# Speed Lab vs Devim GPS

The clearest difference is in-app purchases: Speed Lab at none against Devim GPS's 1. Speed Lab also leads on iOS requirement (15.6 vs 17.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Devim GPS sells 1 one-off in-app purchase. Speed Lab asks for nothing beyond the download.

Speed Lab ships an update every 2 months, Devim GPS every 4 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Speed Lab | Devim GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/devim-gps-0-60-and-drag-timer/id6761691878/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 27 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ABDURRAHMAN ARICAN](https://appshunter.io/developer/1860805858) | [KEMAL UTKU LEKESIZ](https://appshunter.io/developer/1890818212) |

## What reviewers say

### Speed Lab

[App page](https://appshunter.io/ios/app/speed-lab-speedometer/id6758880460)

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

**In-app purchases:** none


### Devim GPS

[App page](https://appshunter.io/ios/app/devim-gps-0-60-and-drag-timer/id6761691878)

This app measures vehicle acceleration and distance using your iPhone's GPS or an OBD-II adapter. Analyze detailed run data, compare performance, and organize results by vehicle. An Apple Watch companion app is also included.

**Highlights:** 0-60 mph and custom speed range timing, Distance measurement (1/4 mile, 1 mile, etc.), Automatic standing-start detection, GPS and BLE OBD-II adapter support, Detailed run analysis (graphs, splits, G-force), Apple Watch companion app, Vehicle profile organization

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Devim GPS Pro | $9.99 | one-time |


## Frequently asked questions

### Is Speed Lab free?

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

### Is Devim GPS free?

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

### Do Speed Lab or Devim GPS have ads?

Neither Speed Lab nor Devim GPS shows ads.

### Which is updated more often, Speed Lab or Devim GPS?

Speed Lab ships an update every 2 months, and Devim GPS every 4 weeks. Most recently, Speed Lab was updated on October 12, 2026 and Devim GPS on October 11, 2026.

---

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