# MathLens vs Pinu

The clearest difference is monetization model: Pinu at free against MathLens's free with in-app purchases. Pinu also leads on rating (4.2 vs 4.0) and chart position (#58 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. MathLens sells 2 in-app purchases, starting at $4.99 per 7 days and Pinu sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pinu holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Pinu has 43 ratings behind it against 6, so its average is the more settled of the two.

MathLens ships an update every 2 weeks, Pinu every 10 days. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MathLens | Pinu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/mathlens-camera-math-solver/id6756100816/reviews) | **[4.2 (43 ratings)](https://appshunter.io/ios/app/pinu-language-learning/id6758291757/reviews)** |
| Number of ratings | 6 | **43** |
| Positive reviews | — | 52.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#58** |
| Size | 48 MB | 142 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DNG SOFT COMPANY LIMITED](https://appshunter.io/developer/1757595500) | [LEAF BOAT TECHNOLOGY LIMITED](https://appshunter.io/developer/1710999754) |

## What reviewers say

### MathLens

[App page](https://appshunter.io/ios/app/mathlens-camera-math-solver/id6756100816)

Instantly solve math problems by scanning them with your camera. Get detailed step-by-step explanations and visualize functions with an interactive graphing calculator. Supports a wide range of math subjects from pre-algebra to calculus.

**Highlights:** Instant problem scanning via camera, Detailed step-by-step explanations, Interactive graphing calculator, Supports multiple math subjects, AI helper for other subjects, Handwritten and printed text recognition

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathLens Pro | $4.99 | per 7 days |
| MathLens Pro | $49.99 | per year |


### Pinu

[App page](https://appshunter.io/ios/app/pinu-language-learning/id6758291757)

**Currently charting:** #58 Top Free · Education (US App Store)

This app transforms language learning into a fun, game-like experience. It focuses on interactive lessons and real-world speaking practice to build confidence. Learn a new language step-by-step with a supportive virtual buddy.

**Highlights:** Gamified learning journey, Interactive map-based lessons, Virtual language buddy support, Real-world speaking practice, Instant feedback on exercises, Progressive language acquisition

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pinu - Languages Learning | $4.99 | per 7 days |
| Pinu | $15.99 | per month |
| Pinu | $15.99 | per month |
| Pinu | $99.99 | per year |
| Pinu | $99.99 | per year |
| Avatar Outfit Set | $1.99 | one-time |


## Frequently asked questions

### Is MathLens free?

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

### Is Pinu free?

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

### Which has better reviews, MathLens or Pinu?

Pinu is rated higher. MathLens averages 4.0 out of 5 from 6 ratings, while Pinu averages 4.2 from 43 ratings.

### Do MathLens or Pinu have ads?

Neither MathLens nor Pinu shows ads.

### Which is updated more often, MathLens or Pinu?

MathLens ships an update every 2 weeks, and Pinu every 10 days. Most recently, MathLens was updated on September 30, 2026 and Pinu on October 10, 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.*