# TBM Performance vs TruAirspeed

The clearest difference is rating: TBM Performance at 5.0 against TruAirspeed's 4.1. TBM Performance also leads on update cadence (every 2 months vs every 24 months) and review sentiment (88% vs 71%). TruAirspeed's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, 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.

TBM Performance holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 14 and 8 respectively. Written reviews point the same way: 88% of TBM Performance's written reviews are positive against 71% of TruAirspeed's.

TBM Performance ships an update every 2 months, TruAirspeed every 24 months. The most recent releases landed on July 23, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | TBM Performance | TruAirspeed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/tbm-performance/id641403446/reviews)** | [4.1 (8 ratings)](https://appshunter.io/ios/app/truairspeed/id855269892/reviews) |
| Number of ratings | **14** | 8 |
| Positive reviews | **87.5% of reviews** | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 24 months |
| Monetization | Ad-supported | **Free** |
| Size | 20 MB | 8 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POH Performance L.L.C.](https://appshunter.io/developer/641403529) | [James Petty](https://appshunter.io/developer/603661046) |

## What reviewers say

### TBM Performance

[App page](https://appshunter.io/ios/app/tbm-performance/id641403446)

This app calculates essential flight performance data for Daher TBM aircraft, covering takeoff, landing, climb, cruise, and emergency procedures. It includes tools like a glide distance calculator, circuit breaker finder, and risk analysis.

**Highlights:** Flight performance calculations, Takeoff and landing data, Climb and cruise performance, Emergency procedures, Glide distance calculator, Circuit breaker finder, Risk analysis tool

**Features:** macOS Compatibility

**In-app purchases:** none


### TruAirspeed

[App page](https://appshunter.io/ios/app/truairspeed/id855269892)

This utility calculates true airspeed, pressure altitude, density altitude, and Mach number. It accounts for compressibility effects and offers unit choices and keypad styles. Users can also input a correction factor for their airspeed indicator.

**Highlights:** True airspeed calculation, Pressure and density altitude calculation, Mach number calculation, Compressibility effects accounted for, Choice of input/result units, Calculator or telephone keypad options, Airspeed indicator correction factor

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TBM Performance free?

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

### Is TruAirspeed free?

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

### Which has better reviews, TBM Performance or TruAirspeed?

TBM Performance is rated higher. TBM Performance averages 5.0 out of 5 from 14 ratings, while TruAirspeed averages 4.1 from 8 ratings.

### Do TBM Performance or TruAirspeed have ads?

TBM Performance shows ads; TruAirspeed does not.

### Which is updated more often, TBM Performance or TruAirspeed?

TBM Performance ships an update every 2 months, and TruAirspeed every 24 months. Most recently, TBM Performance was updated on July 23, 2026 and TruAirspeed on June 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.*