# Vibration Meter, seismograph vs Accelerometer ∞

The clearest difference is ads: Vibration Meter, seismograph at none against Accelerometer ∞'s shown. Vibration Meter, seismograph also leads on rating (4.7 vs 4.3) and ratings volume (717 vs 65). Accelerometer ∞'s advantage is update cadence (every 2 weeks vs every 7 months) and review sentiment (50% vs 42%). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Vibration Meter, seismograph sells 1 one-off in-app purchase and Accelerometer ∞ sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Vibration Meter, seismograph holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Vibration Meter, seismograph has 717 ratings behind it against 65, so its average is the more settled of the two. Written reviews complicate that: 42% of Vibration Meter, seismograph's written reviews are positive against 50% of Accelerometer ∞'s, so the app with the better star average is not the one people write more warmly about.

Vibration Meter, seismograph ships an update every 7 months, Accelerometer ∞ every 2 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Vibration Meter, seismograph | Accelerometer ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (717 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews)** | [4.3 (65 ratings)](https://appshunter.io/ios/app/accelerometer/id6621273087/reviews) |
| Number of ratings | **717** | 65 |
| Positive reviews | 41.7% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Fawkes Wei](https://appshunter.io/developer/432767536) |

## What reviewers say

### Vibration Meter, seismograph

[App page](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201)

This application uses your phone's accelerometer to measure and record vibrations from various sources, including earthquakes and everyday objects. It displays ground motion on a graph and uses an instrumental intensity scale for analysis. You can also monitor and share your measurement results.

**Highlights:** Measures vibration strength, Detects seismic waves, Uses accelerometer for analysis, Displays ground motion graph, Utilizes instrumental intensity scale, Monitors and shares results

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Accelerometer ∞

[App page](https://appshunter.io/ios/app/accelerometer/id6621273087)

Visualize device motion data in real-time with dynamic graphs. Analyze sensor information, calibrate your device, and explore various possibilities. This utility app offers a unique perspective on your device's movement.

**Highlights:** Real-time motion data visualization, Stunning graph displays, Sensor calibration, Data analysis, Explore endless possibilities

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Vibration Meter, seismograph free?

Vibration Meter, seismograph is free to download, with in-app purchases available.

### Is Accelerometer ∞ free?

Accelerometer ∞ is free to download, with in-app purchases available.

### Which has better reviews, Vibration Meter, seismograph or Accelerometer ∞?

Vibration Meter, seismograph is rated higher. Vibration Meter, seismograph averages 4.7 out of 5 from 717 ratings, while Accelerometer ∞ averages 4.3 from 65 ratings.

### Do Vibration Meter, seismograph or Accelerometer ∞ have ads?

Accelerometer ∞ shows ads; Vibration Meter, seismograph does not.

### Which is updated more often, Vibration Meter, seismograph or Accelerometer ∞?

Vibration Meter, seismograph ships an update every 7 months, and Accelerometer ∞ every 2 weeks. Most recently, Vibration Meter, seismograph was updated on October 14, 2026 and Accelerometer ∞ on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*