# Buff Buddha vs BuiltDiff

The clearest difference is in-app purchases: BuiltDiff at none against Buff Buddha's 3. BuiltDiff also leads on update cadence (every 2 weeks vs every 6 weeks) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Buff Buddha sells 3 in-app purchases, starting at $4.99 per month. BuiltDiff asks for nothing beyond the download.

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

Buff Buddha ships an update every 6 weeks, BuiltDiff every 2 weeks. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Buff Buddha | BuiltDiff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/buff-buddha-gym-tracker-1rm/id1621616843/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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Freemium | **Free** |
| Size | 6 MB | 3 MB |
| Requires iOS | 18 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tayson Nguyen](https://appshunter.io/developer/601885498) | [Timmy Nguyen](https://appshunter.io/developer/1679678398) |

## What reviewers say

### Buff Buddha

[App page](https://appshunter.io/ios/app/buff-buddha-gym-tracker-1rm/id1621616843)

This app helps you track your gym workouts, log your progress, and create custom routines. Visualize your achievements with exercise charts and manage your fitness journey with ease.

**Highlights:** Log workouts and history, Track personal records, Create custom workout plans, Hundreds of exercises, Exercise progress charts, Live workout activity on lock screen, iCloud sync

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buff Buddha Pro | $4.99 | per month |
| Buff Buddha Pro | $4.99 | per 7 days |
| Buff Buddha Pro | $29.99 | per year |


### 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 Buff Buddha free?

Buff Buddha is free to download, with in-app purchases available.

### Is BuiltDiff free?

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

### Which has better reviews, Buff Buddha or BuiltDiff?

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

### Do Buff Buddha or BuiltDiff have ads?

Neither Buff Buddha nor BuiltDiff shows ads.

### Which is updated more often, Buff Buddha or BuiltDiff?

Buff Buddha ships an update every 6 weeks, and BuiltDiff every 2 weeks. Most recently, Buff Buddha was updated on September 9, 2026 and BuiltDiff on June 11, 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.*