# Underline vs Language Practice

The clearest difference is in-app purchases: Underline at none against Language Practice's 2. Underline also leads on ads (none vs shown) and iOS requirement (10.0 vs 16.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Language Practice sells 2 in-app purchases, starting at $9.99 per month. Underline asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Underline | Language Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 40 MB | 123 MB |
| Requires iOS | **10.0** | 16.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Damian Skoneczny](https://appshunter.io/developer/1571773061) | [Gratitude](https://appshunter.io/developer/1551691452) |

## What reviewers say

### Underline

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Language Practice

[App page](https://appshunter.io/ios/app/language-practice-soliloquy/id1627990691)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |
| Premium | $69.99 | per year |


## Frequently asked questions

### Is Underline free?

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

### Is Language Practice free?

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

### Do Underline or Language Practice have ads?

Language Practice shows ads; Underline does not.

### Which is updated more often, Underline or Language Practice?

Underline ships an update every 2 months, and Language Practice every 2 months. Most recently, Underline was updated on September 9, 2026 and Language Practice 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.*