# UrFU Guide vs Sci

The clearest difference is update cadence: Sci at every 6 weeks against UrFU Guide's every 23 months. Sci also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

UrFU Guide ships an update every 23 months, Sci every 6 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | UrFU Guide | Sci |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 6 weeks** |
| Size | 133 MB | 86 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FT-SOFT LTD](https://appshunter.io/developer/972647040) | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) |

## What reviewers say

### UrFU Guide

[App page](https://appshunter.io/ios/app/urfu-guide/id1097001738)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sci

[App page](https://appshunter.io/ios/app/sci-lab-primary/id1387072836)

**In-app purchases:** none


## Frequently asked questions

### Is UrFU Guide free?

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

### Is Sci free?

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

### Do UrFU Guide or Sci have ads?

Neither UrFU Guide nor Sci shows ads.

### Which is updated more often, UrFU Guide or Sci?

UrFU Guide ships an update every 23 months, and Sci every 6 weeks. Most recently, UrFU Guide was updated on September 16, 2026 and Sci on September 9, 2026.

---

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