# 好运打卡 vs Math

The clearest difference is price: 好运打卡 at Free against Math's $0.99. Math's advantage is update cadence (fortnightly vs every 6 months) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

好运打卡 is free to download; Math costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

好运打卡 ships an update every 6 months, Math fortnightly. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 好运打卡 | Math |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | — | Paid |
| Size | 6 MB | 36 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [椿杰 周](https://appshunter.io/developer/1348681110) | [仲达 夏](https://appshunter.io/developer/1436433399) |

## What reviewers say

### 好运打卡

[App page](https://appshunter.io/ios/app/id6463002199)

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

**In-app purchases:** none


### Math

[App page](https://appshunter.io/ios/app/math-exercises/id6757855175)

Generate and print custom math practice problems for children. Covers various operations from basic arithmetic to fractions and percentages, with adjustable difficulty and format. Ideal for parents and teachers seeking paper-based learning tools.

**Highlights:** Generate printable math exercises, Supports addition, subtraction, multiplication, division, Includes fractions, decimals, and percentages, Customizable problem count and page number, One-click printing functionality, Save favorite practice types

**In-app purchases:** none


## Frequently asked questions

### Is 好运打卡 free?

好运打卡 is free to download, with no in-app purchases.

### Is Math free?

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

### Do 好运打卡 or Math have ads?

Neither 好运打卡 nor Math shows ads.

### Which is updated more often, 好运打卡 or Math?

好运打卡 ships an update every 6 months, and Math fortnightly. Most recently, 好运打卡 was updated on October 27, 2026 and Math on October 21, 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.*