Zero? vs Project Avicenna
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zero?
A fast-paced number game where players must quickly determine if sums of numbers are multiples of ten. Offers various modes for solo play or head-to-head challenges with friends.
- Sum calculation challenges
- Timed gameplay
- Relaxed mode without time pressure
- Two-player head-to-head mode
- Multiplayer on a single device
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Can you tell if the sum of 3 numbers are a multiple of ten? 4 numbers? More? It sounds easy, but hurry... time is running out! Challenge your friends, and play face-to-face on a single iPad or iPhone! Fun for all ages, choose your favourite mode: • Zoom & Zen, for a fast or easy-paced challenge • Relax, for stress-free fun without the time pressure • Two-player, the unique way to play with your friends in head-to-head action! Reviews for Sum Fun: “ It’s a solid math game, one that brings in interesting gameplay ideas and which has a stellar execution ” – AppGames.net: 9 / 10 “ By the time your kids have played with this app a few times, they’ll be adding up the numbers faster than you can say, ‘What’s six plus eight?’ ” – Fun2Tap: 5 / 5
Project Avicenna
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Embark on a vibrant journey of focus and memory with "Project Avicenna: Color Match" – a game designed to challenge your mind and sharpen your cognitive abilities. Inspired by the legendary philosopher and scientist Avicenna, this game is part of a series dedicated to enhancing mental faculties through fun, engaging gameplay. Test your memory with an array of colorful sequences. Watch closely as the sequence displays briefly, then use your sharp memory and quick reflexes to replicate it correctly. Benefits: - Enhanced Memory: Regular playing can improve your short-term and working memory, as you recall sequences and colors under varying conditions. - Increased Focus: Distractions in the game mimic real-world scenarios, training you to maintain concentration amid interruptions. - Faster Reaction Times: Develop quicker reflexes as you respond to changing sequences and advancing levels. About Project Avicenna: Named after the renowned scholar Avicenna, whose works transcended time and disciplines, Project Avicenna aims to meld ancient wisdom with modern cognitive science. Each game in the series is crafted to not only entertain but also to enhance specific cognitive skills, promoting mental wellness and intellectual growth. Join the community of minds keen on boosting their brain power in an enjoyable, colorful way. Download "Project Avicenna: Color Match" today and start your journey towards a sharper, more focused mind!
Screenshots
Verdict
The clearest difference is iOS requirement: Zero? at 8.0 against Project Avicenna's 13.4. On price, ads, in-app purchases and device support 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.
| Parameter | Zero? | Project Avicenna |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 27 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Greg Sharpe | Seif Elfayoumy |
In-app purchases
Zero?
No in-app purchases
Project Avicenna
No in-app purchases









