Vocab Crab vs Klick Cap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vocab Crab
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Features of Vocabulary Builder • Three engaging games that help kids (ages 6 to 8) practice matching words and pictures • Difficulty level is automatically adjusted • Two-Player Option is available • Scores are automatically saved to show progress • Scores can also be emailed to keep a record of a child's progress. • Colorful graphics and lively music make this game fun to play • Kid-safe: No third party ads or tracking This game helps children learn to pay attention and develop their vocabulary skills by practicing matching words and pictures. Children, ages 6 to 8, will travel under the seas as they have fun playing and learning. All of our games are specially created to help children practice the cognitive abilities important in school and life. The games automatically adjust to allow children to learn at a level of difficulty personalized for them. As they succeed, new challenges at harder levels will be presented. Children will be challenged to develop their thinking speed as they are required to respond faster and faster in order to win. While a child's difficulty level is automatically adjusted based on his or her performance, it can be easily modified by parents or teachers when necessary. Distraction stimuli can also be added to reinforce increased focus and the ability to stay on task. In addition, a two player option is available which helps children learn how to take turns and be both a good winner and a good loser. A training round must be completed for grades to be saved in single player mode. Please note that no grades are saved in two player mode. Two player mode only records which Player (1 or 2) won after the match is completed. A training session is completed only when the program is stopped and then removed from memory. If the program is left open in the background and it is selected, then the last session started will be continued. You can try out all of the games and their features for free for 60 minutes. If you like the games, you can make a one-time purchase to unlock all of the games for unlimited use. Otherwise, you can continue to play the "Fun" game for free.
Klick Cap
Explore the intricacies of the human brain, a marvel far more complex and powerful than any computer. This app offers a guided tour of this fascinating organ, revealing its secrets and capabilities.
- Brain exploration
- Educational tour
- Complex organ insights
- Computer comparison
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I bet you think the computer is the best invention in the world, right? Think it is super speedy and can do everything? Well, it is not. The brain is one seriously complex organ that has baffled scientists for years. It is much more powerful than any supercomputer you can find! Let us take a tour of the brain.
Screenshots
Verdict
The clearest difference is in-app purchases: Klick Cap at none against Vocab Crab's 1. Vocab Crab's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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. Vocab Crab sells 1 one-off in-app purchase. Klick Cap asks for nothing beyond the download.
Vocab Crab ships an update every 43 months, Klick Cap every 55 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Vocab Crab | Klick Cap |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 43 months — better | Every 55 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 53 MB | 229 MB |
| Age rating | 4+ | 4+ |
| Developer | BrainTrain Inc. | Sweta Adatia |
In-app purchases
Vocab Crab
- Full Version$2.99
Klick Cap
No in-app purchases









