Comparison

Theta vs Speedometer XS

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

Head to head
About

Theta

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Theta-Meter standard e-meter app. Theta-Meter e-meter hardware can be connected to this app using Bluetooth LE 4.0 (or higher) or Wi-Fi connection. This app measures the electric resistance of the object, connected to Theta-Meter e-meter electrodes. This app is not intended to diagnose, treat, cure, or prevent any disease or medical or therapeutic use. Using a needle indicator, this app shows the dynamics of changes in the electrical resistance of an object connected to the Theta-Meter device.

About

Speedometer XS

Track your real-time speed, distance, and altitude during various activities like running, cycling, or driving. Record and analyze your measurements to monitor progress and identify areas for improvement.

Highlights
  • Real-time speed measurement
  • Track distance traveled
  • Record altitude
  • Save measurement history
  • Analyze performance data
  • User-friendly interface
Features
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Introducing Speedometer XS, the ultimate speed measurement app for your iPhone! Whether you're a runner, cyclist, or just someone who loves to track their speed, Speedometer has got you covered. With Speedometer, you can easily measure your speed in real-time, no matter what activity you're engaged in. Whether you're running a marathon, cycling through the countryside, or simply driving your car, Speedometer will accurately track your speed and provide you with all the information you need to stay on top of your game. But that's not all! Speedometer also allows you to record your measurements, including speed, travel distance, and altitude. This means that you can keep track of your progress over time and see how you're improving. Plus, with detailed measurement records, you can analyze your performance and identify areas for improvement. Speedometer is the perfect app for anyone who wants to stay on top of their speed and track their progress. Whether you're a serious athlete or just someone who enjoys staying active, Speedometer is the tool you need to take your performance to the next level. So why wait? Download Speedometer today and start tracking your speed like never before! With its user-friendly interface and powerful features, Speedometer is the ultimate speed measurement app for your iPhone.

Screenshots

Theta2 screens
Speedometer XS4 screens

Verdict

The call

The clearest difference is update cadence: Speedometer XS at every 5 days against Theta's every 31 months. Theta's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases 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

Theta ships an update every 31 months, Speedometer XS every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
Theta versus Speedometer XS: the parameters behind the verdict, then further details
ParameterThetaSpeedometer XS
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 31 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size8 MB6 MB
Age rating4+4+
DeveloperMikhail Fedorov永超 侯

In-app purchases

None

Theta

No in-app purchases

None

Speedometer XS

No in-app purchases

Questions

Is Theta free?
Theta is free to download, with no in-app purchases.
Is Speedometer XS free?
Speedometer XS is free to download, with no in-app purchases.
Do Theta or Speedometer XS have ads?
Neither Theta nor Speedometer XS shows ads.
Which is updated more often, Theta or Speedometer XS?
Theta ships an update every 31 months, and Speedometer XS every 5 days. Most recently, Theta was updated on October 27, 2026 and Speedometer XS on October 30, 2026.

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