# i临帖 vs AI Math Solver+

The clearest difference is price: AI Math Solver+ at Free against i临帖's $0.99. AI Math Solver+ also leads on update cadence (fortnightly vs every 6 weeks). i临帖's advantage is in-app purchases (none vs 6). On ads, device support and iOS requirement there is nothing between them.

AI Math Solver+ is free to download; i临帖 costs $0.99 up front. AI Math Solver+ sells 6 in-app purchases, starting at $5.99 per 7 days. i临帖 asks for nothing beyond the download.

i临帖 ships an update every 6 weeks, AI Math Solver+ fortnightly. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | i临帖 | AI Math Solver+ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.6 (352 ratings)](https://appshunter.io/ios/app/ai-math-solver-plus/id6480126504/reviews)** |
| Number of ratings | — | **352** |
| Positive reviews | — | 70.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 46 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [小龙 高](https://appshunter.io/developer/425705314) | [Best mobile app, MB](https://appshunter.io/developer/1472730991) |

## What reviewers say

### i临帖

[App page](https://appshunter.io/ios/app/i/id1388329473)

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

**In-app purchases:** none


### AI Math Solver+

[App page](https://appshunter.io/ios/app/ai-math-solver-plus/id6480126504)

Instantly solve math problems by taking a photo. Get detailed, step-by-step AI-powered solutions for a wide range of math topics. Ideal for students, teachers, and parents needing math assistance.

**Highlights:** Instant photo math problem solution, Step-by-step explanations, Covers a wide range of math topics, Built-in graphing calculator, Interactive user interface, Homework helper, Parental support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Math Solver⁺ Unlimited | $5.99 | per 7 days |
| AI Math Solver⁺ Unlimited | $9.99 | per month |
| AI Math Solver+ Unlimited | $9.99 | per month |
| AI Math Solver⁺ Unlimited | $19.99 | per month |
| AI Math Solver+ Unlimited | $29.99 | per year |
| AI Math Solver+ Unlimited | $49.99 | per year |

**What reviewers like**

- ✅ Accurate math solutions for basic to intermediate problems
- 📝 Clear step-by-step explanations of solutions
- 🎯 Excellent handwriting recognition
- 👍 User-friendly and easy to use interface
- 🆓 Free scans available for users

**What reviewers complain about**

- 💰 Requires paid membership after limited free uses
- 🔢 Limited free scans (3-5 pictures only)
- ❌ Inaccurate with advanced math (geometry, trigonometry)
- 🐢 Slow performance for quick homework completion
- 🚫 Referral bonus system not working as advertised

**Reported bugs**

- Ad-watching doesn't consistently grant promised free scans
- Referral system fails to provide bonus scans
- Incorrect answers for geometry and trigonometry problems
- Slow image processing for quick problem solving

**Requested features**

- Increase free scan limit without subscription
- Improve geometry and trigonometry problem solving
- Fix referral/sharing bonus system for free scans
- Enhance college-level math support
- More reliable ad-based free scan system


## Frequently asked questions

### Is i临帖 free?

i临帖 costs $0.99, with no in-app purchases.

### Is AI Math Solver+ free?

AI Math Solver+ is free to download, with in-app purchases available.

### Do i临帖 or AI Math Solver+ have ads?

Neither i临帖 nor AI Math Solver+ shows ads.

### Which is updated more often, i临帖 or AI Math Solver+?

i临帖 ships an update every 6 weeks, and AI Math Solver+ fortnightly. Most recently, i临帖 was updated on October 12, 2026 and AI Math Solver+ on October 17, 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.*