# ISRU vs Workhorse Strength

The clearest difference is ads: Workhorse Strength at none against ISRU's shown. Workhorse Strength also leads on rating (5.0 vs 4.6) and monetization model (free vs ad-supported). ISRU's advantage is ratings volume (14 vs 1) and device support (3 vs 1). On price, update cadence and in-app purchases there is nothing between them.

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

Workhorse Strength holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ISRU has 14 ratings behind it against 1, so its average is the more settled of the two.

ISRU ships an update every 6 days, Workhorse Strength weekly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ISRU | Workhorse Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (14 ratings)](https://appshunter.io/ios/app/isru/id6743388136/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/workhorse-strength/id6803937069/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 65.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Ad-supported | **Free** |
| Size | 30 MB | 36 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Tom Sachs Studio](https://appshunter.io/developer/1802562987) | [Nathaniel Green](https://appshunter.io/developer/6803602430) |

## 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


### Workhorse Strength

[App page](https://appshunter.io/ios/app/workhorse-strength/id6803937069)

This training system is designed for experienced lifters to meticulously track their progress through structured 16-week waves. It focuses on controlling variables, measuring work, and advancing one metric at a time with a clear progression model.

**Highlights:** 16-week repeating training waves, 4-week rep-max progression, Customizable workout slots, Support for major lifts and custom exercises, Lifetime PR tracking, Workout history and data logging, Cloud synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is ISRU free?

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

### Is Workhorse Strength free?

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

### Which has better reviews, ISRU or Workhorse Strength?

Workhorse Strength is rated higher. ISRU averages 4.6 out of 5 from 14 ratings, while Workhorse Strength averages 5.0 from 1 ratings.

### Do ISRU or Workhorse Strength have ads?

ISRU shows ads; Workhorse Strength does not.

### Which is updated more often, ISRU or Workhorse Strength?

ISRU ships an update every 6 days, and Workhorse Strength weekly. Most recently, ISRU was updated on October 12, 2026 and Workhorse Strength on October 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.*