# Hourglass vs 簡単タイマー tomTimer

The clearest difference is ads: 簡単タイマー tomTimer at none against Hourglass's shown. Hourglass's advantage is update cadence (every 4 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hourglass ships an update every 4 days, 簡単タイマー tomTimer every 5 weeks. The most recent releases landed on September 15, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Hourglass | 簡単タイマー tomTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Size | 33 MB | 2 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kenji abe](https://appshunter.io/developer/1461779902) | [Taro Tomura](https://appshunter.io/developer/1243542772) |

## What reviewers say

### Hourglass

[App page](https://appshunter.io/ios/app/hourglass-physics-simulation/id6670490622)

**Features:** macOS Compatibility

**In-app purchases:** none


### 簡単タイマー tomTimer

[App page](https://appshunter.io/ios/app/tomtimer/id6742073796)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hourglass free?

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

### Is 簡単タイマー tomTimer free?

簡単タイマー tomTimer is free to download, with no in-app purchases.

### Do Hourglass or 簡単タイマー tomTimer have ads?

Hourglass shows ads; 簡単タイマー tomTimer does not.

### Which is updated more often, Hourglass or 簡単タイマー tomTimer?

Hourglass ships an update every 4 days, and 簡単タイマー tomTimer every 5 weeks. Most recently, Hourglass was updated on September 15, 2026 and 簡単タイマー tomTimer on September 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.*