# NRST vs TLAR

The clearest difference is monetization model: TLAR at free with in-app purchases against NRST's subscription. TLAR also leads on rating (5.0 vs 4.5) and review sentiment (75% vs 47%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. NRST sells 6 in-app purchases, starting at $0.99 per year and TLAR sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

TLAR holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 47% of NRST's written reviews are positive against 75% of TLAR's.

NRST ships an update every 4 months, TLAR every 3 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | NRST | TLAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/nrst/id828514590/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/tlar/id1558908342/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 46.9% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 50 MB | 220 MB |
| Requires iOS | 17.0 | **15** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toonsy Net](https://appshunter.io/developer/319239704) | [Owyhee Aviation, LLC](https://appshunter.io/developer/1558908344) |

## What reviewers say

### NRST

[App page](https://appshunter.io/ios/app/nrst/id828514590)

This app helps pilots navigate by providing essential airport information, including distance, elevation, and required descent rates. It offers real-time data updates and customizable descent settings for various aircraft types. Worldwide airport coverage is available, with daily database updates.

**Highlights:** Real-time airport data, Customizable descent rate, Worldwide airport coverage, Filter airports by runway, Glide distance calculation, Watch app integration

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Early Adopter Device Subscription | $0.99 | per year |
| Early Adopter Device and Watch Bronze | $1.99 | per year |
| Device Only | $11.99 | per year |
| Device Only | $14.99 | per year |
| Device and Watch | $17.99 | per year |
| Device and Watch | $24.99 | per year |


### 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 NRST free?

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

### Is TLAR free?

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

### Which has better reviews, NRST or TLAR?

TLAR is rated higher. NRST averages 4.5 out of 5 from 8 ratings, while TLAR averages 5.0 from 5 ratings.

### Do NRST or TLAR have ads?

Neither NRST nor TLAR shows ads.

### Which is updated more often, NRST or TLAR?

NRST ships an update every 4 months, and TLAR every 3 weeks. Most recently, NRST was updated on October 14, 2026 and TLAR on October 14, 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.*