# Digital Simple Clock vs スマート温湿度計

The clearest difference is in-app purchases: スマート温湿度計 at none against Digital Simple Clock's 1. スマート温湿度計 also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). Digital Simple Clock's advantage is update cadence (every 3 days vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Digital Simple Clock sells 1 one-off in-app purchase. スマート温湿度計 asks for nothing beyond the download.

Digital Simple Clock ships an update every 3 days, スマート温湿度計 every 6 months. The most recent releases landed on September 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Digital Simple Clock | スマート温湿度計 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 months |
| Size | 76 MB | 34 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Hama](https://appshunter.io/developer/1534557976) | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) |

## What reviewers say

### Digital Simple Clock

[App page](https://appshunter.io/ios/app/digital-simple-clock/id1534560717)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アプリ内課金 | $1.99 | one-time |


### スマート温湿度計

[App page](https://appshunter.io/ios/app/id6443804289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Digital Simple Clock free?

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

### Is スマート温湿度計 free?

スマート温湿度計 is free to download, with no in-app purchases.

### Do Digital Simple Clock or スマート温湿度計 have ads?

Digital Simple Clock shows ads; スマート温湿度計 does not.

### Which is updated more often, Digital Simple Clock or スマート温湿度計?

Digital Simple Clock ships an update every 3 days, and スマート温湿度計 every 6 months. Most recently, Digital Simple Clock was updated on September 15, 2026 and スマート温湿度計 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.*