Comparison

Accelerometer vs Seismometer+

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

Head to head
About

Accelerometer

Transform your device into a precise 3-axis accelerometer. Monitor live acceleration and G-force readings, record motion data, and export it in various formats for detailed analysis. Ideal for experiments, testing, and engineering.

Highlights
  • Realtime X/Y/Z acceleration
  • G-force measurement
  • Record motion sessions
  • CSV/JSON/XML export
  • Adjustable sample rate
  • Max/Min tracking
Features
Read full description

Turn your iPhone into a precise 3-axis accelerometer. View live acceleration and G-force data, record motion, and export everything for analysis. Features • Realtime X/Y/Z acceleration • G-force measurement • Gravity on / off • CSV / JSON / XML export • Store recorded sessions • Adjustable sample rate • Max / Min tracking • Clean, fast, offline Use it for • Physics experiments • Motion/vibration tests • Vehicle acceleration • Engineering measurements • Hobby projects and diagnostics Simple. Accurate. Instant data. Help us make Accelerometer even better by reviewing it. We'll include your feature requests in future updates.

About

Seismometer+

Transform your device into a powerful seismometer to measure and visualize vibrations in real time. Track tremors, analyze surface stability, and explore the unseen movements around you with intuitive graphical displays. Perfect for science enthusiasts and the curious.

Highlights
  • Real-time X, Y, Z axis acceleration graphs
  • Cumulative vibration intensity analysis
  • Adjustable long-term data recording intervals
  • Dark mode display
  • Customizable graph update rates and sensitivity
Features
Read full description

Seismometer - Real-Time Vibration Analysis Measure everything that vibrates, shakes or moves. Or why not an actual earthquake? Transform your device into a powerful seismometer! This app uses precise acceleration data from your device to measure vibrations and display them graphically, just like a classic seismograph. Whether you're a science enthusiast or just curious about the world around you, this app makes vibration tracking simple and intuitive. Features: * Real-Time Graphs: Visualize X, Y, and Z-axis accelerations in real time with a classic seismograph-style display. *Cumulative Analysis: View the overall vibration intensity with a combined graph for long-term tracking. * Adjustable Recording Intervals: Set custom time intervals for long-term data recording to suit your needs. * Dark Mode: Enjoy a sleek, modern design optimized for dark mode, perfect for low-light environments. * Customizable Settings: Tailor the app to your preferences, from graph update rates to display sensitivity. Perfect For: Detecting subtle vibrations and tremors. Understanding the movement and stability of surfaces. Science experiments, education, and general curiosity. Download Seismometer today and explore the unseen vibrations of your world!

Screenshots

Accelerometer4 screens
Seismometer+4 screens

Verdict

The call

The clearest difference is rating: Seismometer+ at 4.5 against Accelerometer's 4.0. Seismometer+ also leads on in-app purchases (none vs 1) and ratings volume (82 vs 1). Accelerometer's advantage is ads (none vs shown). 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. Accelerometer sells 1 one-off in-app purchase. Seismometer+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Seismometer+ holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Seismometer+ has 82 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of Accelerometer's written reviews are positive against 67% of Seismometer+'s.

Scorecard7 real differences · 3 level
Accelerometer versus Seismometer+: the parameters behind the verdict, then further details
ParameterAccelerometerSeismometer+
PriceFreeFree
Rating4.0 (1 ratings)4.5 (82 ratings) — better
Positive reviews53.7% of reviews66.7% of reviews — better
Number of ratings182 — better
Update frequencyEvery 5 months—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperJan HalozanUniCom Technology

Customer experience

Accelerometer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews41 reviews
Positive53.7%
Neutral19.5%
Negative26.8%

Seismometer+

All ratings82 ratings
Positive85.4%
Neutral4.9%
Negative9.8%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

1 purchases

Accelerometer

One-time1
  • Accelerometer Pro$1.99
None

Seismometer+

No in-app purchases

Questions

Is Accelerometer free?
Accelerometer is free to download, with in-app purchases available.
Is Seismometer+ free?
Seismometer+ is free to download, with no in-app purchases.
Which has better reviews, Accelerometer or Seismometer+?
Seismometer+ is rated higher. Accelerometer averages 4.0 out of 5 from 1 ratings, while Seismometer+ averages 4.5 from 82 ratings.
Do Accelerometer or Seismometer+ have ads?
Seismometer+ shows ads; Accelerometer does not.

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