# SignEveil vs LSF

The clearest difference is review sentiment: SignEveil at 75% against LSF's 33%. SignEveil also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (8.0 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.

SignEveil ships an update every 2 weeks, LSF every 2 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SignEveil | LSF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 74 MB | 138 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MocapLab](https://appshunter.io/developer/1397335378) | [Weduc UK Ltd](https://appshunter.io/developer/1635738266) |

## What reviewers say

### SignEveil

[App page](https://appshunter.io/ios/app/signeveil/id1397335379)

Explore French Sign Language with interactive 3D avatars. Learn over 100 signs through vocabulary lessons and practice with engaging mini-games. Understand sign movements with slow-motion and trajectory visualizations.

**Highlights:** 100+ French Sign Language signs, Interactive 3D avatar demonstrations, Slow-motion and trajectory visualization, Choice of 5 animal avatars, Practice mini-games (Devine le signe, Memo-Signes)

**Features:** macOS Compatibility

**In-app purchases:** none


### LSF

[App page](https://appshunter.io/ios/app/lsf/id1489182495)

This platform enhances communication between parents and staff of affiliated schools and a nursery. It provides personalized updates on a child's learning journey and school announcements through a secure messaging system and newsfeed.

**Highlights:** Personalized child and class messages, Push notifications and in-app alerts, Private, personalized newsfeed, School event notice updates, Digitalized paper communication

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

**In-app purchases:** none


## Frequently asked questions

### Is SignEveil free?

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

### Is LSF free?

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

### Do SignEveil or LSF have ads?

Neither SignEveil nor LSF shows ads.

### Which is updated more often, SignEveil or LSF?

SignEveil ships an update every 2 weeks, and LSF every 2 months. Most recently, SignEveil was updated on October 7, 2026 and LSF on October 15, 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.*