Chess Knowledge vs phase estimation algorithm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chess Knowledge
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It's time to learn interactive chess courses with activity-based solving! Our courses have hundreds of activities from various learning levels. The different types of interactive activities help you digest the information easily. 1) Explanation Activity: This will teach you a concept in a concise way. 2) Capture Activity: The most fun and engaging way to learn piece movements and captures. 3) Puzzle Activity: Solve interesting puzzles and tactics from a given position. 4) MCQ Activity: Test your knowledge with quiz-based multiple-choice questions. 5) Play with Computer: Train your skills by practicing must-know positions with the computer.
phase estimation algorithm
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This app represents phase estimation algorithm with five qubits. You can understand the every single detail of phase estimation algorithm.
Screenshots
Verdict
The clearest difference is iOS requirement: Chess Knowledge at 12.0 against phase estimation algorithm's 16.0. On price, update cadence, 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.
| Parameter | Chess Knowledge | phase estimation algorithm |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 86 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Chess Knowledge FZE | Sungjun Kim |
In-app purchases
Chess Knowledge
No in-app purchases
phase estimation algorithm
No in-app purchases
Questions
Is Chess Knowledge free?
Is phase estimation algorithm free?
Which is updated more often, Chess Knowledge or phase estimation algorithm?
Other comparisons
