# SécuritéUdeS vs DAFi

The clearest difference is in-app purchases: SécuritéUdeS at none against DAFi's 5. SécuritéUdeS also leads on iOS requirement (12.0 vs 15.1). DAFi's advantage is update cadence (every 2 weeks vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. DAFi sells 5 in-app purchases, starting at $6.99 per month. SécuritéUdeS asks for nothing beyond the download.

SécuritéUdeS ships an update every 13 months, DAFi every 2 weeks. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SécuritéUdeS | DAFi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/dafi-ai-note-taker/id6737724356/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 69 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Université de Sherbrooke](https://appshunter.io/developer/467161481) | [9512-0937 Quebec Inc](https://appshunter.io/developer/1777610171) |

## What reviewers say

### SécuritéUdeS

[App page](https://appshunter.io/ios/app/securiteudes/id1153450572)

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

**In-app purchases:** none


### DAFi

[App page](https://appshunter.io/ios/app/dafi-ai-note-taker/id6737724356)

This app records lectures and automatically converts them into structured notes for revision. It further analyzes your study habits to create a personalized revision plan, highlighting your strengths and weaknesses.

**Highlights:** Automatic lecture recording, Structured note generation, Personalized revision plans, Strength and weakness analysis, Study habit tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dafi Advance | $6.99 | per month |
| Elite Plan - Monthly | $14.99 | per month |
| Monthly subscription | $20.00 | per month |
| Dafi Advance | $65.00 | per year |
| Dafi Elite Subscription | $94.00 | per year |


## Frequently asked questions

### Is SécuritéUdeS free?

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

### Is DAFi free?

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

### Do SécuritéUdeS or DAFi have ads?

Neither SécuritéUdeS nor DAFi shows ads.

### Which is updated more often, SécuritéUdeS or DAFi?

SécuritéUdeS ships an update every 13 months, and DAFi every 2 weeks. Most recently, SécuritéUdeS was updated on October 26, 2026 and DAFi on November 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.*