Comparison

MeThreeSixty vs Reboot66

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 3D body scanner using smartphone
  • 14+ trackable body measurements
  • 3D body avatar with comparisons
  • Body composition tracking
  • FutureMe goal visualization
  • On-device privacy
Read full description

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

About

Reboot66

Easily track your daily fitness activities, including progress photos, weight, and body measurements. Stay motivated by competing with friends and sharing your achievements. This app helps transform your fitness journey with its user-friendly interface.

Highlights
  • Daily activity tracking
  • Progress picture uploads
  • Weight and body measurements
  • Friend competition
  • Motivation reminders
  • Result sharing
Read full description

Transform your fitness journey with our app! Our user-friendly interface makes it easy to enter and track your daily activity, including progress pictures, weight and body measurements. Plus, compete with friends and stay motivated with reminders and easily sharing/bragging about results.

Screenshots

MeThreeSixty4 screens
Reboot664 screens

Verdict

The call

The clearest difference is rating: MeThreeSixty at 4.7 against Reboot66's 1.5. MeThreeSixty also leads on review sentiment (27% vs 0%) and ratings volume (18K vs 2). Reboot66's advantage is in-app purchases (none vs 7) and update cadence (weekly vs monthly). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MeThreeSixty sells 6 in-app purchases, starting at $1.99 per month. Reboot66 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MeThreeSixty holds the better App Store score, 4.7 against 1.5. That said, the two scores are not equally well evidenced: MeThreeSixty has 18K ratings behind it against 2, 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 0% of Reboot66's.

UpkeepUpdate frequency

MeThreeSixty ships an update monthly, Reboot66 weekly. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.

Scorecard8 real differences · 2 level
MeThreeSixty versus Reboot66: the parameters behind the verdict, then further details
ParameterMeThreeSixtyReboot66
PriceFreeFree
Rating4.7 (18K ratings) — better1.5 (2 ratings)
Positive reviews27.0% of reviews — better0.0% of reviews
Number of ratings18K — better2
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size310 MB41 MB
Age rating17+4+
DeveloperSize Stream LLCO2S1, Inc.

Customer experience

MeThreeSixty

All ratings18,414 ratings
Positive93.9%
Neutral2.3%
Negative3.9%
Written reviews393 reviews
Positive27.0%
Neutral9.4%
Negative63.6%

Reboot66

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Reboot66

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

MeThreeSixty

Subscriptions6
  • Me360 Monthly$1.991 Month
  • Premium Monthly Subscription2 variants$4.991 Month
  • Me360 Monthly$4.991 Month
Show 3 more
  • Premium Annual Subscription$19.991 Year
  • Premium Annual Subscription$29.991 Year
  • Premium Annual Subscription$39.991 Year
None

Reboot66

No in-app purchases

Questions

Is MeThreeSixty free?
MeThreeSixty is free to download, with in-app purchases available.
Is Reboot66 free?
Reboot66 is free to download, with no in-app purchases.
Which has better reviews, MeThreeSixty or Reboot66?
MeThreeSixty is rated higher. MeThreeSixty averages 4.7 out of 5 from 18K ratings, while Reboot66 averages 1.5 from 2 ratings.
Do MeThreeSixty or Reboot66 have ads?
Neither MeThreeSixty nor Reboot66 shows ads.
Which is updated more often, MeThreeSixty or Reboot66?
MeThreeSixty ships an update monthly, and Reboot66 weekly. Most recently, MeThreeSixty was updated on October 14, 2026 and Reboot66 on September 27, 2026.

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