# Triz Innovation vs Problem Solving MFG

The clearest difference is in-app purchases: Triz Innovation at none against Problem Solving MFG's 1. Triz Innovation also leads on iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Problem Solving MFG sells 1 in-app purchase, starting at $142.99 per year. Triz Innovation asks for nothing beyond the download.

## The numbers

| Metric | Triz Innovation | Problem Solving MFG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 10 MB | 34 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kalpesh Sheth](https://appshunter.io/developer/1278898931) | [Lionel Moss](https://appshunter.io/developer/1806356846) |

## What reviewers say

### Triz Innovation

[App page](https://appshunter.io/ios/app/triz-innovation/id1317189841)

**Features:** macOS Compatibility

**In-app purchases:** none


### Problem Solving MFG

[App page](https://appshunter.io/ios/app/problem-solving-mfg/id6503246775)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $142.99 | per year |


## Frequently asked questions

### Is Triz Innovation free?

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

### Is Problem Solving MFG free?

Problem Solving MFG is free to download, with in-app purchases available.

### Do Triz Innovation or Problem Solving MFG have ads?

Neither Triz Innovation nor Problem Solving MFG 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.*