# Phoenix International School vs Physics. Trainer App

The clearest difference is in-app purchases: Phoenix International School at none against Physics. Trainer App's 2. Phoenix International School also leads on ads (none vs shown) and iOS requirement (15.5 vs 18.6). Physics. Trainer App's advantage is update cadence (weekly vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Physics. Trainer App sells 2 in-app purchases, starting at $2.99 per year. Phoenix International School asks for nothing beyond the download.

Phoenix International School ships an update every 12 months, Physics. Trainer App weekly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Phoenix International School | Physics. Trainer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/physics-trainer-app/id6753603866/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 144 MB | 32 MB |
| Requires iOS | **15.5** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [NLET](https://appshunter.io/developer/1570619872) | [Blatt, Inc](https://appshunter.io/developer/1779835943) |

## What reviewers say

### Phoenix International School

[App page](https://appshunter.io/ios/app/phoenix-international-school/id6464309070)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics. Trainer App

[App page](https://appshunter.io/ios/app/physics-trainer-app/id6753603866)

Master physics formulas with this app designed for high school students. Practice with spaced repetition and track your progress to build long-term memory and exam confidence.

**Highlights:** Comprehensive formula bank, Spaced repetition trainer, Adaptive learning, Progress tracking, Formula building exercises

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium access | $2.99 | per year |
| Removing ads | $2.99 | one-time |


## Frequently asked questions

### Is Phoenix International School free?

Phoenix International School is free to download, with no in-app purchases.

### Is Physics. Trainer App free?

Physics. Trainer App is free to download, with in-app purchases available.

### Do Phoenix International School or Physics. Trainer App have ads?

Physics. Trainer App shows ads; Phoenix International School does not.

### Which is updated more often, Phoenix International School or Physics. Trainer App?

Phoenix International School ships an update every 12 months, and Physics. Trainer App weekly. Most recently, Phoenix International School was updated on October 10, 2026 and Physics. Trainer App 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.*