# VoltVault vs Authenticator App | Two Factor

The clearest difference is in-app purchases: VoltVault at none against Authenticator App | Two Factor's 4. VoltVault also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App | Two Factor sells 4 in-app purchases, starting at $1.99 per 7 days. VoltVault asks for nothing beyond the download.

VoltVault ships an update fortnightly, Authenticator App | Two Factor every 2 months. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | VoltVault | Authenticator App | Two Factor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 1 MB | 27 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [朝霞 程](https://appshunter.io/developer/1889121684) | [Bhadresh Jadav](https://appshunter.io/developer/1887857328) |

## What reviewers say

### VoltVault

[App page](https://appshunter.io/ios/app/voltvault/id6772879860)

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

**In-app purchases:** none


### Authenticator App | Two Factor

[App page](https://appshunter.io/ios/app/authenticator-app-two-factor/id6773094792)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $24.99 | one-time |


## Frequently asked questions

### Is VoltVault free?

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

### Is Authenticator App | Two Factor free?

Authenticator App | Two Factor is free to download, with in-app purchases available.

### Do VoltVault or Authenticator App | Two Factor have ads?

Neither VoltVault nor Authenticator App | Two Factor shows ads.

### Which is updated more often, VoltVault or Authenticator App | Two Factor?

VoltVault ships an update fortnightly, and Authenticator App | Two Factor every 2 months. Most recently, VoltVault was updated on October 10, 2026 and Authenticator App | Two Factor on October 1, 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.*