# KE.N.ON〜簡単検温管理アプリ〜 vs Simple Timer

The clearest difference is in-app purchases: KE.N.ON〜簡単検温管理アプリ〜 at none against Simple Timer's 1. KE.N.ON〜簡単検温管理アプリ〜 also leads on ads (none vs shown) and device support (3 vs 1). Simple Timer's advantage is update cadence (every 4 days vs every 4 weeks). On price there is nothing between them.

Both are free to download. Simple Timer sells 1 one-off in-app purchase. KE.N.ON〜簡単検温管理アプリ〜 asks for nothing beyond the download.

KE.N.ON〜簡単検温管理アプリ〜 ships an update every 4 weeks, Simple Timer every 4 days. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | KE.N.ON〜簡単検温管理アプリ〜 | Simple Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 8 MB | 51 MB |
| Requires iOS | **12.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BILEI Inc.](https://appshunter.io/developer/955644733) | [Takehiro Asano](https://appshunter.io/developer/1879775755) |

## What reviewers say

### KE.N.ON〜簡単検温管理アプリ〜

[App page](https://appshunter.io/ios/app/kenon/id1512715523)

Easily log daily temperature readings and track changes over time with visual graphs. Receive alerts for elevated temperatures and share your health status with others. Manage multiple profiles for family or colleagues.

**Highlights:** Quick 5-second temperature input, Temperature graph visualization, High temperature alerts (37.5°C+), Customizable 'My Condition' profile, Multi-user profile management, Data sharing for family and colleagues

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Timer

[App page](https://appshunter.io/ios/app/simple-timer-interval-timer/id6759607571)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Timer Pro | $4.99 | one-time |


## Frequently asked questions

### Is KE.N.ON〜簡単検温管理アプリ〜 free?

KE.N.ON〜簡単検温管理アプリ〜 is free to download, with no in-app purchases.

### Is Simple Timer free?

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

### Do KE.N.ON〜簡単検温管理アプリ〜 or Simple Timer have ads?

Simple Timer shows ads; KE.N.ON〜簡単検温管理アプリ〜 does not.

### Which is updated more often, KE.N.ON〜簡単検温管理アプリ〜 or Simple Timer?

KE.N.ON〜簡単検温管理アプリ〜 ships an update every 4 weeks, and Simple Timer every 4 days. Most recently, KE.N.ON〜簡単検温管理アプリ〜 was updated on November 13, 2026 and Simple Timer on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*