# FRAUS 3D vs iSestra

The clearest difference is in-app purchases: FRAUS 3D at none against iSestra's 1. FRAUS 3D also leads on iOS requirement (12.0 vs 15.5). iSestra's advantage is update cadence (monthly vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. iSestra sells 1 in-app purchase, starting at $1.99 per month. FRAUS 3D asks for nothing beyond the download.

FRAUS 3D ships an update every 11 months, iSestra monthly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FRAUS 3D | iSestra |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Free | — |
| Size | 552 MB | 89 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fraus Media, s.r.o.](https://appshunter.io/developer/578612162) | [Adam Ondru](https://appshunter.io/developer/1855471691) |

## What reviewers say

### FRAUS 3D

[App page](https://appshunter.io/ios/app/fraus-3d/id1557469636)

This app brings textbook illustrations to life in augmented reality. Simply point your device at an illustration with the 3D icon to view and interact with 3D models. You can also explore models without needing to aim at the book.

**Highlights:** Augmented reality textbook integration, Interactive 3D model viewing, Model manipulation (rotate, zoom), Offline 3D model exploration, Supports specific textbook titles

**Features:** macOS Compatibility

**In-app purchases:** none


### iSestra

[App page](https://appshunter.io/ios/app/isestra/id6755676798)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium přístum do aplikace | $1.99 | per month |


## Frequently asked questions

### Is FRAUS 3D free?

FRAUS 3D is free to download, with no in-app purchases.

### Is iSestra free?

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

### Do FRAUS 3D or iSestra have ads?

Neither FRAUS 3D nor iSestra shows ads.

### Which is updated more often, FRAUS 3D or iSestra?

FRAUS 3D ships an update every 11 months, and iSestra monthly. Most recently, FRAUS 3D was updated on October 24, 2026 and iSestra on October 8, 2026.

---

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