# OKSİMETRE vs ATAC Med

The clearest difference is in-app purchases: OKSİMETRE at none against ATAC Med's 3. ATAC Med's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ATAC Med sells 3 in-app purchases, starting at $19.99 per month. OKSİMETRE asks for nothing beyond the download.

OKSİMETRE ships an update every 2 months, ATAC Med every 4 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OKSİMETRE | ATAC Med |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 169 MB | 145 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SINAVZA EGITIM VE BILISIM TEKNOLOJILERI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1594131322) | [Yusuf Gok](https://appshunter.io/developer/1860051430) |

## What reviewers say

### OKSİMETRE

[App page](https://appshunter.io/ios/app/oksimetre/id6444748445)

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

**In-app purchases:** none


### ATAC Med

[App page](https://appshunter.io/ios/app/atac-med/id6771401949)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $19.99 | per month |
| Premium Yearly | $69.99 | per year |
| ATAC Med Premium | $79.99 | per 6 months |


## Frequently asked questions

### Is OKSİMETRE free?

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

### Is ATAC Med free?

ATAC Med is free to download, with in-app purchases available.

### Do OKSİMETRE or ATAC Med have ads?

Neither OKSİMETRE nor ATAC Med shows ads.

### Which is updated more often, OKSİMETRE or ATAC Med?

OKSİMETRE ships an update every 2 months, and ATAC Med every 4 days. Most recently, OKSİMETRE was updated on October 8, 2026 and ATAC Med on October 10, 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.*