# Silent Flash Timer vs Glow Timer

The clearest difference is ads: Glow Timer at none against Silent Flash Timer's shown. Silent Flash Timer's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Silent Flash Timer sells 4 in-app purchases, starting at $0.99 per month and Glow Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Silent Flash Timer ships an update every 2 weeks, Glow Timer every 6 weeks. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Silent Flash Timer | Glow Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/silent-flash-timer-no-sound/id6449392949/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NEUDESIGNLAB, LLC](https://appshunter.io/developer/1688874872) | [Kazuma Takahashi](https://appshunter.io/developer/1870418340) |

## What reviewers say

### Silent Flash Timer

[App page](https://appshunter.io/ios/app/silent-flash-timer-no-sound/id6449392949)

This app provides a silent timer that uses screen flashes for notifications instead of sound or vibration. It's ideal for focused work, quiet environments like libraries, or for users sensitive to auditory alerts, ensuring time management without disruption.

**Highlights:** Screen flash notifications, No sound or vibration alerts, Ideal for focused work, Suitable for quiet environments, User-friendly interface, Supports time management

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Plan | $0.99 | per month |
| Premium - Yearly | $4.99 | per year |
| Lifetime Ad Removal Discounted | $5.99 | one-time |
| Lifetime Ad Removal | $9.99 | one-time |


### 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 Silent Flash Timer free?

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

### Is Glow Timer free?

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

### Do Silent Flash Timer or Glow Timer have ads?

Silent Flash Timer shows ads; Glow Timer does not.

### Which is updated more often, Silent Flash Timer or Glow Timer?

Silent Flash Timer ships an update every 2 weeks, and Glow Timer every 6 weeks. Most recently, Silent Flash Timer was updated on September 8, 2026 and Glow Timer on September 13, 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.*