# DiditoX vs Grass

The clearest difference is ads: Grass at none against DiditoX's shown. Grass also leads on update cadence (every 9 days vs every 3 weeks). DiditoX's advantage is iOS requirement (15.4 vs 18.0). On price, 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.

DiditoX ships an update every 3 weeks, Grass every 9 days. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | DiditoX | Grass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 37 MB | 5 MB |
| Requires iOS | **15.4** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sooji Lee](https://appshunter.io/developer/1714712452) | [Paul Kim](https://appshunter.io/developer/1481428821) |

## What reviewers say

### DiditoX

[App page](https://appshunter.io/ios/app/diditox/id6748024311)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grass

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

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

**In-app purchases:** none


## Frequently asked questions

### Is DiditoX free?

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

### Is Grass free?

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

### Do DiditoX or Grass have ads?

DiditoX shows ads; Grass does not.

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

DiditoX ships an update every 3 weeks, and Grass every 9 days. Most recently, DiditoX was updated on October 13, 2026 and Grass 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.*