# ACHIVO vs Grass

The clearest difference is update cadence: Grass at every 9 days against ACHIVO's every 6 months. ACHIVO's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, ads 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.

ACHIVO ships an update every 6 months, Grass every 9 days. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ACHIVO | Grass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 88 MB | 5 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [CoderBot Ltd.](https://appshunter.io/developer/1569587988) | [Paul Kim](https://appshunter.io/developer/1481428821) |

## What reviewers say

### ACHIVO

[App page](https://appshunter.io/ios/app/achivo/id6472813607)

**Features:** macOS Compatibility, Apple Wallet

**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 ACHIVO free?

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

### Is Grass free?

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

### Do ACHIVO or Grass have ads?

Neither ACHIVO nor Grass shows ads.

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

ACHIVO ships an update every 6 months, and Grass every 9 days. Most recently, ACHIVO was updated on October 1, 2026 and Grass on September 25, 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.*