# Underline vs Flashcards

The clearest difference is ads: Underline at none against Flashcards's shown. Underline also leads on iOS requirement (10.0 vs 17.0). Flashcards's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Underline ships an update every 2 months, Flashcards weekly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Underline | Flashcards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flashcards-expand-english/id6474883971/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 40 MB | 19 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Damian Skoneczny](https://appshunter.io/developer/1571773061) | [Daniel Budynski](https://appshunter.io/developer/1451414442) |

## What reviewers say

### Underline

[App page](https://appshunter.io/ios/app/underline-language-learning/id1571773059)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flashcards

[App page](https://appshunter.io/ios/app/flashcards-expand-english/id6474883971)

Expand your English vocabulary with a simple flashcard system. Create your own cards, choose from a library, or generate them from any text file. The app uses the Leitner System for spaced repetition and includes an XP system for motivation.

**Highlights:** Create custom flashcards, Library of English words, Generate flashcards from text files, Spaced repetition (Leitner System), XP motivation system, Automatic word translation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Underline free?

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

### Is Flashcards free?

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

### Do Underline or Flashcards have ads?

Flashcards shows ads; Underline does not.

### Which is updated more often, Underline or Flashcards?

Underline ships an update every 2 months, and Flashcards weekly. Most recently, Underline was updated on September 9, 2026 and Flashcards on September 8, 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.*