# protostar vs 筆順戰士

The clearest difference is in-app purchases: 筆順戰士 at none against protostar's 1. 筆順戰士 also leads on device support (3 vs 1). protostar's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (10 vs 14.0). On price and ads there is nothing between them.

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

protostar ships an update every 3 weeks, 筆順戰士 every 5 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | protostar | 筆順戰士 |
| --- | --- | --- |
| 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 | Yes |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 77 MB |
| Requires iOS | **10** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Longzhe Education Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1504821937) | [Secmenu Technology Limited](https://appshunter.io/developer/964395558) |

## 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 |


### 筆順戰士

[App page](https://appshunter.io/ios/app/id6752928069)

**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 筆順戰士 free?

筆順戰士 is free to download, with no in-app purchases.

### Do protostar or 筆順戰士 have ads?

Both protostar and 筆順戰士 show ads.

### Which is updated more often, protostar or 筆順戰士?

protostar ships an update every 3 weeks, and 筆順戰士 every 5 months. Most recently, protostar was updated on October 21, 2026 and 筆順戰士 on October 11, 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.*