# Grass vs Manifold Timer

The clearest difference is in-app purchases: Grass at none against Manifold Timer's 1. Manifold Timer's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Manifold Timer sells 1 one-off in-app purchase. Grass asks for nothing beyond the download.

Grass ships an update every 9 days, Manifold Timer every 2 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Grass | Manifold Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 5 MB | 24 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Kim](https://appshunter.io/developer/1481428821) | [RICHARD ROYAL HOOPES](https://appshunter.io/developer/1896157881) |

## 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


### Manifold Timer

[App page](https://appshunter.io/ios/app/manifold-timer/id6792230944)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Manifold Pro | $0.99 | one-time |


## Frequently asked questions

### Is Grass free?

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

### Is Manifold Timer free?

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

### Do Grass or Manifold Timer have ads?

Neither Grass nor Manifold Timer shows ads.

### Which is updated more often, Grass or Manifold Timer?

Grass ships an update every 9 days, and Manifold Timer every 2 weeks. Most recently, Grass was updated on October 26, 2026 and Manifold Timer on October 29, 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.*