# チカハン vs Chum

The clearest difference is ads: Chum at none against チカハン's shown. チカハン's advantage is iOS requirement (15.1 vs 18.5). 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | チカハン | Chum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 55 MB | 20 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [KOHTA SHIOMI](https://appshunter.io/developer/1633664458) | [Kota Sakurai](https://appshunter.io/developer/1523595704) |

## What reviewers say

### チカハン

[App page](https://appshunter.io/ios/app/id1633664456)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chum

[App page](https://appshunter.io/ios/app/chum/id6748934376)

This app helps you organize and cherish memories from fan events. Save photos of your favorite idols, record conversations, and track how many photos you've taken with each. All your precious moments are stored securely on your device.

**Highlights:** Save photos with date, location, and notes, Automatically count photos per idol, Record idol conversations in chat format, Share conversations as a single image, View photos and conversations chronologically, No account registration required

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

**In-app purchases:** none


## Frequently asked questions

### Is チカハン free?

チカハン is free to download, with no in-app purchases.

### Is Chum free?

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

### Do チカハン or Chum have ads?

チカハン shows ads; Chum does not.

### Which is updated more often, チカハン or Chum?

チカハン ships an update every 2 months, and Chum every 2 months. Most recently, チカハン was updated on October 27, 2026 and Chum on October 28, 2026.

---

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