# To Do Alarm Clock vs Glow Timer

The clearest difference is in-app purchases: To Do Alarm Clock at none against Glow Timer's 1. To Do Alarm Clock also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Glow Timer sells 1 one-off in-app purchase. To Do Alarm Clock asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | To Do Alarm Clock | Glow Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 2 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [凤明 李](https://appshunter.io/developer/1805559726) | [Kazuma Takahashi](https://appshunter.io/developer/1870418340) |

## What reviewers say

### To Do Alarm Clock

[App page](https://appshunter.io/ios/app/to-do-alarm-clock/id6747370582)

**Features:** macOS Compatibility

**In-app purchases:** none


### Glow Timer

[App page](https://appshunter.io/ios/app/glow-timer/id6758038018)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | $3.99 | one-time |


## Frequently asked questions

### Is To Do Alarm Clock free?

To Do Alarm Clock is free to download, with no in-app purchases.

### Is Glow Timer free?

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

### Do To Do Alarm Clock or Glow Timer have ads?

Neither To Do Alarm Clock nor Glow Timer shows ads.

### Which is updated more often, To Do Alarm Clock or Glow Timer?

To Do Alarm Clock ships an update every 6 weeks, and Glow Timer every 6 weeks. Most recently, To Do Alarm Clock was updated on October 11, 2026 and Glow Timer on October 17, 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.*