Comparison

Real Satellite Speed vs Nav Clock 2

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

Head to head

About

Real Satellite Speed

Features

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Real Satellite Speed uses your iPhone's GPS to show your true speed in real time - measured directly from satellite data, not estimated by the accelerometer. Whether you're driving, cycling, running, or flying, get the most accurate speed reading possible right from your pocket. SPEED SCREEN - Large, easy-to-read speed display in km/h, mph or m/s - Current altitude - Session maximum speed - see how fast you've gone - Clean dark interface designed for glanceability SPEED ALARM - Set a speed limit threshold - The app plays an alert sound the moment you exceed it - Easily adjust the target speed with + / - buttons or type it directly DESIGNED FOR REAL USE - Works on iPhone and iPad - Portrait mode optimised - Lightweight and battery-friendly - No account required - open and go Real Satellite Speed is perfect for drivers who want to double-check their speedometer, cyclists tracking their rides, pilots monitoring ground speed, or anyone curious about how fast they're really moving. Warning: "Continued use of GPS running in the background can dramatically decrease battery life." Disclaimer: This application is intended to be used for information purposes only. The author will not take any responsibility for any irresponsible use of the application and/or any inaccuracy of the speed displayed on the device due to poor satellite coverage.

About

Nav Clock 2

Features

Read full description

NavClock2 is a clock, navigation info and weather info app.

Screenshots

Real Satellite Speed2 screens

Nav Clock 21 screens

Verdict

The call

The clearest difference is ads: Nav Clock 2 at none against Real Satellite Speed's shown. Nav Clock 2 also leads on update cadence (every 2 weeks vs every 16 months). On price, in-app purchases, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Real Satellite Speed ships an update every 16 months, Nav Clock 2 every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

Real Satellite Speed versus Nav Clock 2: the parameters behind the verdict, then further details
Parameter	Real Satellite Speed	Nav Clock 2
Price	Free	Free
Update frequency	Every 16 months	Every 2 weeks — better
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	16.6 — better	17.2
Further details — not scored
Size	8 MB	9 MB
Age rating	4+	4+
Developer	Txus Carrion	Infoserv Hosting ApS

In-app purchases

None

Real Satellite Speed

No in-app purchases

None

Nav Clock 2

No in-app purchases

Questions

Is Real Satellite Speed free?

Real Satellite Speed is free to download, with no in-app purchases.

Is Nav Clock 2 free?

Nav Clock 2 is free to download, with no in-app purchases.

Do Real Satellite Speed or Nav Clock 2 have ads?

Real Satellite Speed shows ads; Nav Clock 2 does not.

Which is updated more often, Real Satellite Speed or Nav Clock 2?

Real Satellite Speed ships an update every 16 months, and Nav Clock 2 every 2 weeks. Most recently, Real Satellite Speed was updated on October 24, 2026 and Nav Clock 2 on October 25, 2026.