# C172M vs BZF

The clearest difference is price: BZF at Free against C172M's $13.99. BZF also leads on update cadence (every 2 weeks vs every 7 months) and device support (3 vs 1). C172M's advantage is in-app purchases (none vs 1). On ads and iOS requirement there is nothing between them.

BZF is free to download; C172M costs $13.99 up front. BZF sells 1 one-off in-app purchase. C172M asks for nothing beyond the download.

C172M ships an update every 7 months, BZF every 2 weeks. The most recent releases landed on July 28, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | C172M | BZF |
| --- | --- | --- |
| Price | $13.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/c172m/id596045714/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 27 MB | 34 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gyronimo, LLC](https://appshunter.io/developer/536898885) | [Telmo Dias](https://appshunter.io/developer/524383293) |

## What reviewers say

### C172M

[App page](https://appshunter.io/ios/app/c172m/id596045714)

This app calculates mass, balance, and performance data for the Cessna 172M aircraft using actual Pilot's Operating Handbook values. It helps pilots plan flights quickly by determining optimal cruise altitudes, takeoff and landing distances, climb data, and stall speeds.

**Highlights:** Mass & Balance calculations, Takeoff and Landing performance, Climb data calculation, Optimal cruise altitude determination, Stall speed calculation, Save and load aircraft settings, Email load manifest

**In-app purchases:** none


### BZF

[App page](https://appshunter.io/ios/app/bzf/id6478834646)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $17.99 | one-time |


## Frequently asked questions

### Is C172M free?

C172M costs $13.99, with no in-app purchases.

### Is BZF free?

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

### Do C172M or BZF have ads?

Neither C172M nor BZF shows ads.

### Which is updated more often, C172M or BZF?

C172M ships an update every 7 months, and BZF every 2 weeks. Most recently, C172M was updated on July 28, 2026 and BZF on September 20, 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.*