# Heft vs Build muscle

The clearest difference is device support: Heft at 3 against Build muscle's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Heft sells 4 in-app purchases, starting at $3.99 per month and Build muscle sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Heft | Build muscle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/heft-workout-strength-tracker/id1638624924/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Freemium | — |
| Size | 148 MB | 68 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Kubasov, Kumbartzky & Vinnbruch GbR](https://appshunter.io/developer/1666645852) | [Gregoire Cambon](https://appshunter.io/developer/1601106525) |

## What reviewers say

### Heft

[App page](https://appshunter.io/ios/app/heft-workout-strength-tracker/id1638624924)

Log your gym workouts and meals in one place. Track sets, progress, calories, and protein. Features AI-powered food logging, custom recipes, and detailed exercise analytics.

**Highlights:** Strength training log, Food diary with AI estimation, Customizable workout plans, Exercise progress tracking, Personalized coaching insights, Apple Watch integration

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heft Premium Monthly | $3.99 | per month |
| Heft Premium 1 Year | $24.99 | per year |
| Heft - One Time Payment | $44.99 | one-time |
| Heft - One Time Payment | $99.99 | one-time |


### Build muscle

[App page](https://appshunter.io/ios/app/build-muscle-vtaper/id6791932019)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BiggerMe Monthly | $9.99 | per month |
| BiggerMe Annual | $49.99 | per year |
| VTaper Pro Yearly — Gift | $49.99 | per year |


## Frequently asked questions

### Is Heft free?

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

### Is Build muscle free?

Build muscle is free to download, with in-app purchases available.

### Do Heft or Build muscle have ads?

Neither Heft nor Build muscle shows ads.

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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.*