# COVID19VMI vs TdC

The clearest difference is update cadence: COVID19VMI at every 4 days against TdC's every 10 days. COVID19VMI also leads on iOS requirement (13.0 vs 16.4). 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.

COVID19VMI ships an update every 4 days, TdC every 10 days. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | COVID19VMI | TdC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Ad-supported |
| Size | 49 MB | 56 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | +17 |
| Developer | [Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo](https://appshunter.io/developer/1438149933) | [TdC - Tá de Clinicagem](https://appshunter.io/developer/1660374397) |

## What reviewers say

### COVID19VMI

[App page](https://appshunter.io/ios/app/covid19vmi/id1530280489)

**Features:** Vision Pro support

**In-app purchases:** none


### TdC

[App page](https://appshunter.io/ios/app/tdc/id1668685227)

This service distills complex medical publications into concise text and audio summaries. It aims to make medical education enjoyable and accessible, delivering evidence-based information across various specialties in an easy-to-consume format.

**Highlights:** Daily medical article summaries, Text and audio content, Covers diverse medical specialties, Evidence-based information, Accessible and enjoyable learning

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

**In-app purchases:** none


## Frequently asked questions

### Is COVID19VMI free?

COVID19VMI is free to download, with no in-app purchases.

### Is TdC free?

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

### Do COVID19VMI or TdC have ads?

Neither COVID19VMI nor TdC shows ads.

### Which is updated more often, COVID19VMI or TdC?

COVID19VMI ships an update every 4 days, and TdC every 10 days. Most recently, COVID19VMI was updated on October 7, 2026 and TdC on October 27, 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.*