# M2go Sensor vs Seismoviewer

The clearest difference is update cadence: Seismoviewer at every 4 months against M2go Sensor's every 55 months. M2go Sensor's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

M2go Sensor ships an update every 55 months, Seismoviewer every 4 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | M2go Sensor | Seismoviewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/seismoviewer/id6758437882/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [taskit](https://appshunter.io/developer/830597040) | [HyeongRae Jo](https://appshunter.io/developer/1872940735) |

## What reviewers say

### M2go Sensor

[App page](https://appshunter.io/ios/app/m2go-sensor/id1166199314)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seismoviewer

[App page](https://appshunter.io/ios/app/seismoviewer/id6758437882)

This tool helps you monitor and analyze everyday vibrations from various sources like appliances, footsteps, or industrial equipment. It displays vibration magnitude, trends, and characteristics using your smartphone's accelerometer. All data processing is done locally on your device.

**Highlights:** Identify and analyze everyday vibrations, Monitor vibration magnitude, trends, and characteristics, Utilizes smartphone accelerometer, Local data processing on device, Suitable for household, industrial, and lab environments

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is M2go Sensor free?

M2go Sensor is free to download, with no in-app purchases.

### Is Seismoviewer free?

Seismoviewer is free to download, with no in-app purchases.

### Do M2go Sensor or Seismoviewer have ads?

Neither M2go Sensor nor Seismoviewer shows ads.

### Which is updated more often, M2go Sensor or Seismoviewer?

M2go Sensor ships an update every 55 months, and Seismoviewer every 4 months. Most recently, M2go Sensor was updated on November 6, 2026 and Seismoviewer on November 5, 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.*