# Curious Genius vs FlipDict

The clearest difference is in-app purchases: FlipDict at none against Curious Genius's 4. FlipDict also leads on update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Curious Genius sells 4 in-app purchases, starting at $19.99 per year. FlipDict asks for nothing beyond the download.

Curious Genius ships an update fortnightly, FlipDict every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Curious Genius | FlipDict |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flipdict/id6773462642/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free |
| Size | 22 MB | 30 MB |
| Requires iOS | 18 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [SC Ltd](https://appshunter.io/developer/313235304) | [Isabella Lee-Rubio](https://appshunter.io/developer/1424131616) |

## What reviewers say

### Curious Genius

[App page](https://appshunter.io/ios/app/curious-genius/id6752258877)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CuriousGenius Annual (Early Bird) | $19.99 | per year |
| CuriousGenius Annual (Early Bird) | $29.99 | per year |
| CuriousGenius Annual (Standard) | $29.99 | per year |
| CuriousGenius Annual (Standard) | $39.99 | per year |


### FlipDict

[App page](https://appshunter.io/ios/app/flipdict/id6773462642)

Expand your vocabulary with a focused, no-nonsense word builder. Choose from curated decks or the entire English dictionary, and utilize spaced repetition to master new words. Track your progress and personalize your learning journey.

**Highlights:** Curated vocab decks and full dictionary, Spaced repetition system (SRS), Flashcard-style review, Progress tracking (New, Learning, Mastered), On-device data saving, Dark mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is Curious Genius free?

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

### Is FlipDict free?

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

### Do Curious Genius or FlipDict have ads?

Neither Curious Genius nor FlipDict shows ads.

### Which is updated more often, Curious Genius or FlipDict?

Curious Genius ships an update fortnightly, and FlipDict every 5 days. Most recently, Curious Genius was updated on October 28, 2026 and FlipDict on October 31, 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.*