Down to Zero vs iSay GRYB
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Down to Zero
An addictive brain teaser game designed to enhance your IQ and cognitive skills. Progress through increasing difficulty levels and unlock 10 ranks, offering endless replayability and a fun mental workout.
- Easy to learn gameplay
- Fun and addictive mechanics
- 10 ranks to level up
- Endless replay value
- Brain exercise
- IQ improvement
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An ingenious brain teaser game that will improve your IQ. Learn to play it in under 10 seconds! As you progress through the game, your rank will improve along with the difficulty, so your brain will only get better and faster! FEATURES: - Super easy to learn! - Simple, Fun and Addictive. - 10 Ranks to Level Up. - Endless replay value. - An exercise for your brain! Down to zero is a brain teaser game where you'll only get smarter as you play: It's Time well spent!
iSay GRYB
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iSay is a fast, simple and addictive memory game inspired by classic sequence games. Watch the pattern of colors and sounds, memorize it, and repeat it without making a mistake. Each round adds a new step, so you will need more focus as you try to beat your best score. iSay now includes a daily challenge, giving you a new reason to come back every day, test your memory and keep your streak alive. Play short sessions, improve your score and unlock achievements while training focus, reflexes and visual memory. Main features: Quick memory and sequence gameplay. Classic mode to beat your best score. Daily challenge with limited attempts. Streaks to motivate you to return every day. Game Center achievements. Classic best score leaderboard. Different sound packs. Adjustable difficulty. Cleaner and more modern design. Less intrusive ad experience. iSay is perfect for short breaks, memory training or challenging yourself to remember longer and longer sequences. How far can your memory go?
Screenshots
Verdict
The clearest difference is ads: iSay GRYB at none against Down to Zero's shown. iSay GRYB also leads on update cadence (every 2 months vs every 3 months). Down to Zero's advantage is iOS requirement (12.0 vs 15.0). On price, 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. Down to Zero sells 1 one-off in-app purchase and iSay GRYB sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Down to Zero ships an update every 3 months, iSay GRYB every 2 months. Both last shipped on October 3, 2026.
| Parameter | Down to Zero | iSay GRYB |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 92 MB | 11 MB |
| Age rating | 9+ | 4+ |
| Developer | Henrique Silva | Insane Platypus Games |
In-app purchases
Down to Zero
- No Ads$0.99
iSay GRYB
- Remove Ads$0.99
