# oee.ai vs Problem Solving MFG

The clearest difference is in-app purchases: oee.ai at none against Problem Solving MFG's 1. Problem Solving MFG's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

oee.ai ships an update every 2 months, Problem Solving MFG every 3 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | oee.ai | Problem Solving MFG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 23 MB | 34 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ifp Software GmbH](https://appshunter.io/developer/1747927708) | [Lionel Moss](https://appshunter.io/developer/1806356846) |

## What reviewers say

### oee.ai

[App page](https://appshunter.io/ios/app/oeeai/id6503070126)

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

**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 oee.ai free?

oee.ai 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 oee.ai or Problem Solving MFG have ads?

Neither oee.ai nor Problem Solving MFG shows ads.

### Which is updated more often, oee.ai or Problem Solving MFG?

oee.ai ships an update every 2 months, and Problem Solving MFG every 3 weeks. Most recently, oee.ai was updated on September 21, 2026 and Problem Solving MFG on September 14, 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.*