# GPS Analytics Viewer vs Pocket Seismograph

The clearest difference is iOS requirement: Pocket Seismograph at 13.0 against GPS Analytics Viewer's 15.6. On price, update cadence, 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.

GPS Analytics Viewer ships an update every 4 months, Pocket Seismograph every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GPS Analytics Viewer | Pocket Seismograph |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 52 MB | 23 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruediger Brodhage](https://appshunter.io/developer/1509685751) | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) |

## What reviewers say

### GPS Analytics Viewer

[App page](https://appshunter.io/ios/app/gps-analytics-viewer/id1509685752)

**In-app purchases:** none


### Pocket Seismograph

[App page](https://appshunter.io/ios/app/pocket-seismograph-vibration/id6766446046)

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

**In-app purchases:** none


## Frequently asked questions

### Is GPS Analytics Viewer free?

GPS Analytics Viewer is free to download, with no in-app purchases.

### Is Pocket Seismograph free?

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

### Do GPS Analytics Viewer or Pocket Seismograph have ads?

Neither GPS Analytics Viewer nor Pocket Seismograph shows ads.

### Which is updated more often, GPS Analytics Viewer or Pocket Seismograph?

GPS Analytics Viewer ships an update every 4 months, and Pocket Seismograph every 3 months. Most recently, GPS Analytics Viewer was updated on October 27, 2026 and Pocket Seismograph on October 25, 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.*