# Boiled Egg Timer vs Sake Stamp Book

The clearest difference is ads: Sake Stamp Book at none against Boiled Egg Timer's shown. Sake Stamp Book also leads on update cadence (weekly vs every 8 months). Boiled Egg Timer's advantage is iOS requirement (13.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

Boiled Egg Timer ships an update every 8 months, Sake Stamp Book weekly. The most recent releases landed on September 20, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Boiled Egg Timer | Sake Stamp Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Weekly** |
| Size | 26 MB | 19 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Sae Ueno](https://appshunter.io/developer/1598709865) | [RYUSUKE ISHIZAWA](https://appshunter.io/developer/1892546293) |

## What reviewers say

### Boiled Egg Timer

[App page](https://appshunter.io/ios/app/boiled-egg-timer-perfect-egg/id6745495314)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sake Stamp Book

[App page](https://appshunter.io/ios/app/sake-stamp-book/id6763914823)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boiled Egg Timer free?

Boiled Egg Timer is free to download, with no in-app purchases.

### Is Sake Stamp Book free?

Sake Stamp Book is free to download, with no in-app purchases.

### Do Boiled Egg Timer or Sake Stamp Book have ads?

Boiled Egg Timer shows ads; Sake Stamp Book does not.

### Which is updated more often, Boiled Egg Timer or Sake Stamp Book?

Boiled Egg Timer ships an update every 8 months, and Sake Stamp Book weekly. Most recently, Boiled Egg Timer was updated on September 20, 2026 and Sake Stamp Book on May 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.*