# 算24点：计算24点口算提高数学心算与速算 vs Blackjack Point Trainer

The clearest difference is ads: Blackjack Point Trainer at none against 算24点：计算24点口算提高数学心算与速算's shown. 算24点：计算24点口算提高数学心算与速算's advantage is update cadence (every 4 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

算24点：计算24点口算提高数学心算与速算 ships an update every 4 days, Blackjack Point Trainer every 5 weeks. The most recent releases landed on August 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 算24点：计算24点口算提高数学心算与速算 | Blackjack Point Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Size | 14 MB | 62 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [喜拉 任](https://appshunter.io/developer/1447216936) |

## What reviewers say

### 算24点：计算24点口算提高数学心算与速算

[App page](https://appshunter.io/ios/app/2424/id6746088583)

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

**In-app purchases:** none


### Blackjack Point Trainer

[App page](https://appshunter.io/ios/app/blackjack-point-trainer/id6792633378)

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

**In-app purchases:** none


## Frequently asked questions

### Is 算24点：计算24点口算提高数学心算与速算 free?

算24点：计算24点口算提高数学心算与速算 is free to download, with no in-app purchases.

### Is Blackjack Point Trainer free?

Blackjack Point Trainer is free to download, with no in-app purchases.

### Do 算24点：计算24点口算提高数学心算与速算 or Blackjack Point Trainer have ads?

算24点：计算24点口算提高数学心算与速算 shows ads; Blackjack Point Trainer does not.

### Which is updated more often, 算24点：计算24点口算提高数学心算与速算 or Blackjack Point Trainer?

算24点：计算24点口算提高数学心算与速算 ships an update every 4 days, and Blackjack Point Trainer every 5 weeks. Most recently, 算24点：计算24点口算提高数学心算与速算 was updated on August 5, 2026 and Blackjack Point Trainer on September 23, 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.*