# Decide by Message vs Chum

The clearest difference is ads: Chum at none against Decide by Message's shown. Decide by Message's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (16.6 vs 18.5). On price, 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.

Decide by Message ships an update every 10 days, Chum every 2 months. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Decide by Message | Chum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 4 MB | 20 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kana Uchida](https://appshunter.io/developer/1819475901) | [Kota Sakurai](https://appshunter.io/developer/1523595704) |

## What reviewers say

### Decide by Message

[App page](https://appshunter.io/ios/app/decide-by-message/id6747507111)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chum

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Decide by Message free?

Decide by Message is free to download, with no in-app purchases.

### Is Chum free?

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

### Do Decide by Message or Chum have ads?

Decide by Message shows ads; Chum does not.

### Which is updated more often, Decide by Message or Chum?

Decide by Message ships an update every 10 days, and Chum every 2 months. Most recently, Decide by Message was updated on October 3, 2026 and Chum on October 12, 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.*