# UNOi 4 vs SieEscolar

The clearest difference is rating: SieEscolar at 5.0 against UNOi 4's 2.3. SieEscolar also leads on update cadence (every 9 days vs every 6 weeks) and device support (3 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

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

SieEscolar holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

UNOi 4 ships an update every 6 weeks, SieEscolar every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | UNOi 4 | SieEscolar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/unoi-4/id1473453935/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/sieescolar/id1516033562/reviews)** |
| Number of ratings | 3 | **6** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 135 MB | 66 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Grupo Santillana Educacion Global, S.L.](https://appshunter.io/developer/445034184) | [Grupo SIE Soluciones Digitales, S. de R.L. de C.V.](https://appshunter.io/developer/1836314080) |

## What reviewers say

### UNOi 4

[App page](https://appshunter.io/ios/app/unoi-4/id1473453935)

This app transforms classroom management by centering the student and breaking down subject barriers. It fosters learning through engagement and practical application, aiming to create transformative citizens.

**Highlights:** Student-centered learning, Interdisciplinary approach, Learning through engagement, Practical application focus, Classroom management transformation

**In-app purchases:** none


### SieEscolar

[App page](https://appshunter.io/ios/app/sieescolar/id1516033562)

This app streamlines school management by integrating modules for students, teachers, admissions, assessments, billing, and payments. It offers real-time notifications and a shopping cart feature, eliminating the need for mandatory licensing or commitments.

**Highlights:** Student and teacher management, Admissions and enrollment, Assessment and grading, Billing and payment processing, Real-time notifications, Shopping cart functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is UNOi 4 free?

UNOi 4 is free to download, with no in-app purchases.

### Is SieEscolar free?

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

### Which has better reviews, UNOi 4 or SieEscolar?

SieEscolar is rated higher. UNOi 4 averages 2.3 out of 5 from 3 ratings, while SieEscolar averages 5.0 from 6 ratings.

### Do UNOi 4 or SieEscolar have ads?

Neither UNOi 4 nor SieEscolar shows ads.

### Which is updated more often, UNOi 4 or SieEscolar?

UNOi 4 ships an update every 6 weeks, and SieEscolar every 9 days. Most recently, UNOi 4 was updated on October 24, 2026 and SieEscolar on October 24, 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.*