# Math vs 棱镜日历

The clearest difference is price: 棱镜日历 at Free against Math's $0.99. Math's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On update cadence and ads there is nothing between them.

棱镜日历 is free to download; Math costs $0.99 up front. 棱镜日历 sells 3 in-app purchases, starting at $1.99 per month. Math asks for nothing beyond the download.

Math ships an update fortnightly, 棱镜日历 every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Math | 棱镜日历 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 36 MB | 74 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [仲达 夏](https://appshunter.io/developer/1436433399) | [浩 赵](https://appshunter.io/developer/6775506195) |

## What reviewers say

### 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


### 棱镜日历

[App page](https://appshunter.io/ios/app/id6787911435)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度 pro | $1.99 | per month |
| 年度 Pro | $14.99 | per year |
| 山河月明皮肤 | $0.99 | one-time |


## Frequently asked questions

### Is Math free?

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

### Is 棱镜日历 free?

棱镜日历 is free to download, with in-app purchases available.

### Do Math or 棱镜日历 have ads?

Neither Math nor 棱镜日历 shows ads.

### Which is updated more often, Math or 棱镜日历?

Math ships an update fortnightly, and 棱镜日历 every 2 weeks. Most recently, Math was updated on November 5, 2026 and 棱镜日历 on October 31, 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.*