# Grammarize vs ReadBubo

The clearest difference is iOS requirement: Grammarize at 13.0 against ReadBubo's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Grammarize sells 2 one-off in-app purchases and ReadBubo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Grammarize | ReadBubo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (38 ratings)](https://appshunter.io/ios/app/grammarize/id905741784/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 77.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 29 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oleksii Polishchuk](https://appshunter.io/developer/905741787) | [Jeremy Lay](https://appshunter.io/developer/6778370694) |

## What reviewers say

### Grammarize

[App page](https://appshunter.io/ios/app/grammarize/id905741784)

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.

**Highlights:** Irregular verb study with pronunciation, Phrasal verb lessons, Instant translation, Detailed statistics, Cross-device synchronization, Offline functionality, Free rewards and bonuses

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phrasal verbs | $1.99 | one-time |
| English grammar | $14.99 | one-time |


### ReadBubo

[App page](https://appshunter.io/ios/app/readbubo/id6778370692)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is Grammarize free?

Grammarize is free to download, with in-app purchases available.

### Is ReadBubo free?

ReadBubo is free to download, with in-app purchases available.

### Do Grammarize or ReadBubo have ads?

Neither Grammarize nor ReadBubo shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*