# ことだまAR vs ウタログ

The clearest difference is ads: ことだまAR at none against ウタログ's shown. ウタログ's advantage is update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

ことだまAR ships an update fortnightly, ウタログ weekly. Both last shipped on September 10, 2026.

## The numbers

| Metric | ことだまAR | ウタログ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 205 MB | 38 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shoma Yamaguchi](https://appshunter.io/developer/1637204246) | [NAOKI WATANABE](https://appshunter.io/developer/1796154972) |

## What reviewers say

### ことだまAR

[App page](https://appshunter.io/ios/app/ar/id1637204244)

**In-app purchases:** none


### ウタログ

[App page](https://appshunter.io/ios/app/id6741908421)

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

**In-app purchases:** none


## Frequently asked questions

### Is ことだまAR free?

ことだまAR is free to download, with no in-app purchases.

### Is ウタログ free?

ウタログ is free to download, with no in-app purchases.

### Do ことだまAR or ウタログ have ads?

ウタログ shows ads; ことだまAR does not.

### Which is updated more often, ことだまAR or ウタログ?

ことだまAR ships an update fortnightly, and ウタログ weekly. Most recently, ことだまAR was updated on September 10, 2026 and ウタログ on September 10, 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.*