AirGap Vault vs PSA Systems
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirGap Vault
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.
- 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)
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AirGap Vault is a blockchain agnostic crypto vault that turns your mobile phone into a cold wallet. AirGap Vault does not connect to any network, irrespective of the device used. This system built into the app makes it more secure than an ordinary crypto wallet. Transactions can be signed seamlessly without the use of cables, thanks to verifiable QR codes. This opens up multiple possibilities for interacting with other solutions. AirGap Vault is currently used alongside other companion apps like AirGap Wallet, MetaMask, Sparrow Wallet, BlueWallet, Specter, and any other QR code-based wallets. These companion apps serve as watch-only wallets that allow users to view portfolios and initiate transactions while the Vault signs transactions and protect your private keys offline. AirGap Vault supports: When paired with MetaMask - All EVM-compatible blockchains When paired with AirGap Wallet - Bitcoin - BTC, - Ethereum - ETH, - Polkadot - DOT, - Kusama - KSM, - Tezos - XTZ, - Cosmos - ATOM, - Moonbeam - GLMR, - Moonriver - MOVR, - Astar - ASTR, - Shiden - SDN, - Aeternity - AE, - Groestlcoin - GRS Features: - Segwit Support - MetaMask Support - Offline Address Overview - Secure Keyboard - Coin Flip & Dice Roll - Offline Key Generation - BIP39 Passphrase - Shamir Shares (Social Recovery) - BIP85 Child Entropy - Open Source Get the highest security by installing AirGap Vault on a separate smartphone, and never connect that phone with any network again. Another option is to install AirGap Vault and its companion app on the same device. Follow the step-by-step video on how to set up the AirGap solution: https://www.youtube.com/watch?v=M9ICKaLxuwQ To learn how to setup AirGap Vault with MetaMask watch this guide: https://www.youtube.com/watch?v=HIKJh0h7QiU
PSA Systems
This application serves as a learning and business resource for users of specific systems. It provides access to manuals and tools, alongside augmented reality features for marketing materials.
- Learning resource
- Business resource
- Manuals and tools
- Augmented reality features
- Marketing material integration
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The PSA App is a learning and business resource tool for PSA Systems. Along with various manuals and tools for current and potential customers, it also has augmented reality features for use with PSA System’s marketing materials.
Screenshots
Verdict
The clearest difference is rating: PSA Systems at 5.0 against AirGap Vault's 4.4. PSA Systems also leads on iOS requirement (11.0 vs 13.0). AirGap Vault's advantage is ratings volume (27 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PSA Systems holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: AirGap Vault has 27 ratings behind it against 2, so its average is the more settled of the two.
AirGap Vault ships an update every 2 months, PSA Systems every 3 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | AirGap Vault | PSA Systems |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (27 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 38.5% of reviews | — |
| Number of ratings | 27 — better | 2 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 116 MB | 341 MB |
| Age rating | 4+ | 4+ |
| Developer | Papers GmbH | VizVibe LLC |
Customer experience
AirGap Vault
PSA Systems
In-app purchases
AirGap Vault
No in-app purchases
PSA Systems
No in-app purchases
Questions
Is AirGap Vault free?
Is PSA Systems free?
Which has better reviews, AirGap Vault or PSA Systems?
Do AirGap Vault or PSA Systems have ads?
Which is updated more often, AirGap Vault or PSA Systems?
Other comparisons
