# PhysicsXpert vs Parently Loop

The clearest difference is in-app purchases: PhysicsXpert at none against Parently Loop's 2. PhysicsXpert also leads on ads (none vs shown). Parently Loop's advantage is update cadence (every 4 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Parently Loop sells 2 in-app purchases, starting at $4.99 per month. PhysicsXpert asks for nothing beyond the download.

PhysicsXpert ships an update every 3 months, Parently Loop every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | PhysicsXpert | Parently Loop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 88 MB | 47 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) | [GOINNOVATEHUB LLC](https://appshunter.io/developer/1896277048) |

## What reviewers say

### PhysicsXpert

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

**In-app purchases:** none


### Parently Loop

[App page](https://appshunter.io/ios/app/parently-loop-school-emails/id6766327987)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Parently Loop Pro - Monthly | $4.99 | per month |
| Parently Loop Pro - Annual | $39.99 | per year |


## Frequently asked questions

### Is PhysicsXpert free?

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

### Is Parently Loop free?

Parently Loop is free to download, with in-app purchases available.

### Do PhysicsXpert or Parently Loop have ads?

Parently Loop shows ads; PhysicsXpert does not.

### Which is updated more often, PhysicsXpert or Parently Loop?

PhysicsXpert ships an update every 3 months, and Parently Loop every 4 days. Most recently, PhysicsXpert was updated on October 28, 2026 and Parently Loop on October 28, 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.*