# Underline vs Memorize

The clearest difference is in-app purchases: Underline at none against Memorize's 5. Underline also leads on iOS requirement (10.0 vs 17.0). Memorize's advantage is update cadence (every 3 weeks vs every 2 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Memorize sells 5 in-app purchases, starting at $1.99 per 7 days. Underline asks for nothing beyond the download.

Underline ships an update every 2 months, Memorize every 3 weeks. The most recent releases landed on September 9, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Underline | Memorize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (13 ratings)](https://appshunter.io/ios/app/memorize-learn-and-remember/id1631928972/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 40 MB | 133 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Damian Skoneczny](https://appshunter.io/developer/1571773061) | [Jakub Milcarz](https://appshunter.io/developer/1631892122) |

## What reviewers say

### Underline

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Memorize

[App page](https://appshunter.io/ios/app/memorize-learn-and-remember/id1631928972)

Enhance your studies with a minimalist interface for efficient learning. Organize subjects into decks, track progress with notes and feedback, and visualize study habits. Set reminders and sync across devices for a seamless academic journey.

**Highlights:** Minimalist interface, Subject-based decks, Learning journal with notes, Study habit visualization, Customizable reminders, Cross-device syncing

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memorize+ (Weekly) | $1.99 | per 7 days |
| Memorize+ (Monthly) | $3.99 | per month |
| Memorize+ (Family) | $9.99 | per year |
| Memorize+ (Annual) | $19.99 | per year |
| Memorize+ (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is Underline free?

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

### Is Memorize free?

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

### Do Underline or Memorize have ads?

Neither Underline nor Memorize shows ads.

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

Underline ships an update every 2 months, and Memorize every 3 weeks. Most recently, Underline was updated on September 9, 2026 and Memorize on August 12, 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.*