Comparison

By vs Proofivy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

About

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.

Highlights
  • 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
Features
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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

By4 screens
Proofivy4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Proofivy sells 2 one-off in-app purchases. By asks for nothing beyond the download.

UpkeepUpdate frequency

By ships an update every 3 months, Proofivy monthly. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
By versus Proofivy: the parameters behind the verdict, then further details
ParameterByProofivy
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Vision Pro
Requires iOS8.0 — better18.0
Further details — not scored
Size10 MB16 MB
Age rating4+4+
DeveloperVimar S.p.A.Cigeza B.V.

In-app purchases

None

By

No in-app purchases

2 purchases

Proofivy

One-time2
  • CID Commit$1.99
  • Message Commit$3.99

Questions

Is By free?
By is free to download, with no in-app purchases.
Is Proofivy free?
Proofivy is free to download, with in-app purchases available.
Do By or Proofivy have ads?
Neither By nor Proofivy shows ads.
Which is updated more often, By or Proofivy?
By ships an update every 3 months, and Proofivy monthly. Most recently, By was updated on October 27, 2026 and Proofivy on November 3, 2026.

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