# KeyVault vs ZERO BREEZE

KeyVault and ZERO BREEZE are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for KeyVault against 5.0 for ZERO BREEZE. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

KeyVault ships an update every 3 weeks, ZERO BREEZE every 6 weeks. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | KeyVault | ZERO BREEZE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/keyvault/id6504899031/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/zero-breeze/id6738071610/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 85 MB | 59 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tuners Technology Limited](https://appshunter.io/developer/1712061638) | [Zero Breeze Tech Inc.](https://appshunter.io/developer/1780496491) |

## What reviewers say

### KeyVault

[App page](https://appshunter.io/ios/app/keyvault/id6504899031)

This app is an innovative offline signing tool designed for secure digital asset management. It prioritizes user safety by keeping mnemonic phrases offline and using QR codes for secure interaction, eliminating the need for internet connections or wireless transfers.

**Highlights:** Offline mnemonic phrase storage, QR code interaction for signing, Multi-signature functionality with NexVault, Secure backup and recovery, Support for multiple blockchain networks, Open-source code

**In-app purchases:** none


### ZERO BREEZE

[App page](https://appshunter.io/ios/app/zero-breeze/id6738071610)

Control your portable air conditioner remotely. Adjust temperature, humidity, fan speed, and set timers. Update your device's firmware for improved performance directly through the app.

**Highlights:** Temperature control, Humidity regulation, Fan speed adjustment, Timer settings, Lighting control, Firmware upgrades

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeyVault free?

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

### Is ZERO BREEZE free?

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

### Which has better reviews, KeyVault or ZERO BREEZE?

KeyVault and ZERO BREEZE are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do KeyVault or ZERO BREEZE have ads?

Neither KeyVault nor ZERO BREEZE shows ads.

### Which is updated more often, KeyVault or ZERO BREEZE?

KeyVault ships an update every 3 weeks, and ZERO BREEZE every 6 weeks. Most recently, KeyVault was updated on September 21, 2026 and ZERO BREEZE on September 19, 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.*