# Chemistry Pro vs Safe4Sure

The clearest difference is in-app purchases: Safe4Sure at none against Chemistry Pro's 5. Safe4Sure also leads on ads (none vs shown) and update cadence (every 11 days vs every 2 months). Chemistry Pro's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Chemistry Pro sells 5 in-app purchases, starting at $4.99 per 7 days. Safe4Sure asks for nothing beyond the download.

Chemistry Pro ships an update every 2 months, Safe4Sure every 11 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chemistry Pro | Safe4Sure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/chemistry-pro/id1588453081/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 85 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ali Umer](https://appshunter.io/developer/1584417594) | [Safe4Sure AI Limited](https://appshunter.io/developer/1893260953) |

## What reviewers say

### Chemistry Pro

[App page](https://appshunter.io/ios/app/chemistry-pro/id1588453081)

Learn chemistry from basic to advanced topics with offline access. This app offers hundreds of lessons in English, covering chemistry in everyday life. Unlock premium features and advanced lessons through in-app purchases or subscriptions.

**Highlights:** Hundreds of chemistry topics, Offline access, Learn from basics to advanced, Chemistry in life lessons, Review mode, In-app purchases for premium content

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry | $4.99 | per 7 days |
| Chemistry | $6.99 | per month |
| Chemistry | $29.99 | per year |
| Chemistry | $2.99 | one-time |
| Chemistry | $49.99 | one-time |


### Safe4Sure

[App page](https://appshunter.io/ios/app/safe4sure/id6762605662)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chemistry Pro free?

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

### Is Safe4Sure free?

Safe4Sure is free to download, with no in-app purchases.

### Do Chemistry Pro or Safe4Sure have ads?

Chemistry Pro shows ads; Safe4Sure does not.

### Which is updated more often, Chemistry Pro or Safe4Sure?

Chemistry Pro ships an update every 2 months, and Safe4Sure every 11 days. Most recently, Chemistry Pro was updated on November 3, 2026 and Safe4Sure 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.*