# Readwise vs Underfoot

The clearest difference is device support: Readwise at 3 against Underfoot's 1. Readwise also leads on iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Readwise sells 8 in-app purchases, starting at $4.99 per month and Underfoot sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Readwise | Underfoot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/readwise/id1476885528/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 72.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 100 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Readwise, Inc](https://appshunter.io/developer/1476885527) | [Jason Brannon](https://appshunter.io/developer/1868090060) |

## What reviewers say

### Readwise

[App page](https://appshunter.io/ios/app/readwise/id1476885528)

This app helps you retain more of what you read by centralizing and revisiting your highlights from various reading platforms. It uses spaced repetition and active recall techniques to improve memory and offers features like tagging, note-taking, and OCR for physical books.

**Highlights:** Synchronize highlights from multiple platforms, Daily review habit via app and email, Spaced repetition and active recall, Tag, note, and search highlights, OCR for paper book highlights, Convert highlights to flashcards

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readwise Lite Monthly | $4.99 | per month |
| Readwise Lite Monthly | $6.99 | per month |
| Readwise Full Monthly Plan | $8.99 | per month |
| Readwise Full Monthly | $12.99 | per month |
| Readwise Lite Yearly | $52.99 | per year |
| Readwise Lite Yearly | $66.99 | per year |
| Readwise Full Yearly | $94.99 | per year |
| Readwise Full Yearly | $119.99 | per year |

**What reviewers like**

- 🚀 Powerful spaced repetition
- 📚 Seamless integration with reading apps
- 🔍 Helpful AI-powered features
- 🗓️ Useful daily review routine
- 🧠 Boosts knowledge retention

**What reviewers complain about**

- 💰 Expensive subscription
- 🔌 Sync issues with some platforms
- 📱 Subpar mobile app experience
- 🕰️ Lack of flexibility in daily review
- 🔍 Limited search functionality

**Reported bugs**

- Frequent app crashes
- Sync failures with certain accounts
- Unreliable highlight capture

**Requested features**

- Add support for more reading apps
- Improve sync and import capabilities
- Introduce more customization options
- Enhance search and organization tools
- Develop a more intuitive mobile interface


### Underfoot

[App page](https://appshunter.io/ios/app/underfoot-bug-field-guide/id6786962032)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Underfoot Pro | $2.99 | per month |
| Underfoot Pro Annual | $24.99 | per year |


## Frequently asked questions

### Is Readwise free?

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

### Is Underfoot free?

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

### Do Readwise or Underfoot have ads?

Neither Readwise nor Underfoot 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.*