# 错题机H2 vs GradePulse：AI Homework Helper

The clearest difference is review sentiment: GradePulse：AI Homework Helper at 64% against 错题机H2's 0%. GradePulse：AI Homework Helper also leads on rating (5.0 vs 1.5). 错题机H2's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. GradePulse：AI Homework Helper sells 4 in-app purchases, starting at $6.99 per 7 days. 错题机H2 asks for nothing beyond the download.

GradePulse：AI Homework Helper holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 0% of 错题机H2's written reviews are positive against 64% of GradePulse：AI Homework Helper's.

错题机H2 ships an update every 5 weeks, GradePulse：AI Homework Helper every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 错题机H2 | GradePulse：AI Homework Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/h2/id1585629795/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gradepulseai-homework-helper/id1598835335/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | **63.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 264 MB | 94 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [厦门爱立得科技有限公司](https://appshunter.io/developer/1354877112) | [Hangzhou Keyi Network Technology Co., Ltd](https://appshunter.io/developer/1413640329) |

## What reviewers say

### 错题机H2

[App page](https://appshunter.io/ios/app/h2/id1585629795)

This app combines learning, office productivity, and daily life tools. It pairs with a mini printer for inkless printing of notes, labels, and photos. Features include error correction, document editing, and text recognition.

**Highlights:** Error correction printing, Cloud-based error notebook, Chinese traditional culture learning, Foreign language learning with pronunciation, Document editing and printing, Text recognition from images, Label and photo printing, Daily planner and to-do lists

**Features:** macOS Compatibility

**In-app purchases:** none


### GradePulse：AI Homework Helper

[App page](https://appshunter.io/ios/app/gradepulseai-homework-helper/id1598835335)

This AI-powered tool helps students master subjects by removing handwriting from documents, solving problems with step-by-step explanations, and organizing mistakes for targeted review. It digitizes papers and provides a personalized study plan to improve academic performance.

**Highlights:** Magic handwriting remover, AI instant homework solver, Smart error book for mistakes, HD document scanner, Step-by-step explanations, Personalized study plans

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 错题本周订阅 | $6.99 | per 7 days |
| 错题本季会员 | $7.99 | per 3 months |
| 错题本年会员 | $29.99 | per year |
| 错题打印机-永久会员 | $39.99 | one-time |


## Frequently asked questions

### Is 错题机H2 free?

错题机H2 is free to download, with no in-app purchases.

### Is GradePulse：AI Homework Helper free?

GradePulse：AI Homework Helper is free to download, with in-app purchases available.

### Which has better reviews, 错题机H2 or GradePulse：AI Homework Helper?

GradePulse：AI Homework Helper is rated higher. 错题机H2 averages 1.5 out of 5 from 2 ratings, while GradePulse：AI Homework Helper averages 5.0 from 3 ratings.

### Do 错题机H2 or GradePulse：AI Homework Helper have ads?

Neither 错题机H2 nor GradePulse：AI Homework Helper shows ads.

### Which is updated more often, 错题机H2 or GradePulse：AI Homework Helper?

错题机H2 ships an update every 5 weeks, and GradePulse：AI Homework Helper every 2 months. Most recently, 错题机H2 was updated on November 3, 2026 and GradePulse：AI Homework Helper on November 3, 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.*