# SERIA Mobile vs Cahoメモ帳

The clearest difference is in-app purchases: SERIA Mobile at none against Cahoメモ帳's 2. SERIA Mobile also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). Cahoメモ帳's advantage is update cadence (every 5 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Cahoメモ帳 sells 2 in-app purchases, starting at $2.49 per month. SERIA Mobile asks for nothing beyond the download.

SERIA Mobile ships an update every 5 months, Cahoメモ帳 every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SERIA Mobile | Cahoメモ帳 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (45 ratings)](https://appshunter.io/ios/app/caho/id1512924174/reviews)** |
| Number of ratings | — | **45** |
| Positive reviews | — | 82.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 173 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olinqua](https://appshunter.io/developer/1526445637) | [LAN CHEN](https://appshunter.io/developer/1454519178) |

## What reviewers say

### SERIA Mobile

[App page](https://appshunter.io/ios/app/seria-mobile/id1016141292)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cahoメモ帳

[App page](https://appshunter.io/ios/app/caho/id1512924174)

This app allows users to create and organize notes with customizable fonts and backgrounds featuring popular illustrator Caho's artwork. Organize notes into folders, search easily, and personalize the app's design with various themes and icons.

**Highlights:** Customizable note backgrounds with Caho illustrations, Adjustable font size and type for notes, Folder organization for notes, Search functionality for notes, Theme and icon customization, Note list sorting

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan | $2.49 | per month |
| Hide ads | $1.99 | one-time |


## Frequently asked questions

### Is SERIA Mobile free?

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

### Is Cahoメモ帳 free?

Cahoメモ帳 is free to download, with in-app purchases available.

### Do SERIA Mobile or Cahoメモ帳 have ads?

Cahoメモ帳 shows ads; SERIA Mobile does not.

### Which is updated more often, SERIA Mobile or Cahoメモ帳?

SERIA Mobile ships an update every 5 months, and Cahoメモ帳 every 5 weeks. Most recently, SERIA Mobile was updated on November 1, 2026 and Cahoメモ帳 on November 3, 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.*