# CastMemo vs MY OSHI

The clearest difference is in-app purchases: CastMemo at none against MY OSHI's 2. MY OSHI's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. MY OSHI sells 2 in-app purchases, starting at $2.99 per month. CastMemo asks for nothing beyond the download.

CastMemo ships an update every 3 days, MY OSHI every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | CastMemo | MY OSHI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 70 MB | 292 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tsuji Yusuke](https://appshunter.io/developer/1889552508) | [SAITO TATSUYUKI](https://appshunter.io/developer/6778642351) |

## What reviewers say

### CastMemo

[App page](https://appshunter.io/ios/app/castmemo-character-tracker/id6768948102)

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

**In-app purchases:** none


### MY OSHI

[App page](https://appshunter.io/ios/app/my-oshi/id6778642349)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超推し活プラン | $2.99 | per month |
| 超推し活プラン（年額） | $29.99 | per year |


## Frequently asked questions

### Is CastMemo free?

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

### Is MY OSHI free?

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

### Do CastMemo or MY OSHI have ads?

CastMemo shows ads; MY OSHI does not.

### Which is updated more often, CastMemo or MY OSHI?

CastMemo ships an update every 3 days, and MY OSHI every 2 days. Most recently, CastMemo was updated on November 5, 2026 and MY OSHI on November 5, 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.*