# cbta vs SurfaceOps by uAvionix

cbta and SurfaceOps by uAvionix are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

cbta ships an update every 3 weeks, SurfaceOps by uAvionix every 2 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | cbta | SurfaceOps by uAvionix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 52 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Firm 23 Ltd.](https://appshunter.io/developer/1179116410) | [CAVU Consulting LLC](https://appshunter.io/developer/1884389605) |

## What reviewers say

### cbta

[App page](https://appshunter.io/ios/app/cbta/id6447759720)

**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 cbta free?

cbta 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 cbta or SurfaceOps by uAvionix have ads?

Neither cbta nor SurfaceOps by uAvionix shows ads.

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

cbta ships an update every 3 weeks, and SurfaceOps by uAvionix every 2 weeks. Most recently, cbta was updated on October 7, 2026 and SurfaceOps by uAvionix 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.*