# GPS TechTracker Pro vs TLAR

The clearest difference is in-app purchases: GPS TechTracker Pro at none against TLAR's 2. TLAR's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TLAR sells 2 in-app purchases, starting at $1.99 per month. GPS TechTracker Pro asks for nothing beyond the download.

GPS TechTracker Pro ships an update every 7 months, TLAR every 3 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | GPS TechTracker Pro | TLAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/tlar/id1558908342/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 109 MB | 220 MB |
| Requires iOS | 15.0 | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GPS California SA de CV](https://appshunter.io/developer/1458690816) | [Owyhee Aviation, LLC](https://appshunter.io/developer/1558908344) |

## What reviewers say

### GPS TechTracker Pro

[App page](https://appshunter.io/ios/app/gps-techtracker-pro/id1464490146)

**Features:** macOS Compatibility

**In-app purchases:** none


### TLAR

[App page](https://appshunter.io/ios/app/tlar/id1558908342)

This app calculates aircraft performance for general aviation pilots, including takeoff, climb, cruise, and landing. It offers basic calculations for pre-loaded aircraft in the free version, with advanced real-time, dynamic performance metrics and emergency glide functionality in its subscription tiers.

**Highlights:** Aircraft performance calculations, Real-time dynamic recalculations, Emergency glide functionality, Heads-up display mode, Global airfield database, Customizable safety margins

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro | $1.99 | per month |
| expert | $3.99 | per month |


## Frequently asked questions

### Is GPS TechTracker Pro free?

GPS TechTracker Pro is free to download, with no in-app purchases.

### Is TLAR free?

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

### Do GPS TechTracker Pro or TLAR have ads?

Neither GPS TechTracker Pro nor TLAR shows ads.

### Which is updated more often, GPS TechTracker Pro or TLAR?

GPS TechTracker Pro ships an update every 7 months, and TLAR every 3 weeks. Most recently, GPS TechTracker Pro was updated on September 24, 2026 and TLAR on September 10, 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.*