# QuietAlert vs Silent Flash Timer

The clearest difference is rating: Silent Flash Timer at 4.4 against QuietAlert's 2.8. Silent Flash Timer also leads on update cadence (every 2 weeks vs every 12 months) and review sentiment (67% vs 44%). QuietAlert's advantage is ads (none vs shown). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. QuietAlert sells 3 one-off in-app purchases and Silent Flash Timer sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Silent Flash Timer holds the better App Store score, 4.4 against 2.8. Both are backed by a comparable volume of ratings — 16 and 9 respectively. Written reviews point the same way: 44% of QuietAlert's written reviews are positive against 67% of Silent Flash Timer's.

QuietAlert ships an update every 12 months, Silent Flash Timer every 2 weeks. The most recent releases landed on July 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | QuietAlert | Silent Flash Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (16 ratings)](https://appshunter.io/ios/app/quietalert/id1030822316/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/silent-flash-timer-no-sound/id6449392949/reviews)** |
| Number of ratings | **16** | 9 |
| Positive reviews | 43.8% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 11 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasushi Sakai](https://appshunter.io/developer/454423149) | [NEUDESIGNLAB, LLC](https://appshunter.io/developer/1688874872) |

## What reviewers say

### QuietAlert

[App page](https://appshunter.io/ios/app/quietalert/id1030822316)

This utility app notifies you of timer completion using LED flashes and vibration, ideal for quiet environments like libraries or trains. It offers customizable vibration frequencies and optional sound alerts, even playing through headphones.

**Highlights:** LED flash and vibration alerts, Customizable vibration frequency, Background operation, Optional beep on completion, Headphone-only sound output, Custom alarm sound support, Widget alarm stop

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Option | $1.99 | one-time |
| Alarm Option | $1.99 | one-time |
| Widget Option | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is QuietAlert free?

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

### Is Silent Flash Timer free?

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

### Which has better reviews, QuietAlert or Silent Flash Timer?

Silent Flash Timer is rated higher. QuietAlert averages 2.8 out of 5 from 16 ratings, while Silent Flash Timer averages 4.4 from 9 ratings.

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

Silent Flash Timer shows ads; QuietAlert does not.

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

QuietAlert ships an update every 12 months, and Silent Flash Timer every 2 weeks. Most recently, QuietAlert was updated on July 18, 2026 and Silent Flash Timer on September 8, 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.*