# Grass vs Chilla

The clearest difference is in-app purchases: Grass at none against Chilla's 3. Chilla's advantage is update cadence (every 2 days vs every 9 days) and iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Chilla sells 3 one-off in-app purchases. Grass asks for nothing beyond the download.

Grass ships an update every 9 days, Chilla every 2 days. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Grass | Chilla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 5 MB | 4 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Kim](https://appshunter.io/developer/1481428821) | [Abu-Bakr Jabbarov](https://appshunter.io/developer/1792470352) |

## What reviewers say

### Grass

[App page](https://appshunter.io/ios/app/grass-visual-focus-timer/id6752250835)

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

**In-app purchases:** none


### Chilla

[App page](https://appshunter.io/ios/app/chilla-40-day-digital-break/id6752356808)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Boost | $0.99 | one-time |
| Rescue Pack | $1.99 | one-time |
| Master Pack | $3.99 | one-time |


## Frequently asked questions

### Is Grass free?

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

### Is Chilla free?

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

### Do Grass or Chilla have ads?

Neither Grass nor Chilla shows ads.

### Which is updated more often, Grass or Chilla?

Grass ships an update every 9 days, and Chilla every 2 days. Most recently, Grass was updated on October 11, 2026 and Chilla on October 18, 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.*