# CloudLabs Weak Acids and Bases vs FeynmanStudy

The clearest difference is in-app purchases: CloudLabs Weak Acids and Bases at none against FeynmanStudy's 3. CloudLabs Weak Acids and Bases also leads on iOS requirement (9.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. FeynmanStudy sells 3 in-app purchases, starting at $10.00 per 7 days. CloudLabs Weak Acids and Bases asks for nothing beyond the download.

## The numbers

| Metric | CloudLabs Weak Acids and Bases | FeynmanStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | — |
| Size | 79 MB | 53 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [AlphaByte, Inc.](https://appshunter.io/developer/1655052816) |

## What reviewers say

### CloudLabs Weak Acids and Bases

[App page](https://appshunter.io/ios/app/cloudlabs-weak-acids-and-bases/id1596507143)

**Features:** macOS Compatibility

**In-app purchases:** none


### FeynmanStudy

[App page](https://appshunter.io/ios/app/feynmanstudy/id6753349250)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $10.00 | per 7 days |
| Monthly | $40.00 | per month |
| Yearly | $479.99 | per year |


## Frequently asked questions

### Is CloudLabs Weak Acids and Bases free?

CloudLabs Weak Acids and Bases is free to download, with no in-app purchases.

### Is FeynmanStudy free?

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

### Do CloudLabs Weak Acids and Bases or FeynmanStudy have ads?

Neither CloudLabs Weak Acids and Bases nor FeynmanStudy shows ads.

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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.*