# DeviceAID vs Redo TAV

The clearest difference is ads: Redo TAV at none against DeviceAID's shown. Redo TAV also leads on update cadence (every 5 months vs every 14 months) and iOS requirement (15.1 vs 18.0). On price, 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.

DeviceAID ships an update every 14 months, Redo TAV every 5 months. The most recent releases landed on October 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | DeviceAID | Redo TAV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/redo-tav/id6462937010/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 60 MB | 35 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) | [KRUTSCH](https://appshunter.io/developer/1454678018) |

## What reviewers say

### DeviceAID

[App page](https://appshunter.io/ios/app/deviceaid/id6449780080)

**Features:** macOS Compatibility

**In-app purchases:** none


### Redo TAV

[App page](https://appshunter.io/ios/app/redo-tav/id6462937010)

This app offers systematic CT analysis for planning transcatheter aortic valve replacement procedures. It provides procedural guidance, including implant height and depth information, and allows users to generate visual reports of procedure data.

**Highlights:** Systematic CT analysis for Redo-TAV procedures, Valve CT appearance and dimensions, Step-by-step assessment guidance, Implant height and depth information, Procedural video clips, Procedure data and outcome reporting

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

**In-app purchases:** none


## Frequently asked questions

### Is DeviceAID free?

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

### Is Redo TAV free?

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

### Do DeviceAID or Redo TAV have ads?

DeviceAID shows ads; Redo TAV does not.

### Which is updated more often, DeviceAID or Redo TAV?

DeviceAID ships an update every 14 months, and Redo TAV every 5 months. Most recently, DeviceAID was updated on October 6, 2026 and Redo TAV on September 23, 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.*