MeThreeSixty vs Polysthenics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MeThreeSixty
Transform your phone into a 3D body scanner to accurately track your progress. Get detailed body measurements and visualize your changes with a personal 3D avatar. All your data stays private on your device.
- 3D body scanner using smartphone
- 14+ trackable body measurements
- 3D body avatar with comparisons
- Body composition tracking
- FutureMe goal visualization
- On-device privacy
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YOUR BODY JOURNEY. ALL IN ONE PLACE. MeThreeSixty brings your body progress together in one app. Scan your body in 3D, track measurements and body composition, follow your weight and goals, and keep your GLP-1 dose history alongside the changes happening to your body. With a redesigned Home, the tools and information that matter to your journey are easier to access, track, and understand. POWERFUL 3D BODY SCANNING Turn your phone's camera into a powerful 3D body scanner. Two quick poses, front and side, are all it takes. MeThreeSixty creates your personal 3D body avatar, captures 14+ body measurements, and helps you see how your body is changing over time. No tape measure. No expensive equipment. No guesswork. Always free. MORE THAN A WEIGHT TRACKER The scale only tells part of the story. Follow body composition, lean body mass, body fat percentage, and circumference measurements across your waist, hips, chest, arms, and more. Track progress visually and numerically to get a more complete picture of how your body is changing. TRACK YOUR GLP-1 JOURNEY Keep your medication history together with the body data that matters most. Record medications, doses, injection sites, and notes while continuing to follow your weight, measurements, body composition, goals, and 3D body scans. Don't just track the dose. See the bigger picture of your progress. SET GOALS. FOLLOW YOUR PROGRESS. Set goals for the body metrics that matter to you and follow your progress toward them over time. Your redesigned Home brings your goals, latest updates, measurements, scans, and dose tracking together for easier access to your journey. SEE YOUR TRANSFORMATION IN 3D Watch your body evolve with every scan through your personal 3D avatar. Compare scans side-by-side to see how your shape changes over time. With FutureMe, explore a data-powered preview of your aspirational body. And with FutureMe Moment, create an inspiring look at the person you're working toward. BUILT FOR PRIVACY MeThreeSixty never uploads your photos to the cloud. The app scans your silhouette, not your image, so your image stays private and on your device. A SMARTER ALTERNATIVE TO DEXA SCANS Get detailed body composition insights without clinic appointments, high costs, or radiation. Powerful body tracking in your pocket, anytime, anywhere. GO PREMIUM Unlock the full MeThreeSixty experience with Premium, including additional fitness tracking metrics, unlimited scan history, faster processing, and long-term weight tracking trends. KEY FEATURES • 3D body scanning using only your smartphone • 14+ trackable body measurements • Body composition including lean mass, body fat, BMI, and more • GLP-1 dose and medication tracking • Goal setting and progress tracking • 3D body avatar with side-by-side scan comparisons • FutureMe and FutureMe Moment • Weight and measurement trends • Apple Health sync • On-device privacy: photos are never uploaded to the cloud You're more than a number on a scale. See more of your progress and follow more of your journey with MeThreeSixty. Terms of use: https://www.sizestream.com/mobile-app-terms-and-conditions
Polysthenics
Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enjoy the convenience of managing your fitness activities on the go.
- View class schedules
- Sign up for classes
- Access studio location
- Optimize time management
- Convenient mobile access
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Download the Polysthenics App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
Screenshots
Verdict
The clearest difference is review sentiment: Polysthenics at 100% against MeThreeSixty's 27%. Polysthenics also leads on in-app purchases (none vs 7) and rating (5.0 vs 4.7). MeThreeSixty's advantage is ads (none vs shown) and ratings volume (18K vs 1). On price and update cadence 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. MeThreeSixty sells 6 in-app purchases, starting at $1.99 per month. Polysthenics asks for nothing beyond the download.
Polysthenics holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: MeThreeSixty has 18K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 27% of MeThreeSixty's written reviews are positive against 100% of Polysthenics's.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.
| Parameter | MeThreeSixty | Polysthenics |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (18K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 26.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 18K — better | 1 |
| Update frequency | Monthly | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 310 MB | 155 MB |
| Age rating | 17+ | 4+ |
| Developer | Size Stream LLC | Polysthenics LLC |
Customer experience
MeThreeSixty
Polysthenics
Bugs and requests
MeThreeSixty
Reported bugs
3 issues- Scan processing issues
- Compatibility problems with certain devices
- Login/account verification problems
Requested features
3 requests- 360-degree body scan
- Ability to manually correct measurements
- Yearly subscription option
Polysthenics
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MeThreeSixty
- Me360 Monthly$1.991 Month
- Premium Monthly Subscription2 variants$4.991 Month
- Me360 Monthly$4.991 Month
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- Premium Annual Subscription$19.991 Year
- Premium Annual Subscription$29.991 Year
- Premium Annual Subscription$39.991 Year
Polysthenics
No in-app purchases
Questions
Is MeThreeSixty free?
Is Polysthenics free?
Which has better reviews, MeThreeSixty or Polysthenics?
Do MeThreeSixty or Polysthenics have ads?
Which is updated more often, MeThreeSixty or Polysthenics?
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