Flex vs Ener
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flex
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Flex-O propose des espaces de travail flexibles : bureaux privés, salles de réunion, coworking. L'application permet aux clients de gérer leur profil, leurs contrats, de réserver des espaces en ligne et d'accéder aux offres de services Flex-O. L'application propose l'authentification biométrique pour les clients. L'application permet également de parcourir les différents centres sans se connecter.
Ener
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Application de visualisation et de contrôle de consommations sur des systèmes connectés.
Screenshots
Verdict
The clearest difference is update cadence: Ener at daily against Flex's weekly. Ener also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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.
Flex ships an update weekly, Ener daily. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.
| Parameter | Flex | Ener |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 107 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | SaasOffice | Semaforlabs |
In-app purchases
Flex
No in-app purchases
Ener
No in-app purchases









