# ISRU vs Gromari

The clearest difference is ads: Gromari at none against ISRU's shown. Gromari also leads on review sentiment (100% vs 65%) and monetization model (free vs ad-supported). ISRU's advantage is update cadence (every 6 days vs every 7 months) and ratings volume (14 vs 3). On price, rating 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.

On the App Store both sit at effectively the same score — 4.6 for ISRU against 4.7 for Gromari. Both are backed by a comparable volume of ratings — 14 and 3 respectively. Written reviews are what separate them: 65% of ISRU's written reviews are positive against 100% of Gromari's.

ISRU ships an update every 6 days, Gromari every 7 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ISRU | Gromari |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (14 ratings)](https://appshunter.io/ios/app/isru/id6743388136/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/gromari/id6749023025/reviews)** |
| Number of ratings | **14** | 3 |
| Positive reviews | 65.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 7 months |
| Monetization | Ad-supported | **Free** |
| Size | 30 MB | 768 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Tom Sachs Studio](https://appshunter.io/developer/1802562987) | [Christoph Gromer](https://appshunter.io/developer/1821900102) |

## 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


### Gromari

[App page](https://appshunter.io/ios/app/gromari/id6749023025)

Immerse yourself in a digital art experience designed for mindfulness. Interact with unique artworks, enjoy accompanying soundscapes, and track your mindful moments, syncing them with your health data.

**Highlights:** Curated digital artwork collection, Interactive art experiences, Unique soundscapes and music, Haptic feedback, Mindful time tracking, Apple Health sync

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISRU free?

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

### Is Gromari free?

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

### Which has better reviews, ISRU or Gromari?

Gromari is rated higher. ISRU averages 4.6 out of 5 from 14 ratings, while Gromari averages 4.7 from 3 ratings.

### Do ISRU or Gromari have ads?

ISRU shows ads; Gromari does not.

### Which is updated more often, ISRU or Gromari?

ISRU ships an update every 6 days, and Gromari every 7 months. Most recently, ISRU was updated on October 12, 2026 and Gromari on October 6, 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.*