# SandyNote vs OneOpen

The clearest difference is update cadence: SandyNote at daily against OneOpen's every 9 days. OneOpen's advantage is iOS requirement (17.0 vs 26.2). 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.

SandyNote ships an update daily, OneOpen every 9 days. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SandyNote | OneOpen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 days |
| Size | 1 MB | 21 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Akaji](https://appshunter.io/developer/1886302301) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### SandyNote

[App page](https://appshunter.io/ios/app/sandynote/id6760926320)

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

**In-app purchases:** none


### OneOpen

[App page](https://appshunter.io/ios/app/oneopen-file-viewer/id6792251542)

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

**In-app purchases:** none


## Frequently asked questions

### Is SandyNote free?

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

### Is OneOpen free?

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

### Do SandyNote or OneOpen have ads?

Neither SandyNote nor OneOpen shows ads.

### Which is updated more often, SandyNote or OneOpen?

SandyNote ships an update daily, and OneOpen every 9 days. Most recently, SandyNote was updated on October 4, 2026 and OneOpen on October 13, 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.*