# Thorium vs MyTpi

The clearest difference is rating: Thorium at 4.5 against MyTpi's 3.3. Thorium also leads on ads (none vs shown) and monetization model (free vs ad-supported). MyTpi's advantage is ratings volume (13 vs 2). On price, update cadence, 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.

Thorium holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: MyTpi has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Thorium's written reviews are positive against 57% of MyTpi's.

Thorium ships an update every 2 months, MyTpi every 3 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thorium | MyTpi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/thorium/id653964281/reviews)** | [3.3 (13 ratings)](https://appshunter.io/ios/app/mytpi/id1484682965/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | **66.7% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 60 MB |
| Requires iOS | **8.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YoctoPlay](https://appshunter.io/developer/337781260) | [ACTPI LLC](https://appshunter.io/developer/1682118208) |

## What reviewers say

### Thorium

[App page](https://appshunter.io/ios/app/thorium/id653964281)

Explore the potential of thorium as an energy source. This educational app uses videos to explain nuclear fission and contrast thorium-based reactors with current energy technologies like solar and wind.

**Highlights:** Thorium energy transformation explained, Nuclear fission concepts, Molten Salt Reactor (MSR) comparison, Contrast with current energy sources, Educational video series

**Features:** macOS Compatibility

**In-app purchases:** none


### MyTpi

[App page](https://appshunter.io/ios/app/mytpi/id1484682965)

Connect with your TPI Certified Pro for personalized training programs. Receive exercise videos and detailed instructions directly on your mobile device for easy reference and proper form. Stay updated with automatic notifications for new or revised programs.

**Highlights:** Connect with TPI Certified Professionals, Receive training programs, Watch exercise videos, View screen results and analysis, Automatic program updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thorium free?

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

### Is MyTpi free?

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

### Which has better reviews, Thorium or MyTpi?

Thorium is rated higher. Thorium averages 4.5 out of 5 from 2 ratings, while MyTpi averages 3.3 from 13 ratings.

### Do Thorium or MyTpi have ads?

MyTpi shows ads; Thorium does not.

### Which is updated more often, Thorium or MyTpi?

Thorium ships an update every 2 months, and MyTpi every 3 months. Most recently, Thorium was updated on October 11, 2026 and MyTpi on October 24, 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.*