# Lab4U vs Surfari Pals App

The clearest difference is in-app purchases: Surfari Pals App at none against Lab4U's 4. Lab4U's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lab4U sells 4 one-off in-app purchases. Surfari Pals App asks for nothing beyond the download.

Lab4U ships an update every 2 weeks, Surfari Pals App every 3 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Lab4U | Surfari Pals App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/lab4u/id1049405068/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lab4U Inc.](https://appshunter.io/developer/1049405067) | [Surfari Pals Inc.](https://appshunter.io/developer/1579599160) |

## What reviewers say

### Lab4U

[App page](https://appshunter.io/ios/app/lab4u/id1049405068)

This app transforms your device into a scientific tool for hands-on biology, physics, and chemistry experiments. Explore real-time data using your phone's sensors to learn and teach science in an engaging, inquiry-based manner.

**Highlights:** Real-time sensor experiments, Biology, physics, and chemistry labs, Inquiry-Based Learning methodology, Curriculum-aligned content, Scientific thinking development, Device camera, microphone, and motion sensor integration

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lab4physics Trial | Free | one-time |
| Lab4U Trial | Free | one-time |
| Lab4Physics Premium | $45.99 | one-time |
| Lab4U Premium | $45.99 | one-time |


### Surfari Pals App

[App page](https://appshunter.io/ios/app/surfari-pals-app/id1579599158)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lab4U free?

Lab4U is free to download, with in-app purchases available.

### Is Surfari Pals App free?

Surfari Pals App is free to download, with no in-app purchases.

### Do Lab4U or Surfari Pals App have ads?

Neither Lab4U nor Surfari Pals App shows ads.

### Which is updated more often, Lab4U or Surfari Pals App?

Lab4U ships an update every 2 weeks, and Surfari Pals App every 3 months. Most recently, Lab4U was updated on October 24, 2026 and Surfari Pals App on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*