By vs Proofivy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
By
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With its user friendly interface, By-gate allows you to control and monitor your Vimar gate with ease with your smartphone or tablet from anywhere, at any time. Create an account for the use of the By-gate service, connect your device to the Internet and immediately start to control your gate with a simple click. Don't mind remembering to close your gate, By-gate will notify you if you forgot it open, do not open the gate in the morning when you go out or at night when you get back, with By-gate you can set one or more timers and find it already open when needed. You can even have the gate open automatically, simply by approaching it at a distance as you like thanks to the App geolocation function.
Proofivy
Secure your intellectual property, copyright, and ideas with immutable, timestamped proof. Optionally monetize your creations by minting NFTs or publishing text content behind a stablecoin paywall.
- Irrefutable cryptographic proof of content
- 100% privacy for your files
- No crypto wallet required for blockchain verification
- Optional x402 publishing with USDC earnings
- Optional NFT minting on Optimism mainnet
- Blockchain verification for tamper-proof records
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Secure your IP, copyright, and ideas with irrefutable, timestamped proof. Optionally earn by minting a NFT or publishing your text behind a x402 stablecoin (USDC) paywall. Who it's for: • Creators & Artists: Protect your original work with tamper-proof timestamps that establish your ownership before sharing with the world • Writers & Content Creators: Publish your text content on x402 and earn USDC while maintaining blockchain-verified proof of authorship • Innovators & Entrepreneurs: Secure your ideas with cryptographic proof that can serve as foundation for patents and commercialization • Scientists & Researchers: Document discoveries and experiments with verifiable timestamps that can't be altered or disputed • Photographers: Establish authentic ownership of your images with digital seals Key Features: • Irrefutable Proof: Generate cryptographic Content Identifiers (CIDs) that uniquely represent your digital assets • 100% Privacy: Only fingerprints of your content are shared, your actual files remain private and secure • No Crypto Wallet Required: Commit your content identifiers directly to the blockchain without technical crypto knowledge • Blockchain Verification: Utilize the security of blockchains for permanent, tamper-proof records • Optional x402 Publishing: Publish your text content and earn USDC payments on Base mainnet through the x402 protocol • Optional NFT Minting: For web3 users, convert your commits into tradable NFTs on Optimism mainnet Proofivy is trusted by scientists, writers, artists, and developers worldwide. Proofivy is a member of the Content Authenticity Initiative (CAI), smart contracts are deployed on Optimism mainnet.
Screenshots
Verdict
The clearest difference is in-app purchases: By at none against Proofivy's 2. By also leads on iOS requirement (8.0 vs 18.0). Proofivy's advantage is update cadence (monthly vs every 3 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. Proofivy sells 2 one-off in-app purchases. By asks for nothing beyond the download.
By ships an update every 3 months, Proofivy monthly. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.
| Parameter | By | Proofivy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Requires iOS | 8.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 10 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Vimar S.p.A. | Cigeza B.V. |
In-app purchases
By
No in-app purchases
Proofivy
- CID Commit$1.99
- Message Commit$3.99









