# UDP Lecturio vs Siggi

The clearest difference is price: UDP Lecturio at Free against Siggi's $8.49. Siggi's advantage is update cadence (daily vs every 4 months) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

UDP Lecturio is free to download; Siggi costs $8.49 up front. Neither carries in-app purchases, so what you see is what you pay.

UDP Lecturio ships an update every 4 months, Siggi daily. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | UDP Lecturio | Siggi |
| --- | --- | --- |
| Price | **Free** | $8.49 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Paid |
| Size | 127 MB | 30 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Lecturio GmbH](https://appshunter.io/developer/667474928) | [FeST Application](https://appshunter.io/developer/1450104037) |

## What reviewers say

### UDP Lecturio

[App page](https://appshunter.io/ios/app/udp-lecturio/id6444853798)

**Features:** macOS Compatibility

**In-app purchases:** none


### Siggi

[App page](https://appshunter.io/ios/app/siggi-smartphone-guide/id6747631567)

This app provides step-by-step voice guidance for elderly individuals to easily navigate smartphone functions. It simplifies tasks like changing settings, managing photos, and using apps through intuitive voice commands and a clear interface.

**Highlights:** Voice command navigation, Step-by-step guided assistance, Simple and intuitive interface, Accessibility focused options, Guides for photos, apps, email, and internet, Emergency call and health app guidance

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

**In-app purchases:** none


## Frequently asked questions

### Is UDP Lecturio free?

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

### Is Siggi free?

Siggi costs $8.49, with no in-app purchases.

### Do UDP Lecturio or Siggi have ads?

Neither UDP Lecturio nor Siggi shows ads.

### Which is updated more often, UDP Lecturio or Siggi?

UDP Lecturio ships an update every 4 months, and Siggi daily. Most recently, UDP Lecturio was updated on October 27, 2026 and Siggi on October 19, 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.*