Legrand Time Switch vs MySTEMI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Legrand Time Switch
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With the new and free of charge Legrand time switch APP for mobiles, you can very simply create different time switch programs according to your needs. Thanks to the new BLE (Bluetooth Low Energy) key-adapter already installed digital time-switches can also be programmed with your tablet or smart-phone by using the existing programming key. No PC on-site necessary. Existing programs can be copied, modified and stored on your mobile devices. Installation and programming times are reduced significantly. You get all the programming options you need with a high flexibility. One App for all digital devices with an intuitive, self-explaining interface: get ready for the new Legrand time switch APP!
MySTEMI
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Cette application permet d’informer ou de sensibiliser les salariés via des infos flashs/vidéo. Elle leur permettra de créer, recevoir et consulter à tous moments les documents liés aux chantiers : demande de travaux, analyse de risques, accueil chantier, inspection chantier mais aussi de faire remonter les accidents de travail, soins et situations dangereuses, sans oublier la consultation des indicateurs personnels et d’entreprise. Un email d’information est envoyé aux personnes concernées à chaque validation de formulaire afin de l’informer sur les chantiers à venir, non-conformités ou dysfonctionnements. L’application est directement reliée aux bases de données de l’entreprise afin de traiter l’information en temps réel. Une version web est aussi accessible sur PC pour les personnes sédentaires. Grâce à My STEMI vos formulaires deviennent plus ludiques et donc plus faciles à mettre en œuvre, vos collaborateurs gagnent du temps, et sont plus réactifs.
Screenshots
Verdict
The clearest difference is update cadence: MySTEMI at every 2 weeks against Legrand Time Switch's every 8 months. Legrand Time Switch's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Legrand Time Switch ships an update every 8 months, MySTEMI every 2 weeks. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.
| Parameter | Legrand Time Switch | MySTEMI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 76 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Legrand | Anura |
In-app purchases
Legrand Time Switch
No in-app purchases
MySTEMI
No in-app purchases









