# PA28 Performance vs Ubki

The clearest difference is ads: Ubki at none against PA28 Performance's shown. Ubki also leads on update cadence (monthly vs every 2 months) and iOS requirement (10.2 vs 16.0). On price, 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.

PA28 Performance ships an update every 2 months, Ubki monthly. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PA28 Performance | Ubki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/pa28-performance/id1541462246/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 51 MB |
| Requires iOS | 16.0 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POH Performance L.L.C.](https://appshunter.io/developer/641403529) | [Jean Zeren](https://appshunter.io/developer/1599682022) |

## What reviewers say

### PA28 Performance

[App page](https://appshunter.io/ios/app/pa28-performance/id1541462246)

This app calculates essential performance data for Piper PA-28 aircraft flight planning. It covers takeoff, landing, climb, cruise, descent, and emergency procedures, along with an interactive hold calculator and risk analysis tool. Cloud sync ensures your flight plans are accessible across all your devices.

**Highlights:** Flight performance calculations, Takeoff, landing, climb, cruise, descent, Emergency procedures, Interactive hold calculator, Risk analysis tool, Emergency glide distance calculator, Cloud sync across devices

**Features:** macOS Compatibility

**In-app purchases:** none


### Ubki

[App page](https://appshunter.io/ios/app/ubki/id1599682020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PA28 Performance free?

PA28 Performance is free to download, with no in-app purchases.

### Is Ubki free?

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

### Do PA28 Performance or Ubki have ads?

PA28 Performance shows ads; Ubki does not.

### Which is updated more often, PA28 Performance or Ubki?

PA28 Performance ships an update every 2 months, and Ubki monthly. Most recently, PA28 Performance was updated on September 19, 2026 and Ubki on September 17, 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.*