# Fresenius vs SENTRY PRO

The clearest difference is update cadence: SENTRY PRO at every 5 days against Fresenius's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Fresenius ships an update every 6 weeks, SENTRY PRO every 5 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Fresenius | SENTRY PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 72 MB | 14 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fresenius Netcare (Beijing) Consulting Co., Ltd.](https://appshunter.io/developer/1177976632) | [Limson Marketing Inc.](https://appshunter.io/developer/1555979018) |

## What reviewers say

### Fresenius

[App page](https://appshunter.io/ios/app/fresenius/id1406239082)

**Features:** macOS Compatibility

**In-app purchases:** none


### SENTRY PRO

[App page](https://appshunter.io/ios/app/sentry-pro/id1641050180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fresenius free?

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

### Is SENTRY PRO free?

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

### Do Fresenius or SENTRY PRO have ads?

Neither Fresenius nor SENTRY PRO shows ads.

### Which is updated more often, Fresenius or SENTRY PRO?

Fresenius ships an update every 6 weeks, and SENTRY PRO every 5 days. Most recently, Fresenius was updated on October 7, 2026 and SENTRY PRO on October 2, 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.*