# Doc Duty vs AnestSync

The clearest difference is update cadence: AnestSync at every 5 days against Doc Duty's every 3 weeks. Doc Duty's advantage is device support (3 vs 1). On price, ads, 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.

Doc Duty ships an update every 3 weeks, AnestSync every 5 days. The most recent releases landed on October 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Doc Duty | AnestSync |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 36 MB | 103 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +17 |
| Developer | [GILBERTO ZINN SCHUTZ FILHO](https://appshunter.io/developer/1637909096) | [Substancia P](https://appshunter.io/developer/1748209604) |

## What reviewers say

### Doc Duty

[App page](https://appshunter.io/ios/app/doc-duty/id1637998342)

**Features:** macOS Compatibility

**In-app purchases:** none


### AnestSync

[App page](https://appshunter.io/ios/app/anestsync-anestesia/id6801193385)

A quick reference tool for anesthesiologists, offering emergency protocols, scoring systems, and calculation support. It provides clinical data with sources, emphasizing it's for study and confirmation, not a substitute for professional judgment.

**Highlights:** Emergency protocols, Scoring and classification systems, Arterial blood gas interpretation, Ventilatory safety support, Infusion and dilution calculations, Pediatric anesthesia support, Surgical safety checklist

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

**In-app purchases:** none


## Frequently asked questions

### Is Doc Duty free?

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

### Is AnestSync free?

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

### Do Doc Duty or AnestSync have ads?

Neither Doc Duty nor AnestSync shows ads.

### Which is updated more often, Doc Duty or AnestSync?

Doc Duty ships an update every 3 weeks, and AnestSync every 5 days. Most recently, Doc Duty was updated on October 25, 2026 and AnestSync on September 29, 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.*