# TLAR vs Stadia Altimeter

The clearest difference is in-app purchases: Stadia Altimeter at none against TLAR's 2. Stadia Altimeter also leads on iOS requirement (11.0 vs 15). TLAR's advantage is update cadence (every 3 weeks vs every 9 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for TLAR against 5.0 for Stadia Altimeter. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

TLAR ships an update every 3 weeks, Stadia Altimeter every 9 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | TLAR | Stadia Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/tlar/id1558908342/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/stadia-altimeter/id1578419686/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 230 MB | 20 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Owyhee Aviation, LLC](https://appshunter.io/developer/1558908344) | [Skeeter Enterprises LLC](https://appshunter.io/developer/1578419688) |

## What reviewers say

### 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 |


### Stadia Altimeter

[App page](https://appshunter.io/ios/app/stadia-altimeter/id1578419686)

This application displays your current altitude. It is designed for users who need to track their elevation, especially when engaging in outdoor activities. The app provides a straightforward way to monitor your height above sea level.

**Highlights:** Displays current altitude, Elevation tracking, Outdoor activity support, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TLAR free?

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

### Is Stadia Altimeter free?

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

### Which has better reviews, TLAR or Stadia Altimeter?

TLAR and Stadia Altimeter are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do TLAR or Stadia Altimeter have ads?

Neither TLAR nor Stadia Altimeter shows ads.

### Which is updated more often, TLAR or Stadia Altimeter?

TLAR ships an update every 3 weeks, and Stadia Altimeter every 9 months. Most recently, TLAR was updated on November 3, 2026 and Stadia Altimeter on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*