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App Imp

Fitness studio booking apps.

Billing runs in 6 of the 10 apps here — nobody on this shelf has fixed it.

10 apps · 1,045 reviews held · 127 negative · 2026-08-24 snapshot

34/100 opportunity

5 of 6 factors · not advice
Nobody's fixed it6 of 10 apps60
How far above typical26.8% vs 32.1% typical20
How angryno deep report yet—
People in the market114,672 ratings35
Room to enterleader holds 77% of ratings23
Willingness to pay1 of 8 checked charge · $2.99 entry13
How this is scored

Weighted mean of the sub-scores, weights re-normalized over whatever is computable (nobody's fixed it 25 · how far above typical 20 · how angry 15 · people in the market 15 · room to enter 15 · willingness to pay 10). Fixed anchors map each count to 0–100: breadth and willingness-to-pay are straight shares; the gap’s heat tops out at 4times the store’s typical rate; anger scores star3 as 0 and star1.5 as 100; reach runs 104 to 107ratings on a log scale; room to enter is one minus the leader’s share of shelf ratings. A factor that cannot be counted is dropped and named — never imputed. The site’s one composite (#115, owner decision 2026-08-15); cited industry benchmarks are never blended in.

One gap.

01

Billing — unfixed in 6 of 10 apps

26.8% of this shelf’s 127 negative reviews, against 32.1% typical store-wide.

What they said · 34 reviews
“Apple Watch Bugged Forever — The app is pretty good overall for tracking fitness progress. I only use the free version because it has not proved itself to be consistent nor reliable when it comes to my Apple Watch syncing with my phone. Every time I use my watch to progress the current exercise or change the weight or reps, it jumps to the next exercise. That, in turn, forces me to take my phone o”Hevy - Workout Tracker Gym Log · 3star · Aug 21, 2026
“Limited rep set to 150reps. — No longer recommend this app. Used to be good until they decided to limit your workouts to make more money. Dumping this app as of today.”Hevy - Workout Tracker Gym Log · 1star · Aug 15, 2026
“Wasted my time — Spent an hour putting in workout routines for 4 days and when I went to create the 5th routine for day 5 I get the paywall message that a 5th day is only available with pro. Waste of time.”Hevy - Workout Tracker Gym Log · 1star · Aug 14, 2026
How it compares
this shelf
26.8%
34 of 127
store-wide
32.1%
typical
breadth
60%
6 of 10 apps

Is there a market for a new fitness studio booking app?

10 apps compete on this shelf, holding 1,045 App Store reviews — and the widest unfixed complaint, billing, runs in 6 of 10 of them at 26.8% of negative reviews against 32.1% typical. Those are counts, not a verdict — the page shows what is unfixed, not whether to build.

What do users complain about most in fitness studio booking apps?

1. Billing — in 6 of 10 apps, 26.8% of negative reviews.

How many fitness studio booking app reviews did App Imp count?

1,045 US App Store reviews across 10 apps, 127 of them negative — counted on the 2026-08-24 snapshot, never estimated.

Who’s in it

All 10 apps counted on this shelf · 2026-08-24.

App
Hevy - Workout Tracker Gym Log88,05213%
StretchLab - Live Long10,76027%
barre3: Studio Fitness Class7,931—
Walla App4,45321%
Yonder Yoga1,450—
Studio Three: Official App1,23350%
Stride Spin & Fitness522100%
Glofox25834%
EVERSPORTS Book & Find Sports11—
STUDIOMATE: Workout Booking2—

Each cell: that app’s share of its own negative reviews. Bold from 1.15 times the store’s typical rate for that complaint, and only where an app holds 20+ negative reviews. Click a column to sort.

What they charge, and what it costs them

Prices from Apple’s public pages; the share counts payment-mechanics language only.

AppMoney complaints
Hevy - Workout Tracker Gym Log$2.99–$74.99 · 4 tiers0% of 15

Browse the apps behind these counts

Every app we count, with the complaint it runs furthest above the store’s typical rate.

Open the app library
How this is counted

Every number is arithmetic over the reviews we hold, re-counted weekly — nothing modelled, nothing scored. Themes come from a frozen pattern classifier rather than a model reading reviews, so the same review always lands in the same bucket. A shelf rate is pooled across every app here; the store rate is the same count across 12,122 apps. A complaint is only called a gap when at least half the shelf carries it and at least 20 reviews are behind it — a problem concentrated in one app is that app’s bug. This shelf has no full report yet, so the per-app notes and the anger axis are absent rather than estimated.