# ISRU vs RepWatch Workout

The clearest difference is ads: RepWatch Workout at none against ISRU's shown. ISRU's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

ISRU ships an update every 6 days, RepWatch Workout every 3 days. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ISRU | RepWatch Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/isru/id6743388136/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 65.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [Tom Sachs Studio](https://appshunter.io/developer/1802562987) | [Moonhoen Lee](https://appshunter.io/developer/6780162640) |

## What reviewers say

### ISRU

[App page](https://appshunter.io/ios/app/isru/id6743388136)

Engage in creative and athletic challenges designed to foster personal growth. Track your achievements on a leaderboard and your unique ID card. Embrace excellence through participation and find reward in the process.

**Highlights:** Creative and athletic challenges, Progress tracking, Leaderboard participation, Personal ID card, Focus on excellence through participation

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Exciting challenge
- 💡 Chance to win Mars Yard 3.0

**What reviewers complain about**

- 🐛 Buggy app
- 🐛 Lagging pages
- 🐛 Images deleting during daily logging
- 🐛 Incorrect point tallying
- 🐛 Time zone issues

**Reported bugs**

- Can't submit logs
- Sign up is broken

**Requested features**

- Seamless user experience
- Properly functioning app


### RepWatch Workout

[App page](https://appshunter.io/ios/app/repwatch-workout/id6780162638)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ISRU free?

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

### Is RepWatch Workout free?

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

### Do ISRU or RepWatch Workout have ads?

ISRU shows ads; RepWatch Workout does not.

### Which is updated more often, ISRU or RepWatch Workout?

ISRU ships an update every 6 days, and RepWatch Workout every 3 days. Most recently, ISRU was updated on October 23, 2026 and RepWatch Workout on October 9, 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.*