# C vs Koitomo

The clearest difference is in-app purchases: C at none against Koitomo's 6. C also leads on iOS requirement (9.0 vs 15.1). Koitomo's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Koitomo sells 6 in-app purchases, starting at $5.99 per 7 days. C asks for nothing beyond the download.

C ships an update fortnightly, Koitomo every 3 weeks. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | C | Koitomo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/koitomo/id6761126672/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 284 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Masamichi Kurokawa](https://appshunter.io/developer/1574079866) | [MACHINE CONCORD EOOD](https://appshunter.io/developer/1895002644) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-roulette/id1618122791)

**Features:** macOS Compatibility

**In-app purchases:** none


### Koitomo

[App page](https://appshunter.io/ios/app/koitomo/id6761126672)

Engage with expressive 3D characters that react, chat, and accompany you. Enjoy lighthearted AI conversations, playful interactions, and customizable companions with lively animations and cheerful moods.

**Highlights:** Expressive 3D characters, Friendly, interactive chat, Voice & real-time video calls, Emotions, actions & unique reactions, Customization: Hair, outfits, accessories

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Monthly | $11.99 | per month |
| 6 Months | $49.99 | per 6 months |
| Small Pack | $14.99 | one-time |
| Medium Pack | $29.99 | one-time |
| Large Pack | $34.99 | one-time |


## Frequently asked questions

### Is C free?

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

### Is Koitomo free?

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

### Do C or Koitomo have ads?

C shows ads; Koitomo does not.

### Which is updated more often, C or Koitomo?

C ships an update fortnightly, and Koitomo every 3 weeks. Most recently, C was updated on June 5, 2026 and Koitomo on September 8, 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.*