Nullify vs Grizzle
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Nullify
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Immerse yourself in the captivating world of Nullify, a minimal abstract puzzle designed to improve your logic and math skills. The goal is simple: clear everything from the screen by merging numbers and math symbols strategically. With 56 meticulously handcrafted levels and 4 infinite game modes offering endless challenges, you'll be on an exciting journey to enhance your problem-solving abilities. The black and white theme, which can be inverted, creates a soothing atmosphere that complements the relaxing gameplay. Drag elements with simple and easy controls to combine math symbols and progress through each level. Explore a variety of 13 math symbols, each contributing to unique gameplay strategies. Whether you're a casual player or a puzzle enthusiast, Nullify offers a satisfying experience for all.
Grizzle
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We created the Grizzle app as an additional option for users of our popular Grizzle web application. The Grizzle web game allows you to print out the game with no interaction or feedback. The Grizzle app, on the other hand, can be played anywhere without a printer and allows you to check and keep track of your correct answers. The app includes three different levels of difficulty: Easy, Medium, and Hard. Grizzle games are often printed by teachers for students, receptionists for waiting customers, and so on. We have therefore also included a print option similar to the web application. You don't need online access to play on your device, but you will need Internet access and a printer if you want to retrieve our printable Grizzle games. Unlike many other apps out there, the Grizzle app does not have any advertising, subscription fees, in-app purchases, or tracking. In other words, you can use this app every day with no surprises or extra costs.
Screenshots
Verdict
The clearest difference is price: Grizzle at Free against Nullify's $1.99. Nullify's advantage is iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.
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
Grizzle is free to download; Nullify costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Nullify | Grizzle |
|---|---|---|
| Price | $1.99 | Free โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 46 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Saoud | H Valeur |
In-app purchases
Nullify
No in-app purchases
Grizzle
No in-app purchases









