# Chemistry Solver vs Write Japanese

The clearest difference is ads: Write Japanese at none against Chemistry Solver's shown. Write Japanese also leads on update cadence (every 5 weeks vs every 6 months). Chemistry Solver's advantage is iOS requirement (16.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chemistry Solver sells 2 in-app purchases, starting at $7.99 per 7 days and Write Japanese sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chemistry Solver ships an update every 6 months, Write Japanese every 5 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chemistry Solver | Write Japanese |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (8 ratings)](https://appshunter.io/ios/app/chemistry-solver-ai-chat/id6749854205/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 37 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jaan Lepik](https://appshunter.io/developer/1832473321) | [Meena Ranka](https://appshunter.io/developer/1858856675) |

## What reviewers say

### 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 |


### Write Japanese

[App page](https://appshunter.io/ios/app/write-japanese-capywrite/id6784248436)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CapyWrite Pro Weekly | $4.99 | per 7 days |
| CapyWrite Pro Yearly | $19.99 | per year |
| CapyWrite Lifetime Gift | $9.99 | one-time |
| CapyWrite Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Chemistry Solver free?

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

### Is Write Japanese free?

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

### Do Chemistry Solver or Write Japanese have ads?

Chemistry Solver shows ads; Write Japanese does not.

### Which is updated more often, Chemistry Solver or Write Japanese?

Chemistry Solver ships an update every 6 months, and Write Japanese every 5 weeks. Most recently, Chemistry Solver was updated on October 30, 2026 and Write Japanese on October 28, 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.*