# Dark Surf vs Network Diagnostics Speed Test

The clearest difference is in-app purchases: Dark Surf at none against Network Diagnostics Speed Test's 1. Dark Surf also leads on device support (3 vs 1) and iOS requirement (15.4 vs 17). Network Diagnostics Speed Test's advantage is update cadence (every 3 weeks vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Network Diagnostics Speed Test sells 1 one-off in-app purchase. Dark Surf asks for nothing beyond the download.

Dark Surf ships an update every 5 months, Network Diagnostics Speed Test every 3 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Dark Surf | Network Diagnostics Speed Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dark-surf/id6759101092/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 6 MB |
| Requires iOS | **15.4** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Vali Mikayilov](https://appshunter.io/developer/1876309912) | [友健 高](https://appshunter.io/developer/1871964438) |

## What reviewers say

### 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


### Network Diagnostics Speed Test

[App page](https://appshunter.io/ios/app/network-diagnostics-speed-test/id6792311015)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级高级会员 | $0.99 | one-time |


## Frequently asked questions

### Is Dark Surf free?

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

### Is Network Diagnostics Speed Test free?

Network Diagnostics Speed Test is free to download, with in-app purchases available.

### Do Dark Surf or Network Diagnostics Speed Test have ads?

Neither Dark Surf nor Network Diagnostics Speed Test shows ads.

### Which is updated more often, Dark Surf or Network Diagnostics Speed Test?

Dark Surf ships an update every 5 months, and Network Diagnostics Speed Test every 3 weeks. Most recently, Dark Surf was updated on September 10, 2026 and Network Diagnostics Speed Test on September 9, 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.*