Simple Speedometer vs Knot/Knop Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Speedometer
This app transforms your iPhone into a precise GPS speedometer, offering a heads-up display (HUD) for windshield viewing, trip logging, and speed alerts. It supports various units and provides detailed trip data, all while prioritizing user privacy with no ads or accounts.
- Live GPS speed readout
- HUD mode for windshield display
- Trip odometer and driving log
- Speed limit alerts
- Voice announcements
- Compass and altitude display
- GPX/CSV trip export
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Turn your iPhone into a focused GPS speedometer designed for clear, quick glances. SPEEDOMETER PRO A Speedometer Pro subscription unlocks the complete app: • Large live GPS speed display • MPH, KPH, knots and m/s • GPS accuracy, compass heading and altitude • Private trip summaries with distance, duration, maximum and average speed • Mirrored windshield HUD • Live camera view with a speed overlay SUBSCRIPTION DETAILS Title of service: Speedometer Pro Length of subscription: 1 month (auto-renewing) or 1 year (auto-renewing) Price: shown in your local currency on the subscription screen before you purchase. There is no free trial. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID account settings after purchase. Restore Purchases is available on the subscription screen and in Settings. TERMS OF USE AND PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://approtic.in/apps/speedometer-simple/privacy PRIVATE BY DESIGN No advertising account is required. Location and saved trip summaries remain on your device. RevenueCat is used only to load App Store subscription products, process purchases and restore Pro access. SAFETY Mount your device securely and configure the app before driving. Never hold or interact with your device while driving. GPS speed depends on signal quality and does not replace your vehicle's certified speedometer.
Knot/Knop Meter
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KnotMeter turns your iPhone into a precise GPS speedometer for your boat, no extra hardware, no subscriptions. Open it, head out on the water, and see exactly how fast you're going in knots. Whether you're chasing a personal best, comparing boats with friends, or just curious what your hull can really do, KnotMeter measures it and remembers it. MEASURE YOUR SPEED • Real-time speed in knots (SOG) straight from GPS • Live session max and average speed • Four speedometer styles: dial, fixed 0–100, digital and bar • Color heats up from yellow to red the faster you go • GPS quality indicator so you know the reading is solid MORE THAN A SPEEDO • G-force meter, like a sports car • Live compass heading • Wind speed, direction and gusts • Every run auto-saves with location, heading, wind and peak G GLOBAL LEADERBOARD • See the fastest boats in the world and in your country • Filter by country, boat size, fuel (petrol/diesel/electric) and year • The all-time champion shines at the top • Add your boat with a photo, brand, model and engine details BUILT FOR THE WATER • Keeps measuring with the screen off or the phone stowed • Water-only, it won't count speed from a car or a plane • iCloud sync: your boats and runs follow you to a new device • Sign in with Apple • Dark and light themes • Free Download KnotMeter, hit the throttle, and find out how fast you really are.
Screenshots
Verdict
The clearest difference is update cadence: Knot/Knop Meter at every 2 days against Simple Speedometer's every 2 months. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Simple Speedometer ships an update every 2 months, Knot/Knop Meter every 2 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | Simple Speedometer | Knot/Knop Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Viionr Infotech Private Limited | OFL AS |
In-app purchases
Simple Speedometer
No in-app purchases
Knot/Knop Meter
No in-app purchases
Questions
Is Simple Speedometer free?
Is Knot/Knop Meter free?
Do Simple Speedometer or Knot/Knop Meter have ads?
Which is updated more often, Simple Speedometer or Knot/Knop Meter?
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