# Lab4U vs PRIME 2.O

The clearest difference is update cadence: Lab4U at fortnightly against PRIME 2.O's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lab4U sells 4 one-off in-app purchases and PRIME 2.O sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lab4U ships an update fortnightly, PRIME 2.O every 9 months. The most recent releases landed on August 15, 2026 and February 8, 2026 respectively.

## The numbers

| Metric | Lab4U | PRIME 2.O |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 52 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lab4U, Inc.](https://appshunter.io/developer/1049405067) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## 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 |


### PRIME 2.O

[App page](https://appshunter.io/ios/app/prime-2o/id6740146608)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postal Mastery Course | $9.99 | one-time |


## Frequently asked questions

### Is Lab4U free?

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

### Is PRIME 2.O free?

PRIME 2.O is free to download, with in-app purchases available.

### Do Lab4U or PRIME 2.O have ads?

Neither Lab4U nor PRIME 2.O shows ads.

### Which is updated more often, Lab4U or PRIME 2.O?

Lab4U ships an update fortnightly, and PRIME 2.O every 9 months. Most recently, Lab4U was updated on August 15, 2026 and PRIME 2.O on February 8, 2026.

---

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