AirGap Vault vs ONTO
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
ONTO
Securely manage your digital identity, data, and crypto assets across multiple blockchains. This decentralized wallet supports over 90,000 assets on 70+ chains, offering a unified platform for your digital life.
- Decentralized cross-chain wallet
- Manage digital identity (ONT ID)
- Securely store crypto assets
- Support for 90,000+ assets
- Compatibility with 70+ blockchains
- One-click multi-chain address management
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ONTO is the first truly decentralized, cross-chain wallet, allowing users to securely manage their identities, data, and digital assets all in one place. Wallet users can manage over 90,000 crypto assets on 70+ popular chains and explore our decentralized identity system within the app. With ONTO Wallet, users can create an ONT ID, a decentralized digital identity that fully protects their private data through an encryption algorithm and enables one-click multi-chain wallet address creation and management.
Screenshots
Verdict
The clearest difference is rating: AirGap Vault at 4.4 against ONTO's 3.9. AirGap Vault also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). ONTO's advantage is review sentiment (69% vs 38%) and update cadence (every 3 weeks vs every 2 months). On price, ads and device support 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. ONTO sells 1 one-off in-app purchase. AirGap Vault asks for nothing beyond the download.
AirGap Vault holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 26 and 87 respectively. Written reviews complicate that: 38% of AirGap Vault's written reviews are positive against 69% of ONTO's, so the app with the better star average is not the one people write more warmly about.
AirGap Vault ships an update every 2 months, ONTO every 3 weeks. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.
| Parameter | AirGap Vault | ONTO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (26 ratings) — better | 3.9 (87 ratings) |
| Positive reviews | 38.5% of reviews | 68.9% of reviews — better |
| Number of ratings | 26 | 87 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 98 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | Papers GmbH | Ontology Foundation |
Customer experience
AirGap Vault
ONTO
In-app purchases
AirGap Vault
No in-app purchases
ONTO
- .wallet domain NFT$1.99
