Know what to build

A people’s app rating, category breakdowns and ready ideas backed by real demand, from 1,079,217 App Store and Google Play reviews.

Meal planning & grocery

Meal planning apps all follow the same loop: a recipe from the web lands in a personal library, from the library it goes on a weekly menu, and the menu becomes a consolidated grocery list in one tap.

160 observations · 8 ideas

Wardrobe & outfits

The digital wardrobe solves one problem: you stand in front of a full closet and have no idea what to wear.

151 observations · 8 ideas

Car maintenance

The market has split into two clusters.

89 observations · 8 ideas

AI image generation

AI image generation is the most polluted niche in the catalog: 43 of 61 apps have inflated ratings, and real text scores for most fall below 3.0.

711 observations · 8 ideas

Password managers

The password manager market has one glaring blind spot: switching phones.

1265 observations · 8 ideas

The pet-care app category (myVCA, PetDesk, Thrive, Digitail, Otto, PetPage) solves scheduling vet visits but fails to retain users between appointments: medical history is capped at two years, vaccination certificate export is unavailable, family sync is broken, and medication reminders silently stop firing after app updates.

188 observations · 8 ideas

Water & hydration

The water tracker niche solves one job reminding someone to drink a glass of water at the right time but none of the 31 apps in the category does it reliably.

224 observations · 8 ideas

Wallpapers & widgets

The wallpapers and widgets market for iPhone is massive in traffic and almost empty on quality.

226 observations · 8 ideas

QR & barcode scanners

iOS has had a built-in QR scanner in the Camera app for years, so a third-party app has exactly one path to survival: do what the camera cannot, and do it honestly.

142 observations · 8 ideas

Mind mapping

Mind mapping is a small niche (XMind 72, SimpleMind 70/68, nobody clears 80) packed with compromises: leaders either draw great maps but handle cross-device transfer poorly, or support real-time collaboration but cripple the mobile client.

141 observations · 8 ideas

Document scanners

In the document scanner niche, winning has nothing to do with capture quality the top apps are all good enough.

270 observations · 8 ideas

AI assistants

In the AI assistant and chatbot space, trust is scarcer than quality.

338 observations · 8 ideas

Intermittent fasting

The intermittent fasting tracker market is technically simple but systemically broken on trust: 23 of 47 apps show signs of rating manipulation, the real ceiling in the top 47 is 74 points (Intermittent Fasting Tracker:), and not one app has crossed 80.

355 observations · 8 ideas

Study flashcards

No app in the flashcard and spaced repetition niche scores above 80 out of 32 rated products.

274 observations · 8 ideas

Translator apps

The mobile translator market is split into two tiers with no bridge between them.

334 observations · 8 ideas

Running trackers

The running tracker market is honest: the top folk-rating score is 78 (None to Run), almost no rating manipulation, and the gap between store average and text average is minimal among leaders.

336 observations · 8 ideas

Voice recorders

The iOS voice recorder and transcription niche is oversaturated, but only a handful of apps can actually be trusted: 15 of 28 apps have inflated ratings, the top real-world score is 65 (Wave AI), and nobody else breaks 62.

228 observations · 8 ideas

Resume builders

The resume builder niche is crowded but nearly empty of products that actually work: the top realScore is 60 out of 100, and 10 of 24 apps have inflated ratings.

166 observations · 8 ideas

Invoice makers

In the small-business invoicing niche, the winner is whoever shortens the gap between work delivered and money in the bank.

215 observations · 8 ideas

Sobriety & quitting

Sobriety and habit-quitting apps are technically simple but psychologically distinct: people return to them not for features but for support.

181 observations · 8 ideas

AI writing assistant apps

87 apps: where AI really helps you write, and where it's a thin ChatGPT wrapper with gamed reviews (36 of 87 inflated).

195 observations · 8 ideas

Journaling & mood apps

95 apps: where writing is easy and the mood trend is visible, and where the streak pushes and privacy leaks.

239 observations · 8 ideas

Focus & productivity timer apps

72 apps: where the timer runs in the background and blocking holds, and where it's a gimmick and gamed.

228 observations · 8 ideas

Habit tracker

100 apps: where a check-in is instant and the reminder arrives, and where the streak shames you into quitting.

445 observations · 10 ideas

Notes

Notes apps: where a thought is written instantly and never lost, and where it lags.

483 observations · 10 ideas

Sleep tracking & sounds apps

94 apps: where sleep tracking is accurate and the sounds lull you, and where the alarm lies and ads pour in.

352 observations · 8 ideas

Recipe & meal-planning apps

77 apps: where a recipe saves from the web and the shopping list builds itself, and where the collection gets lost.

347 observations · 8 ideas

Plant care & identifier apps

58 apps: where watering is reminded smartly and the diagnosis is honest, and where it's gamed and the advice is generic.

239 observations · 8 ideas

Baby tracking apps

61 apps: where the feeding and sleep log taps one-handed at 3am and syncs with your partner, and where data is lost.

281 observations · 8 ideas

Workout & fitness apps

91 apps: where the workout log is fast and progression counts, and where it's gamed and history is lost.

260 observations · 8 ideas

Calendar & tasks

100 apps: where the reminder arrives on time and nothing is lost, and where it stays silent.

507 observations · 10 ideas

Period tracker

Cycle trackers: where the forecast is accurate and data is safe, and where it lies and sells your privacy.

408 observations · 10 ideas

Calorie & nutrition trackers

95 apps: where calorie counting is honest and easy, and where the database lies and lags.

389 observations · 8 ideas

Budget app

100 apps: where you really see and control spending, and where the sync keeps breaking.

418 observations · 10 ideas

Meditation

100 apps: where it truly calms with a warm voice, and where it's hollow.

554 observations · 9 ideas

Astrology

100 apps by real reviews: an honest score and a check on whose star is gamed.

330 observations · 9 ideas

Photo editor

100 apps: where the tools really work, and where they wreck photos and the ads lie.

619 observations · 10 ideas

AI photo

100 apps: where the result really looks like you, and where it's gamed and the ads lie.

463 observations · 8 ideas

Language learning

100 apps: where they really get you talking, and where it's just streaks and a game.

422 observations · 10 ideas

Weather apps

92 apps: where the forecast comes true and the alert arrives on time, and where the radar lies and ads pour in.

345 observations · 8 ideas

Travel planning apps

90 apps: where the itinerary and bookings hold and work offline abroad, and where it's gamed and glitches.

380 observations · 8 ideas

Shopping & ecommerce apps

95 apps: where the item arrives as pictured and returns work, and where it's counterfeit and delivery is faked.

426 observations · 8 ideas

Food delivery apps

94 apps: where the order arrives right and on time, and where it's gamed and support is broken.

364 observations · 8 ideas

Ride-hailing apps

87 apps: where the car arrives on time and drivers are paid fairly, and where it's gamed and the ride falls through.

403 observations · 8 ideas

Dating

100 apps: where the real people are, and where the bots and gamed stars are.

369 observations · 8 ideas

Messaging apps

94 apps: where messages and calls arrive reliably and privately, and where it's gamed and texts vanish.