# AirGap Vault vs Keystone Nexus

AirGap Vault and Keystone Nexus both sit at 4.4 stars, but that hides the real split: 38% of AirGap Vault's written reviews are positive against 20% of Keystone Nexus's. AirGap Vault also leads on device support (3 vs 1) and ratings volume (27 vs 9). Keystone Nexus's advantage is update cadence (fortnightly vs every 2 months). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.4 for AirGap Vault against 4.6 for Keystone Nexus. Both are backed by a comparable volume of ratings — 27 and 9 respectively. Written reviews are what separate them: 38% of AirGap Vault's written reviews are positive against 20% of Keystone Nexus's.

AirGap Vault ships an update every 2 months, Keystone Nexus fortnightly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AirGap Vault | Keystone Nexus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (27 ratings)](https://appshunter.io/ios/app/airgap-vault-secure-secrets/id1417126841/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/keystone-nexus/id6742313403/reviews)** |
| Number of ratings | **27** | 9 |
| Positive reviews | **38.5% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 116 MB | 54 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Papers GmbH](https://appshunter.io/developer/499825586) | [YANSSIE HK LIMITED](https://appshunter.io/developer/1567858117) |

## What reviewers say

### AirGap Vault

[App page](https://appshunter.io/ios/app/airgap-vault-secure-secrets/id1417126841)

This app transforms your phone into a secure, offline cryptocurrency vault. It supports numerous blockchains and integrates with other wallets for seamless, secure transaction signing without network connection.

**Highlights:** Blockchain agnostic crypto vault, Offline private key storage, Verifiable QR code transaction signing, Supports multiple companion wallets, Segwit support, Offline key generation, Shamir Shares (Social Recovery)

**Features:** Vision Pro support

**In-app purchases:** none


### Keystone Nexus

[App page](https://appshunter.io/ios/app/keystone-nexus/id6742313403)

Manage your digital assets securely with this companion app for a hardware crypto wallet. It offers multi-chain support, an intuitive interface, and full control over your assets, syncing across mobile and the hardware device.

**Highlights:** Multi-chain asset management, Intuitive user interface, Full asset control and ownership, Syncs with hardware wallet, Send and receive digital assets

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

**In-app purchases:** none


## Frequently asked questions

### Is AirGap Vault free?

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

### Is Keystone Nexus free?

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

### Which has better reviews, AirGap Vault or Keystone Nexus?

Keystone Nexus is rated higher. AirGap Vault averages 4.4 out of 5 from 27 ratings, while Keystone Nexus averages 4.6 from 9 ratings.

### Do AirGap Vault or Keystone Nexus have ads?

Neither AirGap Vault nor Keystone Nexus shows ads.

### Which is updated more often, AirGap Vault or Keystone Nexus?

AirGap Vault ships an update every 2 months, and Keystone Nexus fortnightly. Most recently, AirGap Vault was updated on November 2, 2026 and Keystone Nexus on November 4, 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.*