# 時間計算機 vs Auto AR

The clearest difference is ads: Auto AR at none against 時間計算機's shown. Auto AR also leads on iOS requirement (14.0 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.

時間計算機 ships an update every 10 months, Auto AR every 14 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 時間計算機 | Auto AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 months** | Every 14 months |
| Size | 8 MB | 160 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sheng-Hsiung Tsai](https://appshunter.io/developer/1456133749) | [ARTRICE DIGITAL ARTS TECHNOLOGY LTD.](https://appshunter.io/developer/1410296793) |

## What reviewers say

### 時間計算機

[App page](https://appshunter.io/ios/app/id1458273573)

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

**In-app purchases:** none


### Auto AR

[App page](https://appshunter.io/ios/app/auto-ar/id1463545949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 時間計算機 free?

時間計算機 is free to download, with no in-app purchases.

### Is Auto AR free?

Auto AR is free to download, with no in-app purchases.

### Do 時間計算機 or Auto AR have ads?

時間計算機 shows ads; Auto AR does not.

### Which is updated more often, 時間計算機 or Auto AR?

時間計算機 ships an update every 10 months, and Auto AR every 14 months. Most recently, 時間計算機 was updated on October 14, 2026 and Auto AR on October 4, 2026.

---

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