# TBM Performance vs ACN/PCN Calculator

The clearest difference is review sentiment: TBM Performance at 88% against ACN/PCN Calculator's 45%. TBM Performance also leads on in-app purchases (none vs 26) and rating (5.0 vs 4.6). ACN/PCN Calculator's advantage is ads (none vs shown) and ratings volume (142 vs 14). On price, update cadence and device support there is nothing between them.

Both are free to download. ACN/PCN Calculator sells 26 one-off in-app purchases. TBM Performance asks for nothing beyond the download.

TBM Performance holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ACN/PCN Calculator has 142 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 88% of TBM Performance's written reviews are positive against 45% of ACN/PCN Calculator's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 23, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | TBM Performance | ACN/PCN Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/tbm-performance/id641403446/reviews)** | [4.6 (142 ratings)](https://appshunter.io/ios/app/acnpcn-calculator/id1049063069/reviews) |
| Number of ratings | 14 | **142** |
| Positive reviews | **87.5% of reviews** | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 20 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [POH Performance L.L.C.](https://appshunter.io/developer/641403529) | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) |

## 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


### ACN/PCN Calculator

[App page](https://appshunter.io/ios/app/acnpcn-calculator/id1049063069)

This app calculates aircraft pavement classification numbers (PCN) and aircraft classification numbers (ACN) to assess airport pavement strength. It helps pilots and aviation professionals ensure safe operations by verifying aircraft weight limitations on runways, taxiways, and aprons.

**Highlights:** ACN/PCN calculation, Pavement strength evaluation, Aircraft weight verification, ICAO ACN/PCN method, Comprehensive aircraft database, User-friendly interface

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

**In-app purchases (26)**

| Purchase | Price | Billing |
| --- | --- | --- |
| G600 (41.7t) | Free | one-time |
| B737 BBJ (77.7t) | $4.99 | one-time |
| G650 (45.3t) | $4.99 | one-time |
| Global 5000 (42.0t) | $4.99 | one-time |
| Global 5000 GVFD (42.0t) | $4.99 | one-time |
| Global 6000 (45.2t) | $4.99 | one-time |
| Global Express (44.5t) | $4.99 | one-time |
| G650ER (47.1t) | $4.99 | one-time |
| G650ER (45.3t) | $4.99 | one-time |
| G650ER (45.1t) | $4.99 | one-time |
| G550 (41.4t) | $4.99 | one-time |
| G450 (33.7t) | $4.99 | one-time |
| G280 (18.0t) | $4.99 | one-time |
| GIV-SP (34.0) | $4.99 | one-time |
| CL300 (17.69t) | $4.99 | one-time |
| Global 7500 (52.2t) | $4.99 | one-time |
| GVII-G600 (43.09t) | $4.99 | one-time |
| Citation XLS+ (9.25t) | $4.99 | one-time |
| GV (41.2t) | $4.99 | one-time |
| FALCON 2000EX (19.27t) | $4.99 | one-time |
| Global 6000 (44.5t) | $4.99 | one-time |
| G700 (48.9t) | $4.99 | one-time |
| GVII-G500 (36.28t) | $4.99 | one-time |
| Global Express (45.2t) | $4.99 | one-time |
| G450 (34.0t) | $4.99 | one-time |
| Global Express XRS (45.2t) | $4.99 | one-time |


## Frequently asked questions

### Is TBM Performance free?

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

### Is ACN/PCN Calculator free?

ACN/PCN Calculator is free to download, with in-app purchases available.

### Which has better reviews, TBM Performance or ACN/PCN Calculator?

TBM Performance is rated higher. TBM Performance averages 5.0 out of 5 from 14 ratings, while ACN/PCN Calculator averages 4.6 from 142 ratings.

### Do TBM Performance or ACN/PCN Calculator have ads?

TBM Performance shows ads; ACN/PCN Calculator does not.

### Which is updated more often, TBM Performance or ACN/PCN Calculator?

TBM Performance ships an update every 2 months, and ACN/PCN Calculator every 2 months. Most recently, TBM Performance was updated on July 23, 2026 and ACN/PCN Calculator on August 13, 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.*