# Mind Scope Memo vs One

The clearest difference is in-app purchases: One at none against Mind Scope Memo's 2. One also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mind Scope Memo sells 2 in-app purchases, starting at $4.99 per month. One asks for nothing beyond the download.

Mind Scope Memo ships an update every 4 days, One every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mind Scope Memo | One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 19 MB | 20 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takatoshi Ichige](https://appshunter.io/developer/1717609832) | [Yuga Matsumi](https://appshunter.io/developer/1866567850) |

## What reviewers say

### Mind Scope Memo

[App page](https://appshunter.io/ios/app/mind-scope-memo/id6753980489)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan Monthly | $4.99 | per month |
| Premium Plan Annually | $49.99 | per year |


### One

[App page](https://appshunter.io/ios/app/one-line-diary-mood-log/id6757390722)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mind Scope Memo free?

Mind Scope Memo is free to download, with in-app purchases available.

### Is One free?

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

### Do Mind Scope Memo or One have ads?

Neither Mind Scope Memo nor One shows ads.

### Which is updated more often, Mind Scope Memo or One?

Mind Scope Memo ships an update every 4 days, and One every 3 days. Most recently, Mind Scope Memo was updated on October 28, 2026 and One on October 31, 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.*