# BiosystemLock vs Volt EV Charging

The clearest difference is update cadence: Volt EV Charging at monthly against BiosystemLock's every 14 months. Volt EV Charging also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BiosystemLock ships an update every 14 months, Volt EV Charging monthly. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | BiosystemLock | Volt EV Charging |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 40.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Monetization | — | Free |
| Size | 381 MB | 79 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Goh Siang Aik](https://appshunter.io/developer/1444710737) | [Volt Singapore Pte Ltd](https://appshunter.io/developer/1606309149) |

## What reviewers say

### BiosystemLock

[App page](https://appshunter.io/ios/app/biosystemlock/id1444710738)

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

**In-app purchases:** none


### Volt EV Charging

[App page](https://appshunter.io/ios/app/volt-ev-charging/id1606309147)

Find and navigate to nearby electric vehicle charging stations. Monitor your charging status, set fee limits, and make payments securely. Enjoy rewards to reduce charging costs.

**Highlights:** Locate and filter charging stations, Navigate to stations, Monitor charging status, Pay via credit/debit card, Set charging fee limits, Receive completion notifications, Earn rewards

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

**In-app purchases:** none


## Frequently asked questions

### Is BiosystemLock free?

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

### Is Volt EV Charging free?

Volt EV Charging is free to download, with no in-app purchases.

### Do BiosystemLock or Volt EV Charging have ads?

Neither BiosystemLock nor Volt EV Charging shows ads.

### Which is updated more often, BiosystemLock or Volt EV Charging?

BiosystemLock ships an update every 14 months, and Volt EV Charging monthly. Most recently, BiosystemLock was updated on September 16, 2026 and Volt EV Charging on September 18, 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.*