# Renew Support vs tVNS Research

The clearest difference is update cadence: tVNS Research at every 3 weeks against Renew Support's every 7 months. 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.

Renew Support ships an update every 7 months, tVNS Research every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Renew Support | tVNS Research |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/renew-support/id1449315323/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 47 MB | 34 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Palo Alto Veterans Institute for Research](https://appshunter.io/developer/1292950620) | [tVNS Technologies GmbH](https://appshunter.io/developer/1576187056) |

## What reviewers say

### Renew Support

[App page](https://appshunter.io/ios/app/renew-support/id1449315323)

This app allows trusted individuals to support loved ones recovering from posttraumatic stress. It provides notifications on progress, a messaging function for encouragement, and educational resources about trauma.

**Highlights:** Support loved ones in PTSD recovery, Receive progress notifications, Send encouragement messages, Access trauma information and tips, Stay updated on user activity

**Features:** macOS Compatibility

**In-app purchases:** none


### tVNS Research

[App page](https://appshunter.io/ios/app/tvns-research/id6474557525)

**In-app purchases:** none


## Frequently asked questions

### Is Renew Support free?

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

### Is tVNS Research free?

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

### Do Renew Support or tVNS Research have ads?

Neither Renew Support nor tVNS Research shows ads.

### Which is updated more often, Renew Support or tVNS Research?

Renew Support ships an update every 7 months, and tVNS Research every 3 weeks. Most recently, Renew Support was updated on November 2, 2026 and tVNS Research on November 4, 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.*