# Appion Central vs Tauris Training

The clearest difference is rating: Tauris Training at 3.9 against Appion Central's 2.8. Tauris Training also leads on review sentiment (50% vs 29%) and update cadence (every 11 days vs every 5 weeks). Appion Central's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Tauris Training sells 3 one-off in-app purchases. Appion Central asks for nothing beyond the download.

Tauris Training holds the better App Store score, 3.9 against 2.8. Both are backed by a comparable volume of ratings — 14 and 11 respectively. Written reviews point the same way: 29% of Appion Central's written reviews are positive against 50% of Tauris Training's.

Appion Central ships an update every 5 weeks, Tauris Training every 11 days. The most recent releases landed on October 3, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Appion Central | Tauris Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (14 ratings)](https://appshunter.io/ios/app/appion-central/id1455230837/reviews) | **[3.9 (11 ratings)](https://appshunter.io/ios/app/tauris-training/id1544361860/reviews)** |
| Number of ratings | **14** | 11 |
| Positive reviews | 28.6% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 268 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appion Inc.](https://appshunter.io/developer/978979622) | [Tauris McBride](https://appshunter.io/developer/1458310031) |

## What reviewers say

### Appion Central

[App page](https://appshunter.io/ios/app/appion-central/id1455230837)

Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.

**Highlights:** Manage Appion products, Interface with Appion Portal, Mobile tool management

**Features:** macOS Compatibility

**In-app purchases:** none


### Tauris Training

[App page](https://appshunter.io/ios/app/tauris-training/id1544361860)

This platform offers specialized training for HVAC, building engineering, and facilities management. It provides a simulated environment for studying complex technical subjects. Ideal for professionals and students in the building services industry.

**Highlights:** HVAC training modules, Building engineering simulations, Facilities management studies, Technical subject learning, Mobile training platform

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EPA 608 Training | $299.99 | one-time |
| HVAC Basic Training | $499.99 | one-time |
| NYC Q-01 Training | $499.99 | one-time |


## Frequently asked questions

### Is Appion Central free?

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

### Is Tauris Training free?

Tauris Training is free to download, with in-app purchases available.

### Which has better reviews, Appion Central or Tauris Training?

Tauris Training is rated higher. Appion Central averages 2.8 out of 5 from 14 ratings, while Tauris Training averages 3.9 from 11 ratings.

### Do Appion Central or Tauris Training have ads?

Neither Appion Central nor Tauris Training shows ads.

### Which is updated more often, Appion Central or Tauris Training?

Appion Central ships an update every 5 weeks, and Tauris Training every 11 days. Most recently, Appion Central was updated on October 3, 2026 and Tauris Training on September 16, 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.*