# Repstack vs Unit

The clearest difference is in-app purchases: Unit at none against Repstack's 2. Repstack's advantage is update cadence (every 8 days vs every 6 weeks) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Repstack sells 2 in-app purchases, starting at $3.99 per month. Unit asks for nothing beyond the download.

Repstack ships an update every 8 days, Unit every 6 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Repstack | Unit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 6 weeks |
| Size | 41 MB | 5 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Steven LaGuardia](https://appshunter.io/developer/1832396630) | [Efe Eren Can Bakır](https://appshunter.io/developer/6775000312) |

## What reviewers say

### Repstack

[App page](https://appshunter.io/ios/app/repstack-workout-planner/id6757782341)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Repstack Pro (Monthly) | $3.99 | per month |
| Repstack Pro (Yearly) | $23.99 | per year |


### Unit

[App page](https://appshunter.io/ios/app/unit-gym-workout-log/id6775008893)

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

**In-app purchases:** none


## Frequently asked questions

### Is Repstack free?

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

### Is Unit free?

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

### Do Repstack or Unit have ads?

Neither Repstack nor Unit shows ads.

### Which is updated more often, Repstack or Unit?

Repstack ships an update every 8 days, and Unit every 6 weeks. Most recently, Repstack was updated on October 4, 2026 and Unit on October 7, 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.*