# Castillo Digital vs e

The clearest difference is review sentiment: e at 100% against Castillo Digital's 13%. e also leads on update cadence (every 2 weeks vs every 5 months). Castillo Digital's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Castillo Digital ships an update every 5 months, e every 2 weeks. The most recent releases landed on June 1, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Castillo Digital | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (72 ratings)](https://appshunter.io/ios/app/e-uanl-campus-digital/id1616256509/reviews)** |
| Number of ratings | — | **72** |
| Positive reviews | 13.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 67 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Macmillan Administracion Corporativa, S.A. de C.V.](https://appshunter.io/developer/1246458646) | [UANL](https://appshunter.io/developer/642569146) |

## What reviewers say

### Castillo Digital

[App page](https://appshunter.io/ios/app/castillo-digital/id1249306149)

Access digital textbooks and teacher guides for students. Enhance lessons with interactive activities, videos, and exam generators. Available offline on all devices.

**Highlights:** Digital student books, Teacher guides, Interactive activities, Video resources, Exam generator, Editable planner, Offline access

**Features:** macOS Compatibility

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-uanl-campus-digital/id1616256509)

This official university app provides students and faculty with access to online academic services, including grades, schedules, and assignments. It also offers features for campus navigation, library resource discovery, and virtual ID access.

**Highlights:** View grades and academic records, Access class schedules and notifications, Manage assignments and submit tasks, Search library catalog, Virtual student ID, Access Microsoft Teams, Request Tigrebus tickets

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly and intuitive interface
- 🚀 Fast and efficient access to academic information
- 📱 Centralized hub for all university services
- 🎓 Easy access to grades, schedules, and tasks
- 💡 Integration with multiple platforms (SIASE, Nexus, Teams)

**What reviewers complain about**

- 🔍 Some features are difficult to find or hidden
- ⚠️ Navigation could be more intuitive
- 🐛 Occasional access issues to certain platforms
- ⏱️ Slow loading speeds for some functions
- 📋 Task visibility issues when assignments are completed

**Reported bugs**

- Cannot access Nexus platform consistently
- Tasks disappear after completion, preventing grade viewing
- Occasional login or access failures
- Some functions not loading properly

**Requested features**

- Transport card recharge functionality (UANL transport)
- Display all tasks simultaneously for better tracking
- Integration of AFI (Academic Information) section
- More personalized notifications for individual users
- Additional SIASE features and functionality


## Frequently asked questions

### Is Castillo Digital free?

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

### Is e free?

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

### Do Castillo Digital or e have ads?

Neither Castillo Digital nor e shows ads.

### Which is updated more often, Castillo Digital or e?

Castillo Digital ships an update every 5 months, and e every 2 weeks. Most recently, Castillo Digital was updated on June 1, 2026 and e on September 4, 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.*