# Book.Love vs Underscore

The clearest difference is ads: Underscore at none against Book.Love's shown. Underscore also leads on iOS requirement (18.0 vs 26.0). Book.Love's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Book.Love sells 1 one-off in-app purchase and Underscore sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Book.Love ships an update every 3 weeks, Underscore every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Book.Love | Underscore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 2 MB | 15 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Book Love Company](https://appshunter.io/developer/1866052884) | [GOEKHAN IBRIKCI](https://appshunter.io/developer/6797988137) |

## What reviewers say

### Book.Love

[App page](https://appshunter.io/ios/app/booklove/id6757319837)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Etkinlik Katılımı | $14.99 | one-time |


### Underscore

[App page](https://appshunter.io/ios/app/underscore-one-line-a-day/id6797988135)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $4.99 | per month |
| Plus Yearly | $24.99 | per year |
| Plus Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Book.Love free?

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

### Is Underscore free?

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

### Do Book.Love or Underscore have ads?

Book.Love shows ads; Underscore does not.

### Which is updated more often, Book.Love or Underscore?

Book.Love ships an update every 3 weeks, and Underscore every 2 months. Most recently, Book.Love was updated on November 5, 2026 and Underscore on October 31, 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.*