# Flashcardly vs SubYouTube Double Subtitles

The clearest difference is price: Flashcardly at Free against SubYouTube Double Subtitles's $4.99. Flashcardly also leads on update cadence (daily vs every 3 days) and iOS requirement (13.4 vs 15.0). SubYouTube Double Subtitles's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Flashcardly is free to download; SubYouTube Double Subtitles costs $4.99 up front. Flashcardly sells 2 in-app purchases, starting at $0.99 per month. SubYouTube Double Subtitles asks for nothing beyond the download.

Flashcardly ships an update daily, SubYouTube Double Subtitles every 3 days. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flashcardly | SubYouTube Double Subtitles |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/flashcardly/id6472301460/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 11 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Gladney](https://appshunter.io/developer/1716828467) | [ENGLISH IN GAMES](https://appshunter.io/developer/1656052466) |

## What reviewers say

### Flashcardly

[App page](https://appshunter.io/ios/app/flashcardly/id6472301460)

Create and study flashcards with intelligent tracking. This app uses AI to identify cards needing more attention based on your performance, optimizing your learning. Track study frequency and content mastery.

**Highlights:** Create custom flashcards, Track study frequency, Measure content mastery, AI-powered study recommendations, Performance-based card targeting

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Flashcards | $0.99 | per month |
| Unlimited Flashcards | $6.99 | per year |


### SubYouTube Double Subtitles

[App page](https://appshunter.io/ios/app/subyoutube-double-subtitles/id6472884539)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flashcardly free?

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

### Is SubYouTube Double Subtitles free?

SubYouTube Double Subtitles costs $4.99, with no in-app purchases.

### Do Flashcardly or SubYouTube Double Subtitles have ads?

Neither Flashcardly nor SubYouTube Double Subtitles shows ads.

### Which is updated more often, Flashcardly or SubYouTube Double Subtitles?

Flashcardly ships an update daily, and SubYouTube Double Subtitles every 3 days. Most recently, Flashcardly was updated on October 29, 2026 and SubYouTube Double Subtitles on October 14, 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.*