Cranky Uncle vs BrainCalcu
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Cranky Uncle
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.
- Identify rhetorical techniques
- Spot logical fallacies
- Counter science denial arguments
- Build resilience against misinformation
- Learn about climate change denial
- Understand evolution denial tactics
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We all have a cranky uncle who thinks he knows better than the world’s scientists. But how do you make sense of his arguments and conspiracy theories? The way to understand your cranky uncle is to become a cranky uncle! If you’re going to spot someone cheating at cards, first you have to learn how to cheat at cards. In this game, Cranky Uncle teaches you the rhetorical techniques and logical fallacies he uses to deny science. Climate change, evolution, vaccination, a round Earth - he’s never met a science he wouldn’t deny! The deeper you get into the game, the more resilient you become against misinformation.
BrainCalcu
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Are you ready to put your arithmetic skills to the ultimate test? Dive into this thrilling math game that sharpens your mind while you race against the clock! Each round presents you with a simple yet engaging challenge: solve an addition problem by selecting the correct answer from four options. But there’s a twist – you only have 5 seconds to make your choice! As soon as the question appears, the countdown begins, and an animated color ring tracks your remaining time, adding intensity to the challenge. The pressure is on as you quickly decide which button holds the correct answer. Tap the right one before the timer runs out and see if you can keep your streak alive! With its clean design and vibrant visuals, the game offers an enjoyable and mentally stimulating experience for players of all ages. Whether you're a math enthusiast looking to stay sharp or just someone who loves a quick brain workout, this game is perfect for you. How fast can you calculate? How many correct answers can you rack up before time gets the better of you? Download now and embark on a math adventure that’s as fun as it is educational. Test your speed, improve your mental math, and see how you rank among the best. Can you keep up with the pace? There's only one way to find out!
Screenshots
Verdict
The clearest difference is ads: Cranky Uncle at none against BrainCalcu's shown. Cranky Uncle also leads on device support (3 vs 1) and iOS requirement (11.0 vs 18.0). BrainCalcu's advantage is update cadence (daily vs every 4 months). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cranky Uncle ships an update every 4 months, BrainCalcu daily. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Cranky Uncle | BrainCalcu |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (27 ratings) — better | — |
| Positive reviews | 38.1% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 4 months | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 15 MB | 5 MB |
| Age rating | 12+ | 17+ |
| Developer | Skeptical Science | Ghassan Jaam |
Bugs and requests
Cranky Uncle
Reported bugs
10 issues- App stuck on start/loading screen
- Blank screens after sign-in
- Quizzes not loading
- Dialogue boxes not fitting on screen
- App crashes on submit
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- Progress not updating
- Learn more button loops back
- App glitches and runs Bitcoin (user claim)
- Half screen blank
- Login process problematic
Requested features
6 requests- More polish and refinement
- More levels and content
- International users need familiar references
- Reconsider encouraging quick answers for points
- Add dark mode option
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- Improve punctuation and text display
BrainCalcu
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cranky Uncle
No in-app purchases
BrainCalcu
No in-app purchases









