# iPeriodic for iPhone vs The Compound Microscope G8

The clearest difference is in-app purchases: The Compound Microscope G8 at none against iPeriodic for iPhone's 1. iPeriodic for iPhone's advantage is iOS requirement (6.1 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. iPeriodic for iPhone sells 1 one-off in-app purchase. The Compound Microscope G8 asks for nothing beyond the download.

## The numbers

| Metric | iPeriodic for iPhone | The Compound Microscope G8 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 16 MB | 24 MB |
| Requires iOS | **6.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thitipong Wongsatho](https://appshunter.io/developer/683911170) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### iPeriodic for iPhone

[App page](https://appshunter.io/ios/app/iperiodic-for-iphone/id963558647)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads ($0.99) | $0.99 | one-time |


### The Compound Microscope G8

[App page](https://appshunter.io/ios/app/the-compound-microscope-g8/id6744307104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPeriodic for iPhone free?

iPeriodic for iPhone is free to download, with in-app purchases available.

### Is The Compound Microscope G8 free?

The Compound Microscope G8 is free to download, with no in-app purchases.

### Do iPeriodic for iPhone or The Compound Microscope G8 have ads?

Neither iPeriodic for iPhone nor The Compound Microscope G8 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.*