# Complicated problem solving vs Unstoppable Influence

The clearest difference is update cadence: Complicated problem solving at every 9 days against Unstoppable Influence's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Complicated problem solving ships an update every 9 days, Unstoppable Influence every 2 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Complicated problem solving | Unstoppable Influence |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 48 MB | 35 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Unstoppable 365MFR Inc](https://appshunter.io/developer/1690618103) |

## What reviewers say

### Complicated problem solving

[App page](https://appshunter.io/ios/app/complicated-problem-solving/id1526663206)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unstoppable Influence

[App page](https://appshunter.io/ios/app/unstoppable-influence/id6670311784)

**In-app purchases:** none


## Frequently asked questions

### Is Complicated problem solving free?

Complicated problem solving is free to download, with no in-app purchases.

### Is Unstoppable Influence free?

Unstoppable Influence is free to download, with no in-app purchases.

### Do Complicated problem solving or Unstoppable Influence have ads?

Neither Complicated problem solving nor Unstoppable Influence shows ads.

### Which is updated more often, Complicated problem solving or Unstoppable Influence?

Complicated problem solving ships an update every 9 days, and Unstoppable Influence every 2 months. Most recently, Complicated problem solving was updated on October 6, 2026 and Unstoppable Influence on September 30, 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.*