# Certus vs Compi Pre U

The clearest difference is rating: Certus at 5.0 against Compi Pre U's 3.0. Certus also leads on in-app purchases (none vs 3) and ads (none vs shown). Compi Pre U's advantage is update cadence (weekly vs every 3 weeks). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Compi Pre U sells 3 in-app purchases, starting at $6.99 per month. Certus asks for nothing beyond the download.

Certus holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Certus ships an update every 3 weeks, Compi Pre U weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Certus | Compi Pre U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/certus/id1670174820/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/compi-pre-u/id6755500165/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 148 MB | 56 MB |
| Requires iOS | **15.5** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Inversiones Educa S.A](https://appshunter.io/developer/1481996803) | [JAKS TECH SAC](https://appshunter.io/developer/1854271206) |

## What reviewers say

### Certus

[App page](https://appshunter.io/ios/app/certus/id1670174820)

This app provides students with a digital identification card for campus access. It also features a calendar to view classes and a news feed for updates from the institution.

**Highlights:** Digital student ID (Fotocheck), Class calendar and schedule, Campus news feed, Institutional updates

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

**In-app purchases:** none


### Compi Pre U

[App page](https://appshunter.io/ios/app/compi-pre-u/id6755500165)

This educational app helps students prepare for university entrance exams with AI-powered study plans, practice questions, and simulated tests. It offers clear theory, step-by-step exercises, and personalized feedback to enhance learning and retention.

**Highlights:** AI-powered study routes, Simulated exam practice, Step-by-step solved exercises, Theory and updated content, Performance tracking, Questions from past exams

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $6.99 | per month |
| Quarterly Plan | $19.99 | per 3 months |
| Annual Plan | $49.99 | per year |


## Frequently asked questions

### Is Certus free?

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

### Is Compi Pre U free?

Compi Pre U is free to download, with in-app purchases available.

### Which has better reviews, Certus or Compi Pre U?

Certus is rated higher. Certus averages 5.0 out of 5 from 1 ratings, while Compi Pre U averages 3.0 from 1 ratings.

### Do Certus or Compi Pre U have ads?

Compi Pre U shows ads; Certus does not.

### Which is updated more often, Certus or Compi Pre U?

Certus ships an update every 3 weeks, and Compi Pre U weekly. Most recently, Certus was updated on November 3, 2026 and Compi Pre U on November 5, 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.*