# protostar vs Popular Group

The clearest difference is in-app purchases: Popular Group at none against protostar's 1. Popular Group also leads on ads (none vs shown) and device support (3 vs 1). protostar's advantage is iOS requirement (10 vs 15.6). On price and update cadence there is nothing between them.

Both are free to download. protostar sells 1 one-off in-app purchase. Popular Group asks for nothing beyond the download.

protostar ships an update every 3 weeks, Popular Group every 5 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | protostar | Popular Group |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protostar/id1504821938/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 12 MB |
| Requires iOS | **10** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Longzhe Education Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1504821937) | [Dreamware Limited](https://appshunter.io/developer/892413586) |

## What reviewers say

### protostar

[App page](https://appshunter.io/ios/app/protostar/id1504821938)

This educational app is designed for students aged 7-12, offering a platform for watching learning videos and playing interactive games. It is exclusively for users of the protostar education company and is available on iPad.

**Highlights:** Learning videos, Educational games, Preview content, Review content, Designed for ages 7-12

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protostar English Course | $299.99 | one-time |


### Popular Group

[App page](https://appshunter.io/ios/app/popular-group/id6535680459)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is protostar free?

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

### Is Popular Group free?

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

### Do protostar or Popular Group have ads?

protostar shows ads; Popular Group does not.

### Which is updated more often, protostar or Popular Group?

protostar ships an update every 3 weeks, and Popular Group every 5 weeks. Most recently, protostar was updated on October 4, 2026 and Popular Group on October 13, 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.*