# Sail Energy vs ZeroTrustBioAuth

The clearest difference is update cadence: ZeroTrustBioAuth at every 2 months against Sail Energy's every 11 months. Sail Energy's advantage is device support (3 vs 1) and iOS requirement (12.2 vs 17.3). On price, 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.

Sail Energy ships an update every 11 months, ZeroTrustBioAuth every 2 months. The most recent releases landed on September 14, 2026 and December 21, 2025 respectively.

## The numbers

| Metric | Sail Energy | ZeroTrustBioAuth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 46 MB | 2 MB |
| Requires iOS | **12.2** | 17.3 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Sail Energy, LLC](https://appshunter.io/developer/1654232499) | [COLLABORATIONSTUDIOS.COM, LLC](https://appshunter.io/developer/1539011938) |

## What reviewers say

### Sail Energy

[App page](https://appshunter.io/ios/app/sail-energy/id6444415807)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZeroTrustBioAuth

[App page](https://appshunter.io/ios/app/zerotrustbioauth/id6587581224)

**In-app purchases:** none


## Frequently asked questions

### Is Sail Energy free?

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

### Is ZeroTrustBioAuth free?

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

### Do Sail Energy or ZeroTrustBioAuth have ads?

Neither Sail Energy nor ZeroTrustBioAuth shows ads.

### Which is updated more often, Sail Energy or ZeroTrustBioAuth?

Sail Energy ships an update every 11 months, and ZeroTrustBioAuth every 2 months. Most recently, Sail Energy was updated on September 14, 2026 and ZeroTrustBioAuth on December 21, 2025.

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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.*