The best progress photo apps for iPhone
Six iPhone apps for progress photos, compared by what makes photos comparable, where they’re stored and what you pay.
Short answer
On iPhone, ProgressLens is the pick for matching photos plus an AI Progress Report (body fat from photos and tape, fat vs muscle, bulk or cut) in 11 languages; GainFrame has the most AI extras in English; Progress Body Tracker suits numbers-first users who want Apple Health sync.
Disclosure: we make ProgressLens. Details about other apps come from their own store listings and websites as of November 2026; prices and features change, so check the listing before you pay. We name each app’s weaknesses and our own.
Quick comparison
| App | Matching help | Measurements | Storage | Price |
|---|---|---|---|---|
| ProgressLens | Ghost overlay | 6 + charts, used by the AI | AI Progress Report; no account | $39.99/year |
| GainFrame | Pose matching | Weight; AI body fat | AI analysis; account | Subscription |
| Progress Body Tracker (Lasmit) | — | Many, custom; Apple Health | Device + iCloud | Subscription for photos |
| PhotoJourney (My Body Tracker) | Ghost mode | Yes | Device | In-app purchases |
| Metamorph | Alignment | — | Check listing | Check listing |
| Hevy | — | Weight, waist free | Hevy account | Free + Pro |
The apps
1. ProgressLens
- iPhone, iPad, Android
- AI Progress Report
- Free download, Pro in-app
- 11 languages
- No account
Best for: matching photos plus an AI read in your language.
Progress photos that line up, read by AI: a ghost overlay of your last photo, six measurements with charts, and AI Analyze for body fat, changes, fat vs muscle and a cut or bulk verdict.
Good
- AI Analyze: body-fat range, what changed, fat vs muscle, cut or bulk verdict
- Reads photos and tape measurements together, so estimates stay consistent
- Same app and AI on iPhone and Android, in 11 languages
- No account; photos stay on your phone, analyzed photos aren’t stored or used for training
- Ghost overlay of your last photo, six measurements with charts
Watch out
- No calorie, workout or dose tracking
- No video timelapse export (use our free web tool)
- No Apple Health or Health Connect sync
- No app-specific passcode (use your phone’s lock)
2. GainFrame
- iPhone
- Subscription
Best for: AI analysis on iPhone.
AI body fat, physique scores and a chat coach on top of progress photos.
Good
- Most AI features
- Coach chat
Watch out
- English only
- Subscription
3. Progress Body Tracker (Lasmit)
- iPhone
- Subscription
Best for: numbers-first tracking with Health sync.
Measurement-first tracker with Apple Health sync; photos are a paid feature per its listing.
Good
- Apple Health
- Custom measurements
Watch out
- Photos need Pro
4. PhotoJourney (My Body Tracker)
- iPhone
- In-app purchases
Best for: built-in time-lapses.
Ghost mode, templates and time-lapse export per its listing.
Good
- Time-lapse export
Watch out
- Check what purchases unlock
5. Metamorph
- iPhone
Best for: photo-only tracking.
A focused photo-only progress app for capturing and comparing.
Good
- Simple
Watch out
- No measurements described
6. Hevy
- iPhone, Android
- Free + Pro
Best for: lifters already on Hevy.
A workout log with one progress photo a day and weight and waist tracking.
Good
- One app for workouts
Watch out
- One photo a day, no poses
Which should you pick?
- Matching photos + an AI read of your progress: ProgressLens.
- AI coach chat in English: GainFrame.
- Apple Health and custom measurements: Progress Body Tracker.
FAQ
Frequently asked questions
What is the best progress photo app for iPhone?
ProgressLens if you want matching photos and an AI Progress Report that uses your tape measurements, in 11 languages; GainFrame if you want an AI coach chat and muscle-group scores in English.
Is there a progress photo app that doesn’t save to my iPhone camera roll?
Yes. ProgressLens keeps check-ins in its own private storage, never in Photos or iCloud Photos.
Sources
- App Store and Google Play listings for each app, accessed November 2026
- ProgressLens, What lifters ask about body fat, November 2026