# ZipGrade vs 数学口算练习

The clearest difference is price: ZipGrade at Free against 数学口算练习's $0.99. ZipGrade also leads on update cadence (every 6 weeks vs every 12 months) and rating (4.9 vs 4.5). 数学口算练习's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 13.0). On review sentiment, ads and device support there is nothing between them.

ZipGrade is free to download; 数学口算练习 costs $0.99 up front. ZipGrade sells 1 one-off in-app purchase. 数学口算练习 asks for nothing beyond the download.

ZipGrade holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: ZipGrade has 36K ratings behind it against 34, so its average is the more settled of the two. Written reviews complicate that: 86% of ZipGrade's written reviews are positive against 91% of 数学口算练习's, so the app with the better star average is not the one people write more warmly about.

ZipGrade ships an update every 6 weeks, 数学口算练习 every 12 months. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ZipGrade | 数学口算练习 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (36K ratings)](https://appshunter.io/ios/app/zipgrade/id635077270/reviews)** | [4.5 (34 ratings)](https://appshunter.io/ios/app/id1665809560/reviews) |
| Number of ratings | **36K** | 34 |
| Positive reviews | 85.7% of reviews | **90.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 37 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipGrade LLC](https://appshunter.io/developer/582826575) | [森 袁](https://appshunter.io/developer/513885536) |

## What reviewers say

### ZipGrade

[App page](https://appshunter.io/ios/app/zipgrade/id635077270)

Instantly grade multiple-choice tests and quizzes using your device's camera. This app offers a fast and accurate way for educators to assess student work, with features for organizing and exporting results. It provides immediate feedback to inform lesson planning and assignments.

**Highlights:** Instant grading with device camera, Supports multiple choice tests and quizzes, Organizes and exports results (PDF, Excel), Free answer sheet templates available, Companion website for data management, Stores results by student, subject, and quiz

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 1 year of use | $6.99 | one-time |

**What reviewers like**

- 🚀 Efficient grading
- 👍 Instant feedback for students
- 📊 Detailed data analysis
- 💰 Affordable subscription
- ⏱️ Time-saving

**What reviewers complain about**

- 🐛 Inconsistent scanning issues
- 🔍 Difficulty navigating interface
- 🔢 Lack of class/student grouping options
- 🖼️ Poor image quality for student names

**Reported bugs**

- Scanning issues with flat surface detection
- Incorrect answer marking due to eraser marks

**Requested features**

- Ability to change question point values in bulk
- Option to create/edit answer keys on website
- Support for non-multiple choice question types
- Improved data export/integration with other systems


### 数学口算练习

[App page](https://appshunter.io/ios/app/id1665809560)

This app offers a fun way for elementary school students to practice mental math and vertical calculations. It includes features like a practice log and a mistake notebook to help children improve their math skills through engaging activities.

**Highlights:** Mental math practice, Vertical calculation practice, Mistake notebook, Practice records, Math skill improvement, Early math education

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZipGrade free?

ZipGrade is free to download, with in-app purchases available.

### Is 数学口算练习 free?

数学口算练习 costs $0.99, with no in-app purchases.

### Which has better reviews, ZipGrade or 数学口算练习?

ZipGrade is rated higher. ZipGrade averages 4.9 out of 5 from 36K ratings, while 数学口算练习 averages 4.5 from 34 ratings.

### Do ZipGrade or 数学口算练习 have ads?

Neither ZipGrade nor 数学口算练习 shows ads.

### Which is updated more often, ZipGrade or 数学口算练习?

ZipGrade ships an update every 6 weeks, and 数学口算练习 every 12 months. Most recently, ZipGrade was updated on September 25, 2026 and 数学口算练习 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.*