Comparison

4safe vs Speedometer

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

Head to head
About

4safe

Features
Read full description

More safety in your daily life with 4safe. Set up a safe location and automatically lock your chosen apps when you leave the defined area. In emergencies, send alerts to your contacts and stay protected.

About

Speedometer

Transform your device into a precise digital dashboard for tracking speed, distance, and routes. Features include real-time GPS tracking, trip history, and customizable display modes for various vehicles and activities.

Highlights
  • Real-time GPS speed and distance tracking
  • Detailed trip history and route mapping
  • Smart odometer and gauge functionality
  • Background tracking with screen off
  • Customizable view modes (bicycle, big numbers)
  • Speed calibration tools
Features
Read full description

GPS Speedometer & Odometer: The Best Digital Dashboard Turn your smartphone into a professional-grade digital dashboard with the GPS Speedometer & Odometer app. Whether you’re driving a car, riding a motorcycle, or cruising on a boat, our universal tracker provides a highly accurate reading using advanced GPS technology. It’s the best tool for real-time speed monitoring and trip calibration. Key Features: Precision GPS Maps & Tracking Record your journeys in real-time. View your exact path, duration, and total distance on high-definition maps. Our online and offline modes ensure you never lose a test score of your route. Detailed Trip History & Benchmark Save your GPS tracks, analyze your average pace, and benchmark your performance. Whether you use an iPhone or another device, you can share your favorite cycling trails with friends. Smart Odometer & Gauge Track your total mileage and trip distance with digital precision. It’s a perfect replacement for a broken mechanical or analog speedometer. From a Ford F150 to a TH350 or 700R4 transmission setup, our app logs every kilometer and mph automatically. Background & Wireless Performance Keep tracking your speed even when the screen is off. Our live display widget works like a wireless smart cluster, ensuring uninterrupted recording without a cable and without draining your battery. Custom View Modes Bicycle & Scooter Mode: High-contrast interface designed for bike, scooter, and electric vehicle riders. Bigger Numbers (Dash) Mode: Maximum readability with bigger fonts. See your speed gauge clearly at a glance—perfect for a safe dash view. Calibration & Tool Kit Need to calibrate or recalibrate your speed after changing tires? Use our calibrator features to ensure your electronic tachometer stays precise. It works better than a basic adapter or a DIY Raspberry Pi setup. Perfect For: Drivers (Ford, Harley, etc.): A reliable free backup for a broken car or motorcycle cluster. No fuse or cable required! Marine & Outdoor: Ideal for marine use on a boat or even a golf cart. Cycling & Fitness: Monitor your cycling pace and work on your daily commutes." Privacy policy: https://ervi.dev/privacy-policy Terms of use: https://ervi.dev/terms-of-use

Screenshots

4safe4 screens
Speedometer3 screens

Verdict

The call

The clearest difference is price: Speedometer at Free against 4safe's $2.99. 4safe's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement 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

Speedometer is free to download; 4safe costs $2.99 up front. Speedometer sells 1 one-off in-app purchase. 4safe asks for nothing beyond the download.

UpkeepUpdate frequency

4safe ships an update every 2 weeks, Speedometer every 9 days. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
4safe versus Speedometer: the parameters behind the verdict, then further details
Parameter4safeSpeedometer
Price$2.99Free — better
Rating—4.5 (18 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—18 — better
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size42 MB30 MB
Age rating4+4+
DeveloperDATAMOB SISTEMAS SAERVI FIRST LLC

In-app purchases

None

4safe

No in-app purchases

1 purchases

Speedometer

One-time1
  • GPS Speedometer PRO$0.99

Questions

Is 4safe free?
4safe costs $2.99, with no in-app purchases.
Is Speedometer free?
Speedometer is free to download, with in-app purchases available.
Do 4safe or Speedometer have ads?
Speedometer shows ads; 4safe does not.
Which is updated more often, 4safe or Speedometer?
4safe ships an update every 2 weeks, and Speedometer every 9 days. Most recently, 4safe was updated on October 13, 2026 and Speedometer on October 5, 2026.

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