# DESSMANN vs Pocket Seismograph

The clearest difference is iOS requirement: DESSMANN at 8.0 against Pocket Seismograph's 13.0. 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.

DESSMANN ships an update every 2 months, Pocket Seismograph every 3 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DESSMANN | Pocket Seismograph |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 37 MB | 23 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Desman Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1073533043) | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) |

## What reviewers say

### DESSMANN

[App page](https://appshunter.io/ios/app/dessmann/id1417809184)

Control smart home and security devices like fingerprint locks, access control, and parking locks remotely with your mobile phone. Upgrade security standards and simplify your life by eliminating the need for traditional keys.

**Highlights:** Fingerprint lock control, Smart home device management, Access control integration, Parking lock operation, Enhanced security standards, Keyless convenience

**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 DESSMANN free?

DESSMANN 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 DESSMANN or Pocket Seismograph have ads?

Neither DESSMANN nor Pocket Seismograph shows ads.

### Which is updated more often, DESSMANN or Pocket Seismograph?

DESSMANN ships an update every 2 months, and Pocket Seismograph every 3 months. Most recently, DESSMANN was updated on October 22, 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.*