# KAERU vs FolioHub

The clearest difference is ads: FolioHub at none against KAERU's shown. FolioHub also leads on update cadence (every 4 days vs monthly). 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.

KAERU ships an update monthly, FolioHub every 4 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | KAERU | FolioHub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 97 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Densuke Inc.](https://appshunter.io/developer/985950764) | [メタロジカル株式会社](https://appshunter.io/developer/1733406020) |

## What reviewers say

### KAERU

[App page](https://appshunter.io/ios/app/kaeru/id1068741053)

A private and secure chat app designed for two people. It allows for quick messaging with a single tap, eliminating the need for registration or authentication. Easily send important messages to your dearest person.

**Highlights:** Private and secure chat, One-tap message sending, No registration required, No SNS authentication, Designed for two people

**Features:** macOS Compatibility

**In-app purchases:** none


### FolioHub

[App page](https://appshunter.io/ios/app/foliohub/id6755953994)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KAERU free?

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

### Is FolioHub free?

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

### Do KAERU or FolioHub have ads?

KAERU shows ads; FolioHub does not.

### Which is updated more often, KAERU or FolioHub?

KAERU ships an update monthly, and FolioHub every 4 days. Most recently, KAERU was updated on October 7, 2026 and FolioHub on October 16, 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.*