# ConcurReminder vs PureOpen

The clearest difference is update cadence: PureOpen at every 9 days against ConcurReminder's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ConcurReminder ships an update every 4 weeks, PureOpen every 9 days. Both last shipped on October 10, 2026.

## The numbers

| Metric | ConcurReminder | PureOpen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Size | 26 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Braveyo LLC](https://appshunter.io/developer/1855102831) | [Yechiel Ben David](https://appshunter.io/developer/1863307655) |

## What reviewers say

### ConcurReminder

[App page](https://appshunter.io/ios/app/concurreminder/id6789254014)

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

**In-app purchases:** none


### PureOpen

[App page](https://appshunter.io/ios/app/pureopen-markdown-editor/id6800787472)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ConcurReminder free?

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

### Is PureOpen free?

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

### Do ConcurReminder or PureOpen have ads?

Neither ConcurReminder nor PureOpen shows ads.

### Which is updated more often, ConcurReminder or PureOpen?

ConcurReminder ships an update every 4 weeks, and PureOpen every 9 days. Most recently, ConcurReminder was updated on October 10, 2026 and PureOpen on October 10, 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.*