# コドモドコ vs Boiled Egg Timer

The clearest difference is ads: コドモドコ at none against Boiled Egg Timer's shown. Boiled Egg Timer's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, 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.

コドモドコ ships an update every 4 months, Boiled Egg Timer every 8 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | コドモドコ | Boiled Egg Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 4 MB | 26 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cognitive Research Laboratories, Inc.](https://appshunter.io/developer/324078364) | [Sae Ueno](https://appshunter.io/developer/1598709865) |

## What reviewers say

### コドモドコ

[App page](https://appshunter.io/ios/app/id1137147984)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is コドモドコ free?

コドモドコ is free to download, with no in-app purchases.

### Is Boiled Egg Timer free?

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

### Do コドモドコ or Boiled Egg Timer have ads?

Boiled Egg Timer shows ads; コドモドコ does not.

### Which is updated more often, コドモドコ or Boiled Egg Timer?

コドモドコ ships an update every 4 months, and Boiled Egg Timer every 8 months. Most recently, コドモドコ was updated on October 8, 2026 and Boiled Egg Timer on October 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.*