# Language Byte vs GREify

The clearest difference is rating: GREify at 5.0 against Language Byte's 3.5. GREify also leads on in-app purchases (none vs 2) and update cadence (every 3 days vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Language Byte sells 2 in-app purchases, starting at $6.99 per month. GREify asks for nothing beyond the download.

GREify holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Language Byte ships an update every 4 months, GREify every 3 days. The most recent releases landed on July 6, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Language Byte | GREify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/language-byte/id6743985266/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/greify-gre-vocab-replacer/id6745745978/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Size | 68 MB | 1 MB |
| Requires iOS | 17.4 | **16.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Franklin](https://appshunter.io/developer/546882338) | [晟远 鲁](https://appshunter.io/developer/1450568803) |

## What reviewers say

### Language Byte

[App page](https://appshunter.io/ios/app/language-byte/id6743985266)

Learn languages with bite-sized lessons on your Apple Watch and advanced AI practice tools on iPhone. This app offers on-device AI for privacy, personalized learning paths, and a wide range of languages. Unlock all features with a premium subscription.

**Highlights:** On-device AI for privacy, Wrist-based micro-learning on Apple Watch, 18 AI-powered practice tools, 24 languages supported, Personalized learning paths, Spaced repetition system, CSV export for progress tracking

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Annual Premium | $49.99 | per year |


### GREify

[App page](https://appshunter.io/ios/app/greify-gre-vocab-replacer/id6745745978)

This app enhances your GRE vocabulary by seamlessly replacing common words with GRE-level terms as you browse the web. Learn new words naturally within the context of articles and blogs you already read, without altering your daily habits.

**Highlights:** Replaces common words with GRE vocabulary, Integrates with Safari browser, Passive vocabulary learning, Learn up to 2,700 GRE words, Works on iPhone, iPad, and Mac

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Language Byte free?

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

### Is GREify free?

GREify is free to download, with no in-app purchases.

### Which has better reviews, Language Byte or GREify?

GREify is rated higher. Language Byte averages 3.5 out of 5 from 2 ratings, while GREify averages 5.0 from 1 ratings.

### Do Language Byte or GREify have ads?

Neither Language Byte nor GREify shows ads.

### Which is updated more often, Language Byte or GREify?

Language Byte ships an update every 4 months, and GREify every 3 days. Most recently, Language Byte was updated on July 6, 2026 and GREify on June 5, 2026.

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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.*