24 Spell vs XON24 Duel
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
24 Spell
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24 Spell is a simple but super addictive mental math game. You get 4 numbers and you need to combine them using +, -, ร, and / to get exactly 24. Itโs a classic riddle, but we made it competitive. - 1v1 Same-Screen Mode: Challenge a friend right there on your phone. Itโs a head-to-head race to see whoโs got the fastest brain. - Mental Workout: Forget boring brain trainers. This is fast, intense, and actually helps you get better at math without feeling like homework. - Clean Design: No annoying menus or distractions. Just open the app, hit Start, and you're in the game. The Rules: - Look at your 4 numbers. - Use the operators to reach 24. - Tap "OK" before your friend does. - Win.
XON24 Duel
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XON24 Duel is a fast-paced competitive math game where speed beats everything. You and your opponent get the same 4 numbers. Your goal is simple: combine them using +, โ, ร, and รท to make exactly 24. Features Real-Time Duel โ Both players solve the same puzzle. The fastest correct answer wins. Train Your Brain โ Improve mental math, logic, and pattern recognition while having fun. Hundreds of Unique Puzzles โ Every match feels different. How to Play - Look at the 4 numbers. - Use +, โ, ร, รท and parentheses if needed. - Make exactly 24. - Submit your answer before your opponent. - Win the round.
Screenshots
Verdict
24 Spell and XON24 Duel are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
24 Spell ships an update every 3 weeks, XON24 Duel every 2 weeks. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.
| Parameter | 24 Spell | XON24 Duel |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 17.6 |
| Further details โ not scored | ||
| Size | 20 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | IJ birojs SIA | HOLPLANT BEHEER B.V. |
In-app purchases
24 Spell
No in-app purchases
XON24 Duel
No in-app purchases
Questions
Is 24 Spell free?
Is XON24 Duel free?
Do 24 Spell or XON24 Duel have ads?
Which is updated more often, 24 Spell or XON24 Duel?
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