# jempi.app vs STAR Race Timer | 0

The clearest difference is in-app purchases: jempi.app at none against STAR Race Timer | 0's 1. jempi.app also leads on iOS requirement (12.0 vs 16.4). On price there is nothing between them.

Both are free to download. STAR Race Timer | 0 sells 1 one-off in-app purchase. jempi.app asks for nothing beyond the download.

## The numbers

| Metric | jempi.app | STAR Race Timer | 0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/star-race-timer-0-60-mph/id6447011283/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 73 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Brand](https://appshunter.io/developer/1673983502) | [Maximilian Krause](https://appshunter.io/developer/1324153354) |

## What reviewers say

### jempi.app

[App page](https://appshunter.io/ios/app/jempiapp/id6445821387)

**In-app purchases:** none


### STAR Race Timer | 0

[App page](https://appshunter.io/ios/app/star-race-timer-0-60-mph/id6447011283)

Measure your car's acceleration from 0 to 60 mph or over specific distances without expensive equipment. The app supports multiple measurement modes and allows for safe, stationary configuration with automatic start detection during rolling starts. All results are stored locally for later analysis with speed graphs and route mapping.

**Highlights:** Unlimited acceleration measurements, Speed-based and distance-based modes, Local data storage and analysis, Route saving and map view, Rolling start detection, Real-time speed information, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STAR Pro | $44.99 | one-time |


## Frequently asked questions

### Is jempi.app free?

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

### Is STAR Race Timer | 0 free?

STAR Race Timer | 0 is free to download, with in-app purchases available.

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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.*