# Ninimaths vs Chemistry Solver

The clearest difference is rating: Ninimaths at 4.9 against Chemistry Solver's 3.1. Ninimaths also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Ninimaths sells 3 one-off in-app purchases and Chemistry Solver sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ninimaths holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Ninimaths has 45 ratings behind it against 7, so its average is the more settled of the two.

Ninimaths ships an update every 2 months, Chemistry Solver every 6 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Ninimaths | Chemistry Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (45 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/chemistry-solver-ai-chat/id6749854205/reviews) |
| Number of ratings | **45** | 7 |
| Positive reviews | 97.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 41 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [Jaan Lepik](https://appshunter.io/developer/1832473321) |

## What reviewers say

### Ninimaths

[App page](https://appshunter.io/ios/app/ninimaths/id647989498)

Enhance your mental arithmetic skills with a variety of calculation modes. Practice addition, subtraction, multiplication, and division with customizable number ranges and column display. Track your progress with daily scores and compete with others through a ranking system.

**Highlights:** Multiple calculation modes (add, subtract, multiply, divide, mix), Customizable number ranges (1-5 digits), Column display format, Daily score recording and graphing, Game Center ranking, Time trial mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Hamburger | $1.99 | one-time |
| Ramen | $4.99 | one-time |


### Chemistry Solver

[App page](https://appshunter.io/ios/app/chemistry-solver-ai-chat/id6749854205)

Instantly solve chemistry problems by scanning text or images. Access detailed information on chemical elements and receive real-time, step-by-step explanations for complex questions. Designed for homework, exams, and research.

**Highlights:** High-speed scanning for text and images, Detailed element profiles, Real-time problem-solving, Step-by-step explanations, Interactive periodic table

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry Solver - AI Chat | $7.99 | per 7 days |
| Chemistry Solver - AI Chat | $8.99 | per 7 days |


## Frequently asked questions

### Is Ninimaths free?

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

### Is Chemistry Solver free?

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

### Which has better reviews, Ninimaths or Chemistry Solver?

Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 45 ratings, while Chemistry Solver averages 3.1 from 7 ratings.

### Do Ninimaths or Chemistry Solver have ads?

Chemistry Solver shows ads; Ninimaths does not.

### Which is updated more often, Ninimaths or Chemistry Solver?

Ninimaths ships an update every 2 months, and Chemistry Solver every 6 months. Most recently, Ninimaths was updated on October 20, 2026 and Chemistry Solver on October 16, 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.*