One By One vs Puzzl3D
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
One By One
Practice arithmetic, algebra, trigonometry, and calculus with a retro-style math game. Level up by solving problems, unlock new challenges, and compete on leaderboards. Enhance your skills with artifacts and strategic upgrades.
- Randomly generated math problems
- Leveling system with unlockable content
- Practice arithmetic, algebra, trigonometry, and calculus
- Retro ASCII art and music style
- Leaderboards and achievements
- Math artifacts and upgrades
- AI battle mode for targeted practice
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One By One is a retro math study game built for middle and high school students looking to level up their mental math skills. Featuring randomly generated problems, the app lets you switch from basic arithmetic to advanced calculus. You can also target specific practice areas using the One By One Battles mode or the premium Sandbox mode. Key Features Retro Calculator Aesthetic: Enjoy a nostalgic UI designed with classic Unicode and ASCII art, complete with satisfying mechanical key clicks and atmospheric background music. Four Math Disciplines: Practice everything from basic arithmetic and high school algebra to trigonometric functions (complete with a built-in unit circle) and calculus derivatives. Leveling System: Progress all the way from Level 1 to 99, unlocking brand-new question tiers every ten levels. AI Battles & Training: Test your speed in targeted training modes or race against AI opponents to earn in-game rewards. Artifacts & Upgrades: Solve rare "Golden Problems" to collect 25 unique math artifacts featuring 9 distinct upgrades to shape your strategy. Leaderboards & Achievements: Compete across 5 specialized leaderboards, including a balance-based leaderboard, and uncover hidden achievements. Download One By One and start solving math faster than your teacher! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Puzzl3D
Engage your mind with a 3D block puzzle game featuring intricately designed levels. This game challenges spatial reasoning and problem-solving with intuitive controls, offering an engaging experience for all skill levels. Enjoy endless entertainment on the go or at home.
- Intricately designed 3D levels
- Challenges spatial reasoning
- Enhances problem-solving skills
- Intuitive gameplay controls
- Engaging experience for all players
- Regularly updated with new content
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Discover endless hours of entertainment with Puzzl3D, the ultimate 3D block puzzle game. With a wide variety of intricately designed levels, this game challenges your spatial reasoning and problem-solving skills. Navigate through each level with intuitive controls that make gameplay a breeze. Whether you're an experienced puzzle gamer or new to the genre, Puzzl3D offers an engaging experience for everyone. Stay tuned for upcoming features and levels that will keep the challenges fresh and exciting. Perfect for on-the-go gaming or relaxing at home, Puzzl3D is sure to become your go-to puzzle game. Download now and start solving!
Screenshots
Verdict
The clearest difference is in-app purchases: Puzzl3D at none against One By One's 3. Puzzl3D also leads on ads (none vs shown) and rating (5.0 vs 4.8). One By One's advantage is update cadence (every 2 weeks vs every 6 weeks) and ratings volume (77 vs 7). On price, monetization model, device support and iOS requirement 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. One By One sells 3 in-app purchases, starting at $1.99 per month. Puzzl3D asks for nothing beyond the download.
Puzzl3D holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: One By One has 77 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 91% of One By One's written reviews are positive against 100% of Puzzl3D's.
One By One ships an update every 2 weeks, Puzzl3D every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | One By One | Puzzl3D |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (77 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 90.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 77 — better | 7 |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 64 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Brice Brown | Gwheat Studios LLC |
Customer experience
One By One
Puzzl3D
In-app purchases
One By One
- Monthly Support$1.991 Month
- Yearly Support$12.991 Year
- Lifetime Supporter pass$19.99
Puzzl3D
No in-app purchases
