# Biblio vs SagoAI

The clearest difference is in-app purchases: Biblio at none against SagoAI's 4. Biblio also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SagoAI sells 4 one-off in-app purchases. Biblio asks for nothing beyond the download.

Biblio ships an update monthly, SagoAI every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Biblio | SagoAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (96 ratings)](https://appshunter.io/ios/app/biblio/id6475718222/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 159 MB | 108 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BookBites](https://appshunter.io/developer/1119088651) | [WeNova KB](https://appshunter.io/developer/1893062358) |

## What reviewers say

### Biblio

[App page](https://appshunter.io/ios/app/biblio/id6475718222)

Access e-books and audiobooks from your local library. Discover new titles, create reading lists, and personalize your reading experience with adjustable text and playback settings. Enjoy offline access and track your reading journey.

**Highlights:** Discover library e-books and audiobooks, Personalize reading and listening settings, Create reading lists and track progress, Offline reading and listening, Text-to-speech functionality, Adjustable playback speed for audiobooks

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

**In-app purchases:** none


### SagoAI

[App page](https://appshunter.io/ios/app/sagoai/id6804053996)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack – 15 Credits | $1.99 | one-time |
| Small Bag – 30 Credits | $3.99 | one-time |
| Adventure Bag – 70 Credits | $7.99 | one-time |
| Treasure Chest – 150 Credits | $14.99 | one-time |


## Frequently asked questions

### Is Biblio free?

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

### Is SagoAI free?

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

### Do Biblio or SagoAI have ads?

Neither Biblio nor SagoAI shows ads.

### Which is updated more often, Biblio or SagoAI?

Biblio ships an update monthly, and SagoAI every 3 weeks. Most recently, Biblio was updated on October 27, 2026 and SagoAI on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*