# Great Circle Tool vs TBM Report

The clearest difference is review sentiment: TBM Report at 100% against Great Circle Tool's 33%. TBM Report also leads on price (Free vs $2.99) and rating (5.0 vs 2.6). Great Circle Tool's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (9.3 vs 14.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

TBM Report is free to download; Great Circle Tool costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TBM Report holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 33% of Great Circle Tool's written reviews are positive against 100% of TBM Report's.

Great Circle Tool ships an update every 4 days, TBM Report every 3 weeks. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Great Circle Tool | TBM Report |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/great-circle-tool/id1176844036/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tbm-report/id1568379305/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 11 MB | 5 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Learrocket Productions, LLC](https://appshunter.io/developer/1169376314) | [John Benediktsson](https://appshunter.io/developer/1519144964) |

## What reviewers say

### Great Circle Tool

[App page](https://appshunter.io/ios/app/great-circle-tool/id1176844036)

Calculate the shortest distance between two points on Earth's surface. Ideal for pilots, it estimates flight times based on aircraft speed. A valuable planning utility for aviation professionals.

**Highlights:** Great circle distance calculation, Airport to airport distance, Flight time estimation, Aircraft speed input, Pilot planning tool

**Features:** macOS Compatibility

**In-app purchases:** none


### TBM Report

[App page](https://appshunter.io/ios/app/tbm-report/id1568379305)

Pilots can upload Garmin avionics data files to generate detailed TBM Reports with approach analysis. The app automatically selects recent flights for upload, with options to choose specific flight periods or all flights. Log files can be shared as CSV or ZIP.

**Highlights:** Upload Garmin avionics data, Generate TBM Reports, Detailed approach analysis, Automatic recent flight selection, Customizable flight upload periods, Share log files as CSV or ZIP

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Great Circle Tool free?

Great Circle Tool costs $2.99, with no in-app purchases.

### Is TBM Report free?

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

### Which has better reviews, Great Circle Tool or TBM Report?

TBM Report is rated higher. Great Circle Tool averages 2.6 out of 5 from 5 ratings, while TBM Report averages 5.0 from 3 ratings.

### Do Great Circle Tool or TBM Report have ads?

Neither Great Circle Tool nor TBM Report shows ads.

### Which is updated more often, Great Circle Tool or TBM Report?

Great Circle Tool ships an update every 4 days, and TBM Report every 3 weeks. Most recently, Great Circle Tool was updated on October 7, 2026 and TBM Report on October 30, 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.*