4 = 1 vs Calco
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
4 = 1
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Solve fun math puzzles! Each puzzle is unique and has at least one possible solution. Use operators to form creative and complex equations. Created by Cory Tripathy and Zoe Cutler
Calco
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Calco is an engaging and educational mathematics game suitable for individuals of all ages. It offers a comprehensive approach to enhancing mathematical proficiency, providing players with the opportunity to challenge their cognitive abilities while simultaneously saving adorable animals. Key Features: * Game Center Leaderboards: Engage in global competitions with friends and fellow players. Monitor your progress and rank among the top performers. * Multiple Difficulty Levels: Select from Easy, Medium, or Hard difficulty options to align with your skill level and maintain the challenge. * Beautiful and Intuitive Design: Experience a clean and modern interface that enhances the learning and gameplay experience. * Quick Rounds: Ideal for short play sessions or extended brain-training sessions. * Educational and Fun: Suitable for children, students, and adults seeking to enhance their mathematical skills in an enjoyable manner. * Ad-Supported: Free to play with non-intrusive advertisements that contribute to the gameβs development. Gameplay Mechanics: * Solve Math Problems: Challenge yourself to solve mathematical problems within a specified time frame. * Select Correct Answer: Choose the appropriate answer from multiple options. * Maintain Streak: Earn bonus points and higher scores by maintaining a streak of correct answers. * Lose a Life: Each incorrect answer or time expiration results in a loss of a life. Why Calco? * Enhance Mental Math and Problem-Solving Skills: Calco provides a structured environment that fosters the development of mental math and problem-solving abilities. * Achieve Top Ranking: Compete for the coveted position at the top of the leaderboard. * Family-Friendly and Ad-Supported: Enjoy a welcoming and ad-supported experience suitable for all family members. Download Calco today and embark on your journey to becoming a mathematical master, one problem at a time!
Screenshots
Verdict
The clearest difference is update cadence: 4 = 1 at monthly against Calco's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
4 = 1 ships an update monthly, Calco every 5 months. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.
| Parameter | 4 = 1 | Calco |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly β better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 0 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | Zoe Cutler | Cole Cobb |
In-app purchases
4 = 1
No in-app purchases
Calco
No in-app purchases









