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Free sample · Finance, from the June 2026 run. Subscribers get every category in every run as it lands, monthly or weekly. See plans →

◇ App Store OpportunitiesJune 2026

Where the next app actually wins.

10 indie-lens app ideas across 1 App Store categories and three storefronts, mined from June’s chart movement and live reviews. Every idea is scored for what a small team can win and monetize. Going head-to-head with a giant is penalized and flagged.

10Scored ideas
1Categories
3Prime · 75+
3Markets
JuneChart window
Score distributionmedian 72 · top 84
40526275100
75+ prime62–74 strong52–61 workable<52 long shot
Top 10 ideas to buildthe best overall bets for an indie dev in June 2026
Verdict
Build
Run cost
Lane
10 / 10 ideas
CategoryFinance
All categories

Finance

10 shown · median 72 · 0 giant-guarded
Entry wall · ratings needed to chartUK takes 14× fewer ratings than US
🇺🇸 US98,765~119.4M inst/mo
🇬🇧 UK7,080~22.6M inst/mo
🇹🇷 TR12,121~13.2M inst/mo
🇺🇸 US United States
193competitors
140.9Minstalled base
0/10indie grossing
Movers5
Testerup: Test & Earn Rewards77 → 33+44
Bilt Rewards85 → 49+36
Albert: Budgeting and Banking69 → 39+30
Varo Bank: Online Banking73 → 44+29
Upstart: Personal Loans + More96 → 67+29
New entrants1
—
Top grossingrating · freshness
1Mileage Tracker by MileIQ4.68★
2Rocket Money - Bills & Budgets4.48★
3TradingView: Track All Markets4.75★
4YNAB4.04★
5Build Credit & Fix It: Dovly4.84★
6Monarch: Budget & Track Money4.89★
Churn · rotated into top-100

8per week, 4w avg

🇬🇧 UK United Kingdom
195competitors
23.7Minstalled base
3/10indie grossing
Movers5
Coinbase: Buy BTC, ETH, SOL64 → 39+25
DriveScore - Save on Insurance56 → 40+16
LemFi93 → 77+16
Revolut — Teen Finance86 → 72+14
Moneybox - Save and Invest32 → 20+12
New entrants1
#30Skipton by invite
Top grossingrating · freshness
1Splitwise4.51★
2TradingView: Track All Markets4.75★
3Mileage Tracker by MileIQ4.68★
4Kraken: Buy Bitcoin & Crypto4.40★
5ClearScore: Check Credit Score4.78★
6YNAB4.04★
Churn · rotated into top-100

7per week, 4w avg

🇹🇷 TR Turkey
196competitors
16.1Minstalled base
4/10indie grossing
Movers5
Odea Mobile Banking74 → 32+42
Hayat Finans91 → 49+42
ZBorsa (Ziraat Yatırım Borsa)87 → 61+26
FUZUL Mobil70 → 47+23
teklifimgelsin: Kredi Hesapla49 → 29+20
New entrants1
—
Top grossingrating · freshness
1Investing.com: Stocks & Shares4.65★
2TradingView: Track All Markets4.75★
3Matriks Mobil IQ: Borsa Döviz4.62★
4ForInvest: Piyasa Analizi4.36★
5Account Book - Money Manager4.73★
6Fintables: Borsa, Hisse ve Fon4.74★
Churn · rotated into top-100

8per week, 4w avg

Three of the four qualifiers this month are TR — for an indie, that concentration is the headline, not a footnote.

TradingView: Track All Markets🇬🇧 UKGrossing #2
46%1–2★ of last 100
46 negatives
Users hurting on 4 themes
mobile bugs — charts/indicators failing to load, daily reinstalls (14, [confidence: high]high
The only way to rectify this is reinstalling the app. Which you have to do multiple times a day.
AI-only support with no human escalation for premium payers (8, [confidence: high]high
Support bot won’t connect me to agent or make a ticket even though I’m on premium.
retroactive plan limits (6, [confidence: high]high
now they want me to upgrade to a higher tier just to keep my watch lists over 100
invasive KYC to view charts [confidence: med].3med
Your opening

ship a mobile-first, fast-loading charting + watchlist app with no retroactive plan limits and reachable human support, aimed at TradingView's steady (0.54) but 46%-angry UK base — you win on reliability and trust, not indicator count.

cross-checked: kept 4, cut 5 (all five "asking for and NOT getting" request items — iPad app, mobile-only layouts, bigger screeners, onboarding helpline, delete confirmation — verified verbatim but each backed by a single review, below the 2-review floor; KYC cluster downgraded to med at 3 supporting reviews)

ForInvest: Piyasa Analizi🇹🇷 TRGrossing #4
52%1–2★ of last 50
26 negatives
Users hurting on 3 themes
updates that delete watchlists and strip data columns (8, — every update wipes the companies I follow) [confidence: high]high
Her güncellemede sayfam’da takip ettiğim şirketler siliniyor
free live data revoked + upsell banners at 549 TL/mo (8, [confidence: high]high
Her şeyi paralı yaptınız, ücretsiz üyelik masal
iPhone overheating/freezing (4, [confidence: med].med
telefonumun aşırı derecede ısınmasına ve kasmasına neden oluyor
Your opening

a lightweight, cool-running BIST market-data app with locally-persisted watchlists and one honest price for live data takes users from a fading leader whose paying customers are publicly announcing their move to Matriks.

growPotential 0.04

cross-checked: kept 3, cut 4 (all four request items — persistent watchlists, single-screen home, affordable real-time data, denser phone layout — verified verbatim but single-review each, below the 2-review floor; overheating cluster downgraded to med at 4 supporting reviews)

BJK SuperApp🇹🇷 TRGrossing #7
50%1–2★ of last 50
25 negatives
Users hurting on 3 themes
paid priority ticketing that collapses at the on-sale minute (13, [confidence: high]high
15 dakikadir karakartal+ ayricaligiyla bilet almak icin bekliyorum, app calismiyor
registration/password/phone-change flows broken for days (8, [confidence: high]high
3 gündür şifre yenileyeceğiz ne nfc çalışıyor ne dilekçe dönüşü yapılıyor
ID-number KYC just to read club news [confidence: med].2med
Your opening

honest caveat — this incumbent is official and captive, so you can't peel its core users; the exploitable wedge is the adjacent tooling its failures create (a reliable Turkish match-ticket drop/queue-status alert app spanning Passo + club apps) while BJK's spiky, event-driven inflow (growPotential 0.99, r2 0.62) keeps generating angry ticket-day cohorts.

cross-checked: kept 3, cut 1 (the lone request item — account recovery for a dead phone number — verified verbatim but single-review, below the 2-review floor)

Gedik Trader🇹🇷 TRGrossing #9
34%1–2★ of last 200
69 negatives
Users hurting on 4 themes
outages during market hours and a delete-and-reinstall routine (15, [confidence: high]high
saatlerce süren kesintiler. Piyasa açıkken akıl alır gibi değil
a 20-years-dated UI missing per-stock % P/L (15, [confidence: high]high
Rezalet bir tasarım 20 yıl öncesine ait
dead price alerts (4, [confidence: med]med
GÜNLERDİR… ALARM UYARI GELMEMEKTEDİR…!
password prompts on every open [confidence: high].5high
Asking for and not getting 2
a % profit/loss column — requested in 7 separate reviews across three years and never shipped [confidence: high]
in-app money transfer [confidence: high]5
Your opening

trading is captive to the brokerage, but the engagement layer isn't — a broker-agnostic BIST portfolio companion with % P/L everywhere and alerts that provably fire peels the daily-use surface off an incumbent whose 0.92 growth band masks a stagnant +13 ratings/mo base and three years of ignored, identical complaints.

cross-checked: kept 6, cut 2 (execution notifications and TradingView-style charts — verified verbatim but single-review each, below the 2-review floor; dead-alerts cluster downgraded to med at 4 supporting reviews)

84/100Prime75 and uptop 10%

SnapExpense — pay-per-scan receipt capture

Crowded🇺🇸 US·Finance

US freelancers and 1099 filers switch to a credit-based receipt→expense app the week they realize their budgeting subscription also gates receipt scanning behind a monthly fee.

Wedges into Scan Receipts & Track Expenses · about a month to build · under $25 a month · sold credits / iap

Wedges into Scan Receipts & Track Expenses in a lane pulling 119.4M installs a month across 190 charted apps. Built solo in about a month for under $25 a month and sold credits / iap, it could plausibly reach 119k–955k installs a month.

119.4M a month
×10 on the first tenth
119k–955k could be yoursdivisions = tenths
The lane
big dot · Scan Receipts & Track Expenses
no giant guards this lane
79/100Prime75 and uptop 20%

QuarterlyQuick — gig estimated-tax estimator

Crowded🇺🇸 US·Finance

self-employed drivers who already track mileage but get blindsided by quarterly 1040-ES payments adopt a tool that turns mileage + income into an estimated-tax number NOW, before the Sept 15 estimated-payment deadline.

Wedges into no charted leader · about a month to build · nothing to run · sold subscription

Wedges into no charted leader in a lane pulling 119.4M installs a month across 190 charted apps. Built solo in about a month for nothing to run and sold subscription, it could plausibly reach 119k–955k installs a month.

119.4M a month
×10 on the first tenth
119k–955k could be yoursdivisions = tenths
The lane
190 apps chart here
no giant guards this lane
75/100Prime75 and uptop 30%

OneVoice Invoicing — one-time invoice maker

Crowded🇬🇧 UK·Finance

UK sole traders pick a one-time-purchase invoice app over the subscription invoice makers now climbing Top Grossing — riding the same proven demand while sidestepping the category-wide subscription squeeze reviewers revolt against.

Wedges into Invoice Maker Simple App 2 go · about a week to build · nothing to run · sold one-time

Wedges into Invoice Maker Simple App 2 go in a lane pulling 21.6M installs a month across 195 charted apps. Built solo in about a week for nothing to run and sold one-time, it could plausibly reach 22k–173k installs a month.

21.6M a month
×10 on the first tenth
22k–173k could be yoursdivisions = tenths
The lane
big dot · Invoice Maker Simple App 2 go
no giant guards this lane
73/100Strong62–74top 40%

FlatMile — one-time mileage tracker for gig drivers

Crowded🇺🇸 US·Finance

DoorDash/Uber drivers revolting over MileIQ's climb to $139/yr switch NOW to a one-time-purchase logger with unlimited auto-tracked drives — they are already naming free exits in their reviews, so the switch intent is explicit, not hypothetical.

Wedges into Mileage Tracker by MileIQ · about a month to build · nothing to run · sold one-time

Wedges into Mileage Tracker by MileIQ in a lane pulling 119.4M installs a month across 190 charted apps. Built solo in about a month for nothing to run and sold one-time, it could plausibly reach 119k–955k installs a month.

119.4M a month
×10 on the first tenth
119k–955k could be yoursdivisions = tenths
The lane
big dot · Mileage Tracker by MileIQ
no giant guards this lane
72/100Strong62–74top 50%

BISTPortföy — broker-agnostic % P/L portfolio companion

Prime bet🇹🇷 TR·Finance

BIST traders stuck on broker apps like Gedik — who begged for a per-position % P/L column in 7 reviews across three years and never got it — adopt a broker-agnostic companion that shows % P/L everywhere and fires alerts that provably work.

Wedges into Gedik Trader · about a month to build · $25–100 a month · sold subscription

Wedges into Gedik Trader in a lane pulling 13.0M installs a month across 195 charted apps. Built solo in about a month for $25–100 a month and sold subscription, it could plausibly reach 65k–261k installs a month.

13.0M a month
×10 on the first tenth
65k–261k could be yoursdivisions = tenths
The lane
big dot · Gedik Trader
no giant guards this lane
67/100Strong62–74top 60%

FairSplit — one-time, multi-currency bill splitter

Crowded🇬🇧 UK·Finance

long-time Splitwise UK users leaving over the 4-expense/day free cap and broken currency conversion switch to a one-time-purchase, multi-currency group-expense splitter with no per-member subscription — built for the group-holiday crowd Splitwise now taxes per head.

Wedges into Splitwise · about a week to build · under $25 a month · sold one-time

Wedges into Splitwise in a lane pulling 21.6M installs a month across 195 charted apps. Built solo in about a week for under $25 a month and sold one-time, it could plausibly reach 22k–173k installs a month.

21.6M a month
×10 on the first tenth
22k–173k could be yoursdivisions = tenths
The lane
big dot · Splitwise
no giant guards this lane
66/100Strong62–74top 70%

KrediNet — no-spam loan & FX calculator

Crowded🇹🇷 TR·Finance

Turks shopping for a loan use teklifimgelsin's "Kredi Hesapla" surge as proof of demand — a clean, ad-supported loan/FX/gold calculator with no lead-gen spam and no data grab wins the privacy-wary who just want the number.

Wedges into teklifimgelsin: Kredi Hesapla · a weekend to build · under $25 a month · sold ad-supported

Wedges into teklifimgelsin: Kredi Hesapla in a lane pulling 13.0M installs a month across 195 charted apps. Built solo in a weekend for under $25 a month and sold ad-supported, it could plausibly reach 13k–104k installs a month.

13.0M a month
×10 on the first tenth
13k–104k could be yoursdivisions = tenths
The lane
big dot · teklifimgelsin: Kredi Hesapla
no giant guards this lane
64/100Strong62–74top 90%

ClearChart — mobile-first watchlist + alerts, no retroactive limits

Crowded🇬🇧 UK·Finance

TradingView's UK mobile users — 46% of recent reviewers at 1–2★ — switch to a fast, mobile-first watchlist + price-alert app that never retro-caps their lists and answers with a human, the moment they hit the next "upgrade to keep your watchlists" wall.

Wedges into TradingView: Track All Markets · a quarter or more to build · $25–100 a month · sold subscription

Wedges into TradingView: Track All Markets in a lane pulling 21.6M installs a month across 195 charted apps. Built solo in a quarter or more for $25–100 a month and sold subscription, it could plausibly reach 22k–173k installs a month.

21.6M a month
×10 on the first tenth
22k–173k could be yoursdivisions = tenths
The lane
big dot · TradingView: Track All Markets
no giant guards this lane
64/100Strong62–74top 90%

HızlıBorsa — lightweight BIST quotes app

Solid🇹🇷 TR·Finance

TR retail investors on ForInvest — 52% of recent reviewers at 1–2★, publicly announcing "ay sonu matrikse geçiyorum" (moving to Matriks at month's end) — switch to a cool-running BIST quotes app with locally-saved watchlists and one honest lira price for live data.

Wedges into ForInvest: Piyasa Analizi · about a month to build · $25–100 a month · sold subscription

Wedges into ForInvest: Piyasa Analizi in a lane pulling 13.0M installs a month across 195 charted apps. Built solo in about a month for $25–100 a month and sold subscription, it could plausibly reach 65k–261k installs a month.

13.0M a month
×10 on the first tenth
65k–261k could be yoursdivisions = tenths
The lane
big dot · ForInvest: Piyasa Analizi
no giant guards this lane
61/100Workable52–61top 100%

CepBütçe — modern lira money manager

Crowded🇹🇷 TR·Finance

Turkish households budgeting against inflation drop the stale Account Book money-manager (no update in 289 days, 33 unmet feature requests) for a modern, actively-maintained lira budgeting app.

Wedges into Account Book - Money Manager · about a week to build · nothing to run · sold ads + iap

Wedges into Account Book - Money Manager in a lane pulling 13.0M installs a month across 195 charted apps. Built solo in about a week for nothing to run and sold ads + iap, it could plausibly reach 13k–104k installs a month.

13.0M a month
×10 on the first tenth
13k–104k could be yoursdivisions = tenths
The lane
big dot · Account Book - Money Manager
no giant guards this lane
Tiers75 and up62–7452–61under 52How scoring works →
Verdict
Quick winhigh score, easy buildPrime betstrong opportunitySolidmid, workableCrowdedjammed / giant guards itLong shotweak