# PA28 Performance vs UnitWise

The clearest difference is in-app purchases: PA28 Performance at none against UnitWise's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UnitWise sells 3 in-app purchases, starting at $3.99 per month. PA28 Performance asks for nothing beyond the download.

## The numbers

| Metric | PA28 Performance | UnitWise |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 12 MB | 21 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [POH Performance L.L.C.](https://appshunter.io/developer/641403529) | [RUEBEN ANSOLIWEN AKANKOBATENG](https://appshunter.io/developer/1880083403) |

## 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, Vision Pro support

**In-app purchases:** none


### UnitWise

[App page](https://appshunter.io/ios/app/unitwise-unit-converter/id6761335169)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access monthly | $3.99 | per month |
| All access yearly | $14.99 | per year |
| All access Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is PA28 Performance free?

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

### Is UnitWise free?

UnitWise is free to download, with in-app purchases available.

### Do PA28 Performance or UnitWise have ads?

Neither PA28 Performance nor UnitWise shows ads.

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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.*