# Leaf & Spine vs Earlo

The clearest difference is in-app purchases: Earlo at none against Leaf & Spine's 11. Leaf & Spine's advantage is iOS requirement (15.5 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Leaf & Spine sells 11 in-app purchases, starting at $0.99 per month. Earlo asks for nothing beyond the download.

Leaf & Spine ships an update every 2 weeks, Earlo every 9 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Leaf & Spine | Earlo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/leaf-and-spine-reader-and-tracker/id6758519785/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 119 MB | 723 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Aqeeb Rizwan](https://appshunter.io/developer/1873308369) | [Boston Research Journals](https://appshunter.io/developer/1861733109) |

## What reviewers say

### Leaf & Spine

[App page](https://appshunter.io/ios/app/leaf-and-spine-reader-and-tracker/id6758519785)

Enhance your reading experience with a distraction-free app that supports various formats like PDFs, EPUBs, audiobooks, and comics. Build daily reading habits with powerful tools, track your progress with detailed analytics, and personalize your digital library.

**Highlights:** Supports PDF, EPUB, CBR, CBZ, and Audiobooks, Smart EPUB annotation and note-taking, Text-to-Speech for audiobooks, Customizable themes and 3D bookshelf, Daily reading habit tracking and analytics, Immersive focus sessions with ambient environments

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |
| Teal Stripes | $0.79 | one-time |
| Teal Labels | $0.99 | one-time |
| Teal Hearts | $0.99 | one-time |
| Teal Duotone | $0.99 | one-time |
| Teal Diamonds | $1.49 | one-time |
| Teal Stars | $1.49 | one-time |
| Teal Leaves | $1.49 | one-time |
| Teal Spiral | $1.99 | one-time |
| Premium Unlock | $14.99 | one-time |


### Earlo

[App page](https://appshunter.io/ios/app/earlo-text-to-speech/id6814213731)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Leaf & Spine free?

Leaf & Spine is free to download, with in-app purchases available.

### Is Earlo free?

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

### Do Leaf & Spine or Earlo have ads?

Neither Leaf & Spine nor Earlo shows ads.

### Which is updated more often, Leaf & Spine or Earlo?

Leaf & Spine ships an update every 2 weeks, and Earlo every 9 days. Most recently, Leaf & Spine was updated on October 24, 2026 and Earlo on October 11, 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.*