BioStar Air vs Volteec
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BioStar Air
Transform your smartphone into a secure mobile key for access control systems. Easily unlock doors at your office, gym, or school with a simple tap. Manage multiple credentials and ensure security with instant revocation options.
- Unlock doors with your phone
- Works when phone is locked
- Store multiple location credentials
- Instant credential revocation
- More secure than keycards
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Suprema Pass – Your Mobile Key for BioStar Air Unlock doors with your Phone. Suprema Pass is the official mobile wallet for BioStar Air, Suprema’s cloud-native access control platform. With Suprema Pass, your smartphone becomes a professional, secure credential for unlocking doors—at the office, gym, school, or anywhere BioStar Air is used. Key Features: * Tap and Go: Unlock doors using your phone * Works even when your phone is locked * Store credentials for multiple locations in one app * Revoke or replace credentials instantly if your phone is lost * More secure than physical keycards Who is it for? Suprema Pass is designed for users of BioStar Air a platform built by the global leader in biometric access control. If your organization uses BioStar Air and your administrator has issued you a mobile credential, you’re ready to get started. Note: You’ll need a BioStar Air-compatible access system and a credential issued by your organization’s administrator. Without these, the app cannot be used.
Volteec
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Advanced UPS monitoring for self-hosted environments. Requires a backend server (NUT or Volteec Backend). Volteec is a private, read-only UPS status viewer for iPhone and iPad, designed for homelab and self-hosted setups. Connect the app to your own monitoring backend to see: • UPS status (Online / On Battery / Offline) • Battery percentage and runtime (when available) • Load and voltage details (when available) • Real-time updates Optional push alerts are available via Relay for critical status changes. Note: Push alerts require your monitoring server to be reachable from the internet over HTTPS. If the server is offline or only accessible locally, notifications won’t be delivered. No Volteec account is required by default. The app does not collect personal data.
Screenshots
Verdict
The clearest difference is iOS requirement: BioStar Air at 16.4 against Volteec's 26.2. On price, update cadence, ads and in-app purchases 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.
BioStar Air ships an update every 6 weeks, Volteec every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | BioStar Air | Volteec |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 26.2 |
| Further details — not scored | ||
| Size | 133 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | SUPREMA | TEODOR DRAGAN |
In-app purchases
BioStar Air
No in-app purchases
Volteec
No in-app purchases









