# Math Orbs vs bladetrader 刀派訓練營

The clearest difference is price: bladetrader 刀派訓練營 at Free against Math Orbs's $0.99. bladetrader 刀派訓練營 also leads on update cadence (every 4 days vs weekly). Math Orbs's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

bladetrader 刀派訓練營 is free to download; Math Orbs costs $0.99 up front. bladetrader 刀派訓練營 sells 4 one-off in-app purchases. Math Orbs asks for nothing beyond the download.

Math Orbs ships an update weekly, bladetrader 刀派訓練營 every 4 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Math Orbs | bladetrader 刀派訓練營 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/math-orbs/id6475911131/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Paid | — |
| Size | 72 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowledge Vortex, LLC](https://appshunter.io/developer/1725396723) | [chensen chao](https://appshunter.io/developer/6775595944) |

## What reviewers say

### Math Orbs

[App page](https://appshunter.io/ios/app/math-orbs/id6475911131)

This app offers Grade 1-6 algebra practice for children, allowing parents to track progress and identify areas of difficulty. It features interactive quests, collectible orbs, and a virtual scratchpad for calculations, making learning engaging and eliminating the need for workbooks.

**Highlights:** Grade 1-6 algebra practice, Parental progress tracking, Identify areas of struggle, Interactive quests, Collectible orbs, Virtual scratchpad

**Features:** Vision Pro support

**In-app purchases:** none


### bladetrader 刀派訓練營

[App page](https://appshunter.io/ios/app/bladetrader/id6775595942)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stage 1 基礎解鎖 | $9.99 | one-time |
| Stage 3 原油解鎖 | $9.99 | one-time |
| Stage 4 畢業解鎖 | $9.99 | one-time |
| Stage 2 黃金解鎖 | $9.99 | one-time |


## Frequently asked questions

### Is Math Orbs free?

Math Orbs costs $0.99, with no in-app purchases.

### Is bladetrader 刀派訓練營 free?

bladetrader 刀派訓練營 is free to download, with in-app purchases available.

### Do Math Orbs or bladetrader 刀派訓練營 have ads?

Neither Math Orbs nor bladetrader 刀派訓練營 shows ads.

### Which is updated more often, Math Orbs or bladetrader 刀派訓練營?

Math Orbs ships an update weekly, and bladetrader 刀派訓練營 every 4 days. Most recently, Math Orbs was updated on October 2, 2026 and bladetrader 刀派訓練營 on September 30, 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.*