# Chemical Solution Simple vs APPangea

The clearest difference is price: APPangea at Free against Chemical Solution Simple's $2.99. APPangea also leads on update cadence (monthly vs every 3 months) and ratings volume (6 vs 1). Chemical Solution Simple's advantage is rating (5.0 vs 4.5) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

APPangea is free to download; Chemical Solution Simple costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chemical Solution Simple holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: APPangea has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Chemical Solution Simple's written reviews are positive against 85% of APPangea's.

Chemical Solution Simple ships an update every 3 months, APPangea monthly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Chemical Solution Simple | APPangea |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemical-solution-simple/id1080912267/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/appangea/id1489250931/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | **100.0% of reviews** | 84.6% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Ad-supported** |
| Size | 1 MB | 178 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [Juan Peralta](https://appshunter.io/developer/1489250930) |

## What reviewers say

### Chemical Solution Simple

[App page](https://appshunter.io/ios/app/chemical-solution-simple/id1080912267)

This app assists in preparing chemical solutions through dissolution and dilution. It calculates moles, molar masses, required solute weights, and starting solution volumes, supporting various concentration units.

**Highlights:** Solution preparation by dissolution, Solution preparation by dilution, Mole calculation, Molar mass analysis, Required solute weight calculation, Starting solution volume calculation, Supports Molar, mM, uM, g/l, mg/l units

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

**In-app purchases:** none


### APPangea

[App page](https://appshunter.io/ios/app/appangea/id1489250931)

Learn geography through interactive games and challenges designed by expert teachers. Compete with yourself and others while exploring diverse regions and historical content, all presented with engaging map-based questions.

**Highlights:** Interactive geography games, Expert-designed curriculum, Map-based questions, Competitive play, Progress tracking, Diverse regional content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Solution Simple free?

Chemical Solution Simple costs $2.99, with no in-app purchases.

### Is APPangea free?

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

### Which has better reviews, Chemical Solution Simple or APPangea?

Chemical Solution Simple is rated higher. Chemical Solution Simple averages 5.0 out of 5 from 1 ratings, while APPangea averages 4.5 from 6 ratings.

### Do Chemical Solution Simple or APPangea have ads?

APPangea shows ads; Chemical Solution Simple does not.

### Which is updated more often, Chemical Solution Simple or APPangea?

Chemical Solution Simple ships an update every 3 months, and APPangea monthly. Most recently, Chemical Solution Simple was updated on October 10, 2026 and APPangea on October 3, 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.*