# Sự Thật Books vs Savi

The clearest difference is iOS requirement: Savi at 13.4 against Sự Thật Books's 15. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sự Thật Books ships an update monthly, Savi every 3 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sự Thật Books | Savi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/savi/id6740526062/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 71 MB | 40 MB |
| Requires iOS | 15 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIET NAM VHMT TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1536280883) | [Akibook](https://appshunter.io/developer/1790407217) |

## What reviewers say

### Sự Thật Books

[App page](https://appshunter.io/ios/app/su-that-books/id6472444348)

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

**In-app purchases:** none


### Savi

[App page](https://appshunter.io/ios/app/savi/id6740526062)

Read books and news on your ebook devices. Access a variety of content directly on your preferred e-reader.

**Highlights:** Read books, Read news, Supports ebook devices, Access diverse content

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

**In-app purchases:** none


## Frequently asked questions

### Is Sự Thật Books free?

Sự Thật Books is free to download, with no in-app purchases.

### Is Savi free?

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

### Do Sự Thật Books or Savi have ads?

Neither Sự Thật Books nor Savi shows ads.

### Which is updated more often, Sự Thật Books or Savi?

Sự Thật Books ships an update monthly, and Savi every 3 weeks. Most recently, Sự Thật Books was updated on November 4, 2026 and Savi on October 30, 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.*