# FlightGauge vs Part 117

The clearest difference is price: FlightGauge at Free against Part 117's $4.99. FlightGauge also leads on iOS requirement (15.0 vs 18.0). Part 117's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 3 weeks). On ads and device support there is nothing between them.

FlightGauge is free to download; Part 117 costs $4.99 up front. FlightGauge sells 1 in-app purchase, starting at $8.99 per month. Part 117 asks for nothing beyond the download.

FlightGauge ships an update every 3 weeks, Part 117 daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FlightGauge | Part 117 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.3 (10 ratings)](https://appshunter.io/ios/app/flightgauge/id1576376538/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Freemium | — |
| Best chart rank | — | **#187** |
| Size | 146 MB | 24 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NimboSys LLC](https://appshunter.io/developer/1530749865) | [Perry Tanner](https://appshunter.io/developer/6780700925) |

## What reviewers say

### FlightGauge

[App page](https://appshunter.io/ios/app/flightgauge/id1576376538)

This app offers commercial pilots an automated flight logging experience using proprietary LogByWire technology. It simplifies record-keeping with precise calculations for flight times, day/night durations, and instrument approaches. Customize your logbook with features like unlimited storage, multi-device sync, smart filtering, and goal tracking.

**Highlights:** Automatic flight logging via LogByWire, Precise calculation of flight times, Unlimited data storage and multi-device sync, Instrument time and day/night estimation, Smart filtering and goal tracking, FAA and EASA compliant PDF export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $8.99 | per month |


### Part 117

[App page](https://appshunter.io/ios/app/part-117-fdp-tracker-and-guide/id6780700923)

**Currently charting:** #187 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlightGauge free?

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

### Is Part 117 free?

Part 117 costs $4.99, with no in-app purchases.

### Do FlightGauge or Part 117 have ads?

Neither FlightGauge nor Part 117 shows ads.

### Which is updated more often, FlightGauge or Part 117?

FlightGauge ships an update every 3 weeks, and Part 117 daily. Most recently, FlightGauge was updated on November 3, 2026 and Part 117 on October 31, 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.*