# Lexicon vs Thinklit

The clearest difference is in-app purchases: Lexicon at none against Thinklit's 1. Thinklit's advantage is update cadence (weekly vs every 5 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Thinklit sells 1 in-app purchase, starting at $2.99 per month. Lexicon asks for nothing beyond the download.

Lexicon ships an update every 5 weeks, Thinklit weekly. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Lexicon | Thinklit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 13 MB | 59 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Breslin](https://appshunter.io/developer/1545397865) | [MindTech LLC](https://appshunter.io/developer/1782227951) |

## What reviewers say

### Lexicon

[App page](https://appshunter.io/ios/app/lexicon-word-flashcards/id6474918860)

This app helps you expand your vocabulary using AI-powered flashcards. It supports over 30 languages and uses a spaced repetition system for effective learning. Customize your study sessions and track your progress with detailed statistics.

**Highlights:** Automatic flashcard creation, AI-powered definitions and translations, Multi-language support (30+ languages), Spaced Repetition System (SRS), Customizable learning experience, Progress tracking and statistics

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

**In-app purchases:** none


### Thinklit

[App page](https://appshunter.io/ios/app/thinklit-ai-study-flashcards/id6758416549)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thinklit Pro | $2.99 | per month |


## Frequently asked questions

### Is Lexicon free?

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

### Is Thinklit free?

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

### Do Lexicon or Thinklit have ads?

Neither Lexicon nor Thinklit shows ads.

### Which is updated more often, Lexicon or Thinklit?

Lexicon ships an update every 5 weeks, and Thinklit weekly. Most recently, Lexicon was updated on November 4, 2026 and Thinklit on November 9, 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.*