# Ratio & Proportion Calculator vs AI Math Solver・Solve by Camera

Ratio & Proportion Calculator and AI Math Solver・Solve by Camera both sit at 4.7 stars, but that hides the real split: 67% of Ratio & Proportion Calculator's written reviews are positive against 11% of AI Math Solver・Solve by Camera's. Ratio & Proportion Calculator also leads on monetization model (free with in-app purchases vs subscription) and ads (none vs shown). AI Math Solver・Solve by Camera's advantage is ratings volume (313 vs 16). On price, rating, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Ratio & Proportion Calculator sells 8 one-off in-app purchases and AI Math Solver・Solve by Camera sells 22 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ratio & Proportion Calculator holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: AI Math Solver・Solve by Camera has 313 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 67% of Ratio & Proportion Calculator's written reviews are positive against 11% of AI Math Solver・Solve by Camera's.

Ratio & Proportion Calculator ships an update every 3 weeks, AI Math Solver・Solve by Camera every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ratio & Proportion Calculator | AI Math Solver・Solve by Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/ratio-and-proportion-calculator/id1497341674/reviews)** | [4.5 (313 ratings)](https://appshunter.io/ios/app/ai-math-solversolve-by-camera/id1634193091/reviews) |
| Number of ratings | 16 | **313** |
| Positive reviews | **66.7% of reviews** | 11.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 180 MB | 177 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Ratio & Proportion Calculator

[App page](https://appshunter.io/ios/app/ratio-and-proportion-calculator/id1497341674)

Easily solve proportion problems by entering three of the four variables. This app provides detailed step-by-step solutions and saves all your calculations in a history for later review. Fractions, decimals, and constants are supported.

**Highlights:** Solve proportions with 3 variables, Detailed solution steps, Calculation history, Supports fractions and decimals, Option to remove ads

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


### AI Math Solver・Solve by Camera

[App page](https://appshunter.io/ios/app/ai-math-solversolve-by-camera/id1634193091)

Instantly solve math problems by taking a photo of the equation. Get step-by-step solutions, interactive graphs, and quizzes to enhance your understanding. Supports various math topics from arithmetic to calculus.

**Highlights:** Camera math problem solving, Step-by-step solution breakdowns, Interactive graphs, Quizzes and progress tracking, Supports printed and handwritten problems, Covers arithmetic, algebra, geometry, calculus, and more

**Features:** Vision Pro support

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $0.99 | per 7 days |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $2.99 | per 7 days |
| Solve Algebra, Quick Answer | $3.99 | per 7 days |
| Solve Algebra, Quick Answer | $3.99 | per 7 days |
| Unlimited access | $3.99 | per 7 days |
| Solve Algebra, Quick Answer | $4.99 | per 7 days |
| Solve Algebra, Quick Answer | $4.99 | per 7 days |
| Access to a Premium features | $4.99 | per 7 days |
| Access to a premium features | $5.99 | per 7 days |
| Access to a Premium features | $6.99 | per 7 days |
| Access to a Premium features | $7.99 | per 7 days |
| Access to a Premium features | $8.99 | per 7 days |
| Solve Algebra, Quick Answer | $9.99 | per month |
| Access to a premium features | $9.99 | per year |
| Solve Algebra, Quick Answer | $19.99 | per year |
| Access to a Premium Features | $19.99 | per month |
| Unlimited access | $19.99 | per year |
| Access to a Premium features | $29.99 | per month |
| Unlimited access | $29.99 | per year |
| Unlimited access | $39.99 | per year |
| Unlimited access | $49.99 | per year |


## Frequently asked questions

### Is Ratio & Proportion Calculator free?

Ratio & Proportion Calculator is free to download, with in-app purchases available.

### Is AI Math Solver・Solve by Camera free?

AI Math Solver・Solve by Camera is free to download, with in-app purchases available.

### Which has better reviews, Ratio & Proportion Calculator or AI Math Solver・Solve by Camera?

Ratio & Proportion Calculator is rated higher. Ratio & Proportion Calculator averages 4.7 out of 5 from 16 ratings, while AI Math Solver・Solve by Camera averages 4.5 from 313 ratings.

### Do Ratio & Proportion Calculator or AI Math Solver・Solve by Camera have ads?

AI Math Solver・Solve by Camera shows ads; Ratio & Proportion Calculator does not.

### Which is updated more often, Ratio & Proportion Calculator or AI Math Solver・Solve by Camera?

Ratio & Proportion Calculator ships an update every 3 weeks, and AI Math Solver・Solve by Camera every 2 months. Most recently, Ratio & Proportion Calculator was updated on October 25, 2026 and AI Math Solver・Solve by Camera on October 24, 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.*