# Chi Mind vs Open notes and reminder

The clearest difference is in-app purchases: Open notes and reminder at none against Chi Mind's 1. Open notes and reminder also leads on update cadence (every 3 weeks vs every 20 months) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Chi Mind sells 1 in-app purchase, starting at $1.99 per 7 days. Open notes and reminder asks for nothing beyond the download.

Chi Mind ships an update every 20 months, Open notes and reminder every 3 weeks. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Chi Mind | Open notes and reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Size | 39 MB | 8 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Buqsr Apps](https://appshunter.io/developer/1451080872) | [Merbin Joe](https://appshunter.io/developer/1281696078) |

## What reviewers say

### Chi Mind

[App page](https://appshunter.io/ios/app/chi-mind/id6444495914)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chi Mind Premium | $1.99 | per 7 days |


### Open notes and reminder

[App page](https://appshunter.io/ios/app/open-notes-and-reminder/id6473381425)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chi Mind free?

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

### Is Open notes and reminder free?

Open notes and reminder is free to download, with no in-app purchases.

### Do Chi Mind or Open notes and reminder have ads?

Neither Chi Mind nor Open notes and reminder shows ads.

### Which is updated more often, Chi Mind or Open notes and reminder?

Chi Mind ships an update every 20 months, and Open notes and reminder every 3 weeks. Most recently, Chi Mind was updated on September 26, 2026 and Open notes and reminder on October 2, 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.*