# Stacks vs Focus Time App

The clearest difference is in-app purchases: Focus Time App at none against Stacks's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stacks sells 2 in-app purchases, starting at $9.99 per 3 months. Focus Time App asks for nothing beyond the download.

## The numbers

| Metric | Stacks | Focus Time App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Freemium | — |
| Size | 77 MB | 96 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lewis Hoy](https://appshunter.io/developer/1812196615) | [Elif topuz](https://appshunter.io/developer/1854724549) |

## What reviewers say

### Stacks

[App page](https://appshunter.io/ios/app/stacks-language-flashcards/id6745429203)

Create flashcards from your own experiences and conversations. This app uses spaced repetition to help you remember vocabulary longer with less study. It supports over 100 languages and offers offline study capabilities.

**Highlights:** Create cards from stories and conversations, Spaced repetition system (FSRS), Offline study mode, Automatic translations, Supports over 100 languages, Romanization for select scripts, Clean, minimal interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacks+ Quarterly | $9.99 | per 3 months |
| Stacks+ Yearly | $27.99 | per year |


### Focus Time App

[App page](https://appshunter.io/ios/app/focus-time-app/id6755657450)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stacks free?

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

### Is Focus Time App free?

Focus Time App is free to download, with no in-app purchases.

### Do Stacks or Focus Time App have ads?

Neither Stacks nor Focus Time App shows ads.

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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.*