Sudoku Tour vs e
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sudoku Tour
An engaging animal-themed puzzle game designed to introduce young children to the logic of Sudoku. It features adjustable difficulty levels and adorable animal characters to make learning fun and accessible for preschoolers.
- Adorable animal characters instead of numbers
- Adjustable difficulty levels (3x3, 4x4, 6x6)
- Over 100 chapters with increasing complexity
- Improves mental clarity and mathematical thinking
- Boosts logical reasoning and concentration
- Unique characters with special maps
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The animal sudoku puzzle game is specifically designed for children beginners. This game will capture children’s attention and open up a whole new world of sudoku for them. Even preschoolers are able to master the 3×3, 4×4 and 6×6 puzzle easily. With the developing difficulty level of the game, children can be attracted by the fun of logical reasoning little by little. 【Features】 - Lower the barriers to sudoku through the adorable image of animals instead of cold numbers; - Unique characters with special maps, each level brings new surprises; - More than a hundred chapters of sudoku with different levels of complexity, lead children to be more familiar with sudoku step by step; - Improve mental clarity and mathematical creative thinking. Lay the foundation for the future study of mathematics. - Boost logical reasoning ability and concentration to make children work more efficiently. 【How to play】 Sudoku is a math game began in the 18th century in Switzerland. Each puzzle consists of a 3x3/4x4/6x6 grid. The object of this animal sudoku game is to fill the empty cells with animals according to the existing animals in the grid cell so that there is no repeated animal pattern in each row, column, and region. The term “Regions” refers to the divided sub-grids. For instance, 4×4 grid can be divided into 2×2 sub-grid. By observing the most well-conditioned rows, columns, or regions, and following the guidelines mentioned above to fill the sudoku grid one by one. 【Design concept】 Taking logical reasoning training as the core, mathematics is more than just calculation. The key to achieving math success is logical reasoning ability. Throughout gameplay, sudoku stimulates children’s logical thinking and improve the sense of math. 【Contact】 E-mail address: support@flickering.ai
e
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Ralph encompasses various types of e-learning content on different topics related to leadership and collaboration, as well as an AI Coach. The content is continuously updated and expanded. In the 'Courses' category, you'll find comprehensive e-learnings consisting of various modules and exercises. If you want to engage intensively with a topic, this is exactly the right category. Micro Learnings are short inputs in video format that are perfectly suited for deepening knowledge on a narrowly defined topic. This category is ideal when you have limited time. In the 'Whitepaper' section, you'll find compact and easily understandable descriptions of various topics. Here, well-founded knowledge is conveyed in a manageable format. Under 'Articles', you'll find individual contributions from our consultants on various topics. This is also where new trends are addressed and practical, easily implementable tips & tricks are shared. The AI Coach has been trained with Coverdale-specific content, methods, and interventions and supports you with your individual challenges and questions related to leadership and collaboration. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Sudoku Tour at 10.0 against e's 15.0. On price, update cadence, ads and in-app purchases 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. Sudoku Tour sells 1 one-off in-app purchase and e sells 1 in-app purchase, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.
Sudoku Tour ships an update every 3 days, e every 5 days. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.
| Parameter | Sudoku Tour | e |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahaaa Education Technology Co., Ltd. | Guenter Lukas |
In-app purchases
Sudoku Tour
- Full version of sudoku tour$2.99
e
- Monthly subscription Ralph$24.991 Month









