# Letteree vs PerDictionary

The clearest difference is ads: PerDictionary at none against Letteree's shown. Letteree's advantage is iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Letteree sells 2 in-app purchases, starting at $1.99 per month and PerDictionary sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Letteree | PerDictionary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 17 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hai Huynh](https://appshunter.io/developer/1709784865) | [Huu Duc Bang Nguyen](https://appshunter.io/developer/1694106853) |

## What reviewers say

### Letteree

[App page](https://appshunter.io/ios/app/letteree-vocabulary-builder/id6468353154)

This app makes learning English vocabulary feel effortless through intelligent reminders and personalized study plans. It uses AI and spaced repetition to help you retain words long-term, offering a fun and effective way to build your word bank.

**Highlights:** Intuitive vocabulary learning, Personalized progress tracking, Weakness analysis, AI-powered learning, Spaced repetition, Build word bank, Practice and play games

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $7.99 | per year |


### PerDictionary

[App page](https://appshunter.io/ios/app/perdictionary/id6738093503)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 | $0.99 | one-time |
| 3000 | $2.99 | one-time |
| 5000 | $4.99 | one-time |
| 10000 | $9.99 | one-time |


## Frequently asked questions

### Is Letteree free?

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

### Is PerDictionary free?

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

### Do Letteree or PerDictionary have ads?

Letteree shows ads; PerDictionary does not.

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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.*