# Readio vs Nerdie

The clearest difference is update cadence: Nerdie at every 10 days against Readio's every 3 months. Nerdie also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Readio sells 2 in-app purchases, starting at $1.99 per month and Nerdie sells 1 in-app purchase, starting at $12.99 per year. Whichever you choose, the download price is not the number that matters.

Readio ships an update every 3 months, Nerdie every 10 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | Readio | Nerdie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 2 MB | 47 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Dassoulas](https://appshunter.io/developer/1097462992) | [HALIL AHMET CENGELOGLU](https://appshunter.io/developer/1863259309) |

## What reviewers say

### 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 |


### Nerdie

[App page](https://appshunter.io/ios/app/nerdie-book-tracker/id6787246760)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nerdie Premium Yearly | $12.99 | per year |


## Frequently asked questions

### Is Readio free?

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

### Is Nerdie free?

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

### Do Readio or Nerdie have ads?

Neither Readio nor Nerdie shows ads.

### Which is updated more often, Readio or Nerdie?

Readio ships an update every 3 months, and Nerdie every 10 days. Most recently, Readio was updated on October 15, 2026 and Nerdie 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.*