Grammarize vs Moca
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grammarize
Master English grammar with this app, offering interactive lessons on irregular verbs and phrasal verbs. Earn rewards for progress and track your performance with detailed statistics. Study offline and sync your progress across devices.
- Irregular verb study with pronunciation
- Phrasal verb lessons
- Instant translation
- Detailed statistics
- Cross-device synchronization
- Offline functionality
- Free rewards and bonuses
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Featured by Apple as one of the best apps for english grammar learners. Simple and effective learning of english grammar. Get free rewards and bonuses for good results. Study irregular verbs with pronunciation and get instant translation to any required language. Study most commonly used phrasal verbs. See detailed statistics of your results. Synchronize your study progress between your devices. Works offline. No internet connection required. For any technical issues and feedback, please contact grammarizeapp@gmail.com
Moca
This app makes learning vocabulary and conversation patterns fun through gamified flashcards. It offers AI-generated content and syncs across devices via iCloud. Users can import words via CSV and earn in-game rewards for progress.
- AI-generated flashcards
- Gamified learning with experience points
- Vocabulary and conversation pattern memorization
- iCloud sync across iOS devices
- CSV import for bulk word addition
- In-game rewards and leveling system
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MOCA is a personal and fun gaming book to memorize Vocabularies and conversation patterns, which can be can as you are studying. The data is stored on iCloud, and it automatically syncs with your other iOS devices; with a simple UI easy to understand at first glance, you can easily add words and sentences in all languages of the world. You can also register many words with Moca at once as a CSV file edited in an Excel spreadsheet (or Google Spreadsheet). You can play games and get experience points with the words and sentences you added without paying anything, and free slot is given to you as the reward for leveling up! When you reach level 40, the total number of slots rewarded is about 1000, and about 6300 on reaching level 100. Words/sentences will be stored in your brain while you’re leveling up! ********** - If you have paid for an unlimited subscription product and cannot use it, you can restore it by clicking the ""Restore Purchase"" button at the top right of the purchase screen for unlimited subscription products. - If the slots are not properly added after purchasing 200 slots or 1000 slots, please send the purchase receipt through Settings> Send Email to Developer in the Moca app. - Please email us any errors or inquiries and you will get a much faster response. (It takes a long time to respond because the App Store review is shown the day after it is written.) [Contact us] momots_works@naver.com ** Subscriptions will be charged to your credit card through your iTunes account. Your subscription will renew automatically unless canceled at least 24 hours before the end of the current period. Subscription cancellations will take effect following the current period. Manage your subscriptions in your Account Settings after purchase. Terms of Service : https://bit.ly/3BNn6mz Privacy Policy : https://bit.ly/2SyGKee
Screenshots
Verdict
The clearest difference is ads: Grammarize at none against Moca's shown. Grammarize also leads on iOS requirement (13.0 vs 15.0). Moca's advantage is update cadence (every 5 days vs every 6 weeks) and review sentiment (90% vs 77%). On price, rating, ratings volume 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. Grammarize sells 2 one-off in-app purchases and Moca sells 5 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Grammarize against 4.8 for Moca. Both are backed by a comparable volume of ratings — 38 and 41 respectively. Written reviews are what separate them: 77% of Grammarize's written reviews are positive against 90% of Moca's.
Grammarize ships an update every 6 weeks, Moca every 5 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.
| Parameter | Grammarize | Moca |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (38 ratings) | 4.8 (41 ratings) |
| Positive reviews | 77.2% of reviews | 89.9% of reviews — better |
| Number of ratings | 38 | 41 — better |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksii Polishchuk | AHN YOONJI |
Customer experience
Grammarize
Moca
In-app purchases
Grammarize
- Phrasal verbs$1.99
- English grammar$14.99
Moca
- Moca AI PRO$2.491 Month
- Unlimited Slots(3-month)$7.993 Months
- Unlimited Slots(1-year)$11.991 Year
- [200 additional slots]$1.09
- [1,000 additional slots]$4.39
