# Find Missing Addends Or Sum vs Experimentor

The clearest difference is in-app purchases: Find Missing Addends Or Sum at none against Experimentor's 6. Find Missing Addends Or Sum also leads on iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Experimentor sells 6 one-off in-app purchases. Find Missing Addends Or Sum asks for nothing beyond the download.

## The numbers

| Metric | Find Missing Addends Or Sum | Experimentor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 34 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Feraco media Inc.](https://appshunter.io/developer/497957884) |

## What reviewers say

### Find Missing Addends Or Sum

[App page](https://appshunter.io/ios/app/find-missing-addends-or-sum/id6702024727)

**Features:** macOS Compatibility

**In-app purchases:** none


### Experimentor

[App page](https://appshunter.io/ios/app/experimentor/id6761420708)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forces & Motion Lab Pack | $2.99 | one-time |
| Waves & Sound Lab Pack | $2.99 | one-time |
| Earth & Weather Lab Pack | $2.99 | one-time |
| Energy Lab Pack | $2.99 | one-time |
| Magnets & Fields Lab Pack | $2.99 | one-time |
| All Lab Packs | $9.99 | one-time |


## Frequently asked questions

### Is Find Missing Addends Or Sum free?

Find Missing Addends Or Sum is free to download, with no in-app purchases.

### Is Experimentor free?

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

### Do Find Missing Addends Or Sum or Experimentor have ads?

Neither Find Missing Addends Or Sum nor Experimentor shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*