Fizik AI vs ProgressLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fizik AI
This app uses AI to analyze your physique from a single photo, providing detailed insights into body fat, muscle definition, symmetry, and posture. It offers personalized progress tracking with charts, before-and-after comparisons, and goal-oriented nutrition targets.
- AI physique analysis from photos
- Body fat percentage range estimation
- Muscle definition by group
- Symmetry, posture, and vascularity scores
- Personalized progress notes
- Before & after photo comparisons
- Goal-oriented nutrition targets
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Fizik AI — AI Fitness Analysis Your mirror lies. Your AI doesn't. Fizik AI analyzes your physique from a single progress photo - estimating the kind of data that used to cost hundreds at a lab. Body fat range, muscle definition by group, symmetry, posture, vascularity. All in seconds. AI Check-In Results Include: • Overall physique score (0–100) • Body fat percentage range • Muscle ratings: chest, arms, shoulders, abs, back & legs • Symmetry, posture, vascularity & leanness scores • Written progress notes personalized to you Built to Show You What's Actually Changing: • Before & after photo comparisons • Progress charts across 6 key metrics • Full photo timeline of your journey • Weekly, monthly, 3-month & custom date ranges Made For Your Goals: • Smart onboarding sets your daily calorie & protein targets • Supports fat loss, muscle gain, recomposition & maintenance • Tracks fitness and nutrition consistency over time Your Privacy Is Non-Negotiable: • Photos stored only on your device • Images sent securely for analysis, then immediately discarded • No social features. No sharing. Just you and your data. Subscribe for AI check-ins, full progress history, and detailed comparisons. ---By using Fizik AI, you agree to Apple's Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Google Privacy Policy: https://policies.google.com/privacy
ProgressLens
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Your progress photos should make change obvious, not leave you guessing. But when every photo is taken from a different angle, distance, or pose, it is hard to tell what actually changed. When progress photos are mixed into your gallery, forgotten between check-ins, or buried among thousands of images, looking back becomes frustrating. ProgressLens helps you build a clear visual record of your progress. Capture more consistent check-ins, keep photos and body measurements organized by date, and compare two moments side by side to see changes that are easy to miss day to day and help you stay motivated to continue. SEE THE CHANGE YOU ARE WORKING FOR Take Front, Side, Back, or custom-label progress photos and compare the same view over time. Choose two check-ins and see them side by side, so you can look beyond daily fluctuations and recognize real progress. Share a comparison when you are proud of how far you have come, with friends, on your story, or just for yourself. Whether you are losing weight, building muscle, getting back into fitness, or simply tracking your body over time, ProgressLens gives you a clearer way to see your journey. TAKE PHOTOS YOU CAN ACTUALLY COMPARE Random photos taken weeks apart with different angles and poses do not make progress easy to see. ProgressLens helps you create matching check-ins, so you can compare the same angle, framing, and pose over time. Use the camera alignment grid and previous-photo guide to line up each new check-in with the last one. Instead of guessing whether anything changed, build photos that make the change easier to see. Review the photo, date, time, label, and note before saving. Import existing photos when you need to add a past check-in to your record. STOP LOSING PROGRESS IN YOUR GALLERY Your progress photos should not disappear between screenshots, holidays, food photos, and random camera images. ProgressLens keeps check-ins and measurement sessions together in one visual timeline. Browse your history by date, open photos full-screen, and revisit the context behind each entry whenever you need it. TRACK THE NUMBERS BEHIND THE CHANGE Photos show the visual change. Measurements help explain it. Log bodyweight, waist, chest, shoulders, arms, thighs, and more. Save a full body measurement session or quickly record a single value, such as your daily weight. Review past measurements by date and see simple charts as your history grows. MAKE CHECK-INS FIT YOUR ROUTINE Use the default Front, Side, and Back labels, or create custom labels for the views that matter to you. Add a short note to remember context later, such as training changes, a new routine, a milestone, or anything else worth looking back on. PRIVATE BY DEFAULT Your photos and measurements stay on your device. No account is required. Create a local backup when you want an extra copy or need to move your history to a new phone. ProgressLens is a progress photo tracker, body measurement tracker, and visual record of the work you put in. Capture the check-ins. Keep the history. See the change. Terms of Use: https://progresslens.app/terms-privacy.html#terms Privacy Policy: https://progresslens.app/terms-privacy.html#privacy Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Fizik AI at daily against ProgressLens's every 3 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Fizik AI sells 2 in-app purchases, starting at $4.99 per month and ProgressLens sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Fizik AI ships an update daily, ProgressLens every 3 days. The most recent releases landed on October 12, 2026 and October 26, 2026 respectively.
| Parameter | Fizik AI | ProgressLens |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Daily — better | Every 3 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 12 MB |
| Age rating | 12+ | 4+ |
| Developer | Abhishek Sinha | David Pintaric |
In-app purchases
Fizik AI
- Monthly Premium7 Days trial$4.991 Month
- Yearly Premium7 Days trial$49.991 Year
ProgressLens
- Monthly$3.991 Month
- Yearly$24.991 Year
- ProgressLens Pro Lifetime$9.99









