# Body Hack vs BuiltDiff

The clearest difference is update cadence: BuiltDiff at every 2 weeks against Body Hack's every 2 months. BuiltDiff also leads on iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Body Hack against 5.0 for BuiltDiff. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Body Hack ships an update every 2 months, BuiltDiff every 2 weeks. The most recent releases landed on October 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Body Hack | BuiltDiff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/body-hack/id1493355568/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/builtdiff/id6478643263/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [David Chambers](https://appshunter.io/developer/1493355567) | [Timmy Nguyen](https://appshunter.io/developer/1679678398) |

## What reviewers say

### Body Hack

[App page](https://appshunter.io/ios/app/body-hack/id1493355568)

Easily monitor your fitness journey and stay motivated with this app. It helps you track your progress and maintain accountability during every exercise session.

**Highlights:** Workout progress tracking, Accountability features, Fitness motivation, Exercise session monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### BuiltDiff

[App page](https://appshunter.io/ios/app/builtdiff/id6478643263)

Log your weightlifting sets and reps with a clean, distraction-free interface. Visualize your progress with charts and personalize the app's appearance. Enjoy offline functionality and a sign-up-free experience for efficient workouts.

**Highlights:** Log lifts, sets, and reps, Create custom workout routines, Offline functionality, Sign-up-free experience, Visualize progress with charts, Personalize app appearance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Body Hack free?

Body Hack is free to download, with no in-app purchases.

### Is BuiltDiff free?

BuiltDiff is free to download, with no in-app purchases.

### Which has better reviews, Body Hack or BuiltDiff?

Body Hack and BuiltDiff are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Body Hack or BuiltDiff have ads?

Neither Body Hack nor BuiltDiff shows ads.

### Which is updated more often, Body Hack or BuiltDiff?

Body Hack ships an update every 2 months, and BuiltDiff every 2 weeks. Most recently, Body Hack was updated on October 3, 2026 and BuiltDiff on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*