# TSD Rally Split vs N.S.A.T.

The clearest difference is price: N.S.A.T. at Free against TSD Rally Split's $5.99. N.S.A.T. also leads on update cadence (every 4 days vs every 3 months). TSD Rally Split's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

N.S.A.T. is free to download; TSD Rally Split costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TSD Rally Split ships an update every 3 months, N.S.A.T. every 4 days. The most recent releases landed on September 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TSD Rally Split | N.S.A.T. |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nsat/id6760433974/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MSYapps](https://appshunter.io/developer/458482419) | [Neal Puff](https://appshunter.io/developer/1884458263) |

## What reviewers say

### TSD Rally Split

[App page](https://appshunter.io/ios/app/tsd-rally-split/id984365821)

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

**In-app purchases:** none


### N.S.A.T.

[App page](https://appshunter.io/ios/app/nsat/id6760433974)

This application assists in achieving a time closest to a target average speed for race courses. It uses a specific GPS device to automatically start and stop timing, storing results in a log. Users can configure existing courses or add their own for practice.

**Highlights:** Target average speed timing, Automatic start/stop with RaceBox GPS, Course configuration and saving, Results log file, Support for 'red flag restarts', Custom course creation

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

**In-app purchases:** none


## Frequently asked questions

### Is TSD Rally Split free?

TSD Rally Split costs $5.99, with no in-app purchases.

### Is N.S.A.T. free?

N.S.A.T. is free to download, with no in-app purchases.

### Do TSD Rally Split or N.S.A.T. have ads?

Neither TSD Rally Split nor N.S.A.T. shows ads.

### Which is updated more often, TSD Rally Split or N.S.A.T.?

TSD Rally Split ships an update every 3 months, and N.S.A.T. every 4 days. Most recently, TSD Rally Split was updated on September 19, 2026 and N.S.A.T. on October 15, 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.*