Comparison

Speedometer GPX vs Dark Surf

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Speedometer GPX

Features
Read full description

When riding a bike, you don't need a dedicated speedometer. Use your smartphone as the speedometer. It has a neat design and is easy but offers a variety of functions. You can view maps of directions of movement or save routes as GPX, KML files. You can also attach a saved file and immediately email it to them. You can specify a speed range for various situations, such as walking, biking, and driving.

About

Dark Surf

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
Read full description

Dark Surf gives Safari a thoughtful dark mode for every website. Instead of painting over pages, Dark Surf reads each site’s own design and rebuilds it in the dark. Backgrounds and cards turn deep and calm, text stays crisp, and the colors that carry meaning, like buttons, links, warnings and highlights, keep their character. Photos stay natural. SMART BY DEFAULT • Leaves websites that already have a dark design alone • Keeps dark logos, icons and formulas visible • Keeps text on top of photos readable • Handles modern websites built with CSS variables, Tailwind, Bootstrap and web components MAKE IT YOURS • Six themes: Midnight, Ocean, Dim, Warm, Graphite and true-black AMOLED • Build your own palette from any colors • Fine-tune brightness and contrast, and choose how images look • See every change instantly in a live preview that runs Safari’s own Dark Surf engine YOUR RULES • Switch any website between Dark, Invert and Off right from Safari • Keep lists of websites that are always dark, inverted or never themed • Follow a schedule or your device’s Dark Mode, or pause for an hour PRIVATE BY DESIGN Pages are recolored on your device. Dark Surf has no account, no analytics, no ads and no tracking, and never sends the pages you visit to anyone. Dark Surf is a Safari extension. After installing, turn it on in Settings › Apps › Safari › Extensions. The app shows you how.

Screenshots

Speedometer GPX4 screens
Dark Surf4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard4 real differences · 5 level
Speedometer GPX versus Dark Surf: the parameters behind the verdict, then further details
ParameterSpeedometer GPXDark Surf
PriceFreeFree
Rating—3.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 4 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size57 MB6 MB
Age rating4+17+
DeveloperLand Analysis LabVali Mikayilov

In-app purchases

1 purchases

Speedometer GPX

One-time1
  • Remove Ads$6.99
None

Dark Surf

No in-app purchases

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.

Other comparisons