# Planet VO² vs TrustBuilder Authenticator

The clearest difference is iOS requirement: Planet VO² at 12.1 against TrustBuilder Authenticator's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Planet VO² ships an update every 6 weeks, TrustBuilder Authenticator every 2 months. The most recent releases landed on September 27, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Planet VO² | TrustBuilder Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/trustbuilder-authenticator/id1398273229/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 16.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 92 MB | 37 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SNEEP SAS](https://appshunter.io/developer/392927415) | [In-Webo Technologies](https://appshunter.io/developer/402454947) |

## What reviewers say

### Planet VO²

[App page](https://appshunter.io/ios/app/planet-vo/id1195588389)

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

**In-app purchases:** none


### TrustBuilder Authenticator

[App page](https://appshunter.io/ios/app/trustbuilder-authenticator/id1398273229)

Generate secure one-time passwords (OTPs) for enhanced account security. Supports push notifications for quick approvals and an offline mode for access without an internet connection.

**Highlights:** One-Time Password (OTP) generation, Push notification support, Offline mode, Secure account authentication, Administrator activation code required

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Planet VO² free?

Planet VO² is free to download, with no in-app purchases.

### Is TrustBuilder Authenticator free?

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

### Do Planet VO² or TrustBuilder Authenticator have ads?

Neither Planet VO² nor TrustBuilder Authenticator shows ads.

### Which is updated more often, Planet VO² or TrustBuilder Authenticator?

Planet VO² ships an update every 6 weeks, and TrustBuilder Authenticator every 2 months. Most recently, Planet VO² was updated on September 27, 2026 and TrustBuilder Authenticator on October 14, 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.*