# performify vs Piper M&B

The clearest difference is price: performify at Free against Piper M&B's $9.99. Piper M&B's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

performify is free to download; Piper M&B costs $9.99 up front. performify sells 1 in-app purchase, starting at $2.99 per month. Piper M&B asks for nothing beyond the download.

performify ships an update every 2 months, Piper M&B monthly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | performify | Piper M&B |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Paid |
| Size | 95 MB | 23 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pascal Burlet](https://appshunter.io/developer/1493425854) | [Pedro Isidoro](https://appshunter.io/developer/1506809339) |

## What reviewers say

### performify

[App page](https://appshunter.io/ios/app/performify/id1493425855)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AviatorPro | $2.99 | per month |


### Piper M&B

[App page](https://appshunter.io/ios/app/piper-m-and-b/id1543855912)

This app calculates aircraft mass and balance for multiple Piper models, including interactive weight input and real-time chart plotting. It provides loading charts, overweight alerts, and generates professional PDF loadsheets for sharing. It also includes unit conversions for weight, fuel, wind, and temperature.

**Highlights:** Mass and balance calculations for Piper aircraft, Interactive weight input and real-time chart plotting, Loading charts with accurate reading and alerts, PDF loadsheet generation for sharing, Unit conversion for weight, fuel, wind, and temperature, Supports multiple Piper PA28, PA34, and PA44 variants

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is performify free?

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

### Is Piper M&B free?

Piper M&B costs $9.99, with no in-app purchases.

### Do performify or Piper M&B have ads?

Neither performify nor Piper M&B shows ads.

### Which is updated more often, performify or Piper M&B?

performify ships an update every 2 months, and Piper M&B monthly. Most recently, performify was updated on October 4, 2026 and Piper M&B on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*