# Speedometer GPX vs Dark Surf

The clearest difference is in-app purchases: Dark Surf at none against Speedometer GPX's 1. Dark Surf also leads on ads (none vs shown). Speedometer GPX's advantage is update cadence (every 4 days vs every 4 months) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Speedometer GPX sells 1 one-off in-app purchase. Dark Surf asks for nothing beyond the download.

Speedometer GPX ships an update every 4 days, Dark Surf every 4 months. The most recent releases landed on September 21, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Speedometer GPX | Dark Surf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dark-surf/id6759101092/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | — | Free |
| Size | 57 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Land Analysis Lab](https://appshunter.io/developer/1792359337) | [Vali Mikayilov](https://appshunter.io/developer/1876309912) |

## What reviewers say

### Speedometer GPX

[App page](https://appshunter.io/ios/app/speedometer-gpx/id6744069742)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |


### Dark Surf

[App page](https://appshunter.io/ios/app/dark-surf/id6759101092)

Enhance your browsing experience with a customizable dark theme for Safari. Adjust shade, contrast, saturation, and image settings. Schedule dark mode or set it per-site.

**Highlights:** Customizable dark theme, Adjustable shade and contrast, Saturation and image handling, Scheduling for dark mode, Per-site theme controls, Preset themes (Midnight, Warm, AMOLED, Gray)

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

**In-app purchases:** none


## Frequently asked questions

### Is Speedometer GPX free?

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

### Is Dark Surf free?

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

### Do Speedometer GPX or Dark Surf have ads?

Speedometer GPX shows ads; Dark Surf does not.

### Which is updated more often, Speedometer GPX or Dark Surf?

Speedometer GPX ships an update every 4 days, and Dark Surf every 4 months. Most recently, Speedometer GPX was updated on September 21, 2026 and Dark Surf on September 29, 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.*