# Must Read vs Readio

The clearest difference is update cadence: Must Read at every 6 days against Readio's every 3 months. Must Read also leads on chart position (#70 vs unranked) and iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Must Read sells 3 in-app purchases, starting at $4.99 per month and Readio sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Must Read ships an update every 6 days, Readio every 3 months. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Must Read | Readio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/must-read-the-book-tracker/id930967257/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 48.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Monetization | Freemium | — |
| Best chart rank | **#70** | — |
| Size | 89 MB | 2 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Rastvorov](https://appshunter.io/developer/870142280) | [James Dassoulas](https://appshunter.io/developer/1097462992) |

## What reviewers say

### Must Read

[App page](https://appshunter.io/ios/app/must-read-the-book-tracker/id930967257)

**Currently charting:** #70 Top Free · Book (US App Store)

Track your reading progress, time sessions with live activities, and discover new books. Access a vast library of classic eBooks and audiobooks with PRO. Organize your library with custom lists and detailed reading statistics.

**Highlights:** Track reading progress, Live Activity reading timer, Detailed reading statistics, Access to 74,000+ classic eBooks, Access to 18,000+ audiobooks, Customizable reading lists, Book discovery and recommendations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Must Read Pro (Monthly) | $4.99 | per month |
| Must Read Pro (Annual) | $29.99 | per year |
| Must Read Pro Lifetime | $79.99 | one-time |


### Readio

[App page](https://appshunter.io/ios/app/readio/id6745356025)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readio Pro Monthly | $1.99 | per month |
| Readio Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Must Read free?

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

### Is Readio free?

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

### Do Must Read or Readio have ads?

Neither Must Read nor Readio shows ads.

### Which is updated more often, Must Read or Readio?

Must Read ships an update every 6 days, and Readio every 3 months. Most recently, Must Read was updated on October 26, 2026 and Readio on October 15, 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.*