Vocab Book vs CatDo
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Vocab Book
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When learning a new language, you need one thing above all: words and more words! So how do you manage to learn those efficiently? Vocab Book gives you the opportunity to always have your words with you. Studying vocabulary is possible in any location, can even be fun with the app's quiz mode. Use Vocab Book on all your iOS devices, iCloud will automatically keep your words in sync. Adding new words is easy and fast. *** Vocab Book Features *** - Quickly create as many words as you need, sorted into different vocabulary sets - Progress monitored in a simple, efficient system - Easy studying by automatic quizzing - Automatic iCloud synchronisation
CatDo
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Stay Productive, Take Care of Your Cat Study Buddy! Turn your daily routine into a game! Boost your focus, build habits, and stay on top of tasks while earning points to feed and dress up your adorable virtual buddy. Available features: To-Do List β Stay organized with simple, clear task management. Habit Tracker β Build positive routines and track your progress. Pomodoro Timer β Focus in short bursts and avoid burnout. Feed Your Cat β Earn points by being productive while keeping your cat happy. Dress Up Your Cat β Unlock cute outfits and accessories as a reward for your hard work. Productivity doesnβt have to feel boring. Stay motivated, stay consistent, and make progress while having fun along the way.
Screenshots
Verdict
The clearest difference is device support: CatDo at 3 against Vocab Book's β. CatDo also leads on iOS requirement (15.0 vs 17.0). On price and in-app purchases 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.
| Parameter | Vocab Book | CatDo |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 10 months |
| Ads | β | No |
| In-app purchases | No | No |
| Devices | β | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 1 MB | 117 MB |
| Age rating | 17+ | 4+ |
| Developer | Oliver Brehm | Dinu Stefan Rusu |
In-app purchases
Vocab Book
No in-app purchases
CatDo
No in-app purchases









