# Cranky Uncle vs FullOut

The clearest difference is in-app purchases: Cranky Uncle at none against FullOut's 1. Cranky Uncle also leads on iOS requirement (11.0 vs 17.6). FullOut's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. FullOut sells 1 one-off in-app purchase. Cranky Uncle asks for nothing beyond the download.

Cranky Uncle ships an update every 4 months, FullOut every 2 weeks. The most recent releases landed on October 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Cranky Uncle | FullOut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (25 ratings)](https://appshunter.io/ios/app/cranky-uncle/id1531525625/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 38.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 6 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Skeptical Science](https://appshunter.io/developer/1531525867) | [Theo Dost](https://appshunter.io/developer/1891709520) |

## What reviewers say

### Cranky Uncle

[App page](https://appshunter.io/ios/app/cranky-uncle/id1531525625)

Learn to identify and counter common arguments and conspiracy theories used to deny science. By understanding the tactics of misinformation, you can become more resilient against false claims about topics like climate change, evolution, and vaccination.

**Highlights:** Identify rhetorical techniques, Spot logical fallacies, Counter science denial arguments, Build resilience against misinformation, Learn about climate change denial, Understand evolution denial tactics

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

**In-app purchases:** none

**What reviewers like**

- 💡 Great concept for learning
- 👍 Fun and engaging way to learn
- 🧠 Teaches critical thinking skills
- 🎯 Effective against misinformation
- 😂 Humorous and engaging content

**What reviewers complain about**

- 🐛 App doesn't work for many
- 🐛 Blank screens and loading issues
- 🐛 Incoherent and untested
- 🐛 Dialogue boxes don't fit screens
- 🐛 Requires email sign-in

**Reported bugs**

- App stuck on start/loading screen
- Blank screens after sign-in
- Quizzes not loading
- Dialogue boxes not fitting on screen
- App crashes on submit

**Requested features**

- More polish and refinement
- More levels and content
- International users need familiar references
- Reconsider encouraging quick answers for points
- Add dark mode option


### FullOut

[App page](https://appshunter.io/ios/app/fullout/id6761836729)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FullOut Pro | $0.99 | one-time |


## Frequently asked questions

### Is Cranky Uncle free?

Cranky Uncle is free to download, with no in-app purchases.

### Is FullOut free?

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

### Do Cranky Uncle or FullOut have ads?

Neither Cranky Uncle nor FullOut shows ads.

### Which is updated more often, Cranky Uncle or FullOut?

Cranky Uncle ships an update every 4 months, and FullOut every 2 weeks. Most recently, Cranky Uncle was updated on October 22, 2026 and FullOut on September 23, 2026.

---

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