# TouchGrass vs Solstix

The clearest difference is review sentiment: Solstix at 100% against TouchGrass's 33%. Solstix also leads on rating (5.0 vs 2.1). TouchGrass's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 3 days). On price, ads and device support there is nothing between them.

Both are free to download. Solstix sells 1 one-off in-app purchase. TouchGrass asks for nothing beyond the download.

Solstix holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 14 and 3 respectively. Written reviews point the same way: 33% of TouchGrass's written reviews are positive against 100% of Solstix's.

TouchGrass ships an update daily, Solstix every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | TouchGrass | Solstix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (14 ratings)](https://appshunter.io/ios/app/touchgrass-save-the-earth/id6443834319/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/solstix/id6760157573/reviews)** |
| Number of ratings | **14** | 3 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Ad-supported | **Free** |
| Size | 43 MB | 48 MB |
| Requires iOS | **12.4** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Intonation Studios Inc.](https://appshunter.io/developer/1580615546) | [Hashsecure Technologies LLC](https://appshunter.io/developer/1862994412) |

## What reviewers say

### TouchGrass

[App page](https://appshunter.io/ios/app/touchgrass-save-the-earth/id6443834319)

Encourages users to go outside and take photos of themselves touching grass. For every 10 posts, a tree is planted. Users can only post once daily, promoting social sharing to increase tree planting efforts.

**Highlights:** Post photos of touching grass, Plant a tree for every 10 posts, Daily posting limit, Invite friends to plant more trees, Contribute to saving the Earth

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

**In-app purchases:** none


### Solstix

[App page](https://appshunter.io/ios/app/solstix/id6760157573)

Visualize celestial bodies in stunning 3D with real-time astronomical data. Track space weather, follow NASA missions, and explore planets with live imagery. Perfect for photographers, stargazers, and anyone fascinated by the cosmos.

**Highlights:** 3D celestial bodies with NASA textures, Real-time sun, moon, and planet data, Dynamic horizon with real-time sky colors, Artemis II mission tracker, Space weather alerts, Live Mars rover and SDO imagery, 3D Moon phases with haptic feedback

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Solstix | $2.99 | one-time |


## Frequently asked questions

### Is TouchGrass free?

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

### Is Solstix free?

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

### Which has better reviews, TouchGrass or Solstix?

Solstix is rated higher. TouchGrass averages 2.1 out of 5 from 14 ratings, while Solstix averages 5.0 from 3 ratings.

### Do TouchGrass or Solstix have ads?

Neither TouchGrass nor Solstix shows ads.

### Which is updated more often, TouchGrass or Solstix?

TouchGrass ships an update daily, and Solstix every 3 days. Most recently, TouchGrass was updated on October 24, 2026 and Solstix on October 24, 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.*