# IASIS Application vs Truvaga Plus

The clearest difference is update cadence: IASIS Application at every 11 days against Truvaga Plus's every 3 months. IASIS Application also leads on iOS requirement (13.0 vs 18.0). 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.

IASIS Application ships an update every 11 days, Truvaga Plus every 3 months. The most recent releases landed on May 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | IASIS Application | Truvaga Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (11 ratings)](https://appshunter.io/ios/app/truvaga-plus/id6473719558/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 42.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 135 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Iasis Technologies Corporation](https://appshunter.io/developer/1676399593) | [electroCore](https://appshunter.io/developer/1719577515) |

## What reviewers say

### IASIS Application

[App page](https://appshunter.io/ios/app/iasis-application/id6446163219)

**Features:** macOS Compatibility

**In-app purchases:** none


### Truvaga Plus

[App page](https://appshunter.io/ios/app/truvaga-plus/id6473719558)

This app pairs with a handheld device to stimulate the vagus nerve for relaxation and stress relief. It allows users to control session intensity, schedule wellness routines, and monitor progress for a calmer, clearer mind. Enjoy quick, natural well-being sessions anytime, anywhere.

**Highlights:** Vagus nerve stimulation, Bluetooth device control, Session scheduling, Intensity management, Progress monitoring, Unlimited relaxation sessions

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

**In-app purchases:** none


## Frequently asked questions

### Is IASIS Application free?

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

### Is Truvaga Plus free?

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

### Do IASIS Application or Truvaga Plus have ads?

Neither IASIS Application nor Truvaga Plus shows ads.

### Which is updated more often, IASIS Application or Truvaga Plus?

IASIS Application ships an update every 11 days, and Truvaga Plus every 3 months. Most recently, IASIS Application was updated on May 17, 2026 and Truvaga Plus on September 22, 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.*