# DermaSpark Store vs OBSERV 320

The clearest difference is update cadence: OBSERV 320 at every 2 weeks against DermaSpark Store's every 4 months. On price, in-app purchases and iOS requirement there is nothing between them.

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

DermaSpark Store ships an update every 4 months, OBSERV 320 every 2 weeks. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DermaSpark Store | OBSERV 320 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 2 MB | 103 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | — | **iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Igal Roytblat](https://appshunter.io/developer/630687862) | [InnoFaith beauty sciences](https://appshunter.io/developer/583003631) |

## What reviewers say

### DermaSpark Store

[App page](https://appshunter.io/ios/app/dermaspark-store/id1215060072)

**In-app purchases:** none


### OBSERV 320

[App page](https://appshunter.io/ios/app/observ-320/id1438612246)

**In-app purchases:** none


## Frequently asked questions

### Is DermaSpark Store free?

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

### Is OBSERV 320 free?

OBSERV 320 is free to download, with no in-app purchases.

### Which is updated more often, DermaSpark Store or OBSERV 320?

DermaSpark Store ships an update every 4 months, and OBSERV 320 every 2 weeks. Most recently, DermaSpark Store was updated on September 20, 2026 and OBSERV 320 on September 21, 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.*