# Useless Notes vs SurfaceOps by uAvionix

The clearest difference is update cadence: Useless Notes at every 5 days against SurfaceOps by uAvionix's every 2 weeks. SurfaceOps by uAvionix's advantage is iOS requirement (15.0 vs 18.6). 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.

Useless Notes ships an update every 5 days, SurfaceOps by uAvionix every 2 weeks. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Useless Notes | SurfaceOps by uAvionix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 55 MB | 5 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Bogdan Stefanovic](https://appshunter.io/developer/1865121001) | [CAVU Consulting LLC](https://appshunter.io/developer/1884389605) |

## What reviewers say

### Useless Notes

[App page](https://appshunter.io/ios/app/useless-notes/id6757185511)

**Features:** macOS Compatibility

**In-app purchases:** none


### SurfaceOps by uAvionix

[App page](https://appshunter.io/ios/app/surfaceops-by-uavionix/id6762227397)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Useless Notes free?

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

### Is SurfaceOps by uAvionix free?

SurfaceOps by uAvionix is free to download, with no in-app purchases.

### Do Useless Notes or SurfaceOps by uAvionix have ads?

Neither Useless Notes nor SurfaceOps by uAvionix shows ads.

### Which is updated more often, Useless Notes or SurfaceOps by uAvionix?

Useless Notes ships an update every 5 days, and SurfaceOps by uAvionix every 2 weeks. Most recently, Useless Notes was updated on October 9, 2026 and SurfaceOps by uAvionix on October 18, 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.*