# TTII vs PhysicsXpert

The clearest difference is update cadence: TTII at every 5 weeks against PhysicsXpert's every 3 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.

TTII ships an update every 5 weeks, PhysicsXpert every 3 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | TTII | PhysicsXpert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 97 MB | 253 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) |

## What reviewers say

### TTII

[App page](https://appshunter.io/ios/app/ttii/id6745330435)

**In-app purchases:** none


### PhysicsXpert

[App page](https://appshunter.io/ios/app/physicsxpert/id6749925655)

**In-app purchases:** none


## Frequently asked questions

### Is TTII free?

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

### Is PhysicsXpert free?

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

### Do TTII or PhysicsXpert have ads?

Neither TTII nor PhysicsXpert shows ads.

### Which is updated more often, TTII or PhysicsXpert?

TTII ships an update every 5 weeks, and PhysicsXpert every 3 months. Most recently, TTII was updated on September 8, 2026 and PhysicsXpert on September 15, 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.*