BlockFact vs Photo Cleaner+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlockFact
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BlockFact introduces .facti — a new image file format that proves a photo is authentic, unedited, and captured at a verified time and place. Every photo you take with BlockFact is cryptographically sealed at the moment of capture. The result is a .facti file—an image with built-in proof of origin that anyone can verify, without trusting the photographer, the platform, or us. HOW IT WORKS 1. Take a photo with BlockFact 2. Your device generates a zero-knowledge proof and Poseidon hash—entirely on-device, no upload required. 3. The proof is registered on the StarkNet blockchain. 4. A .facti file is built locally on your phone—containing the image, an invisible watermark, and the on-chain registration. The photo never leaves your device. Only a small cryptographic proof is sent to the blockchain. WHAT MAKES .FACTI DIFFERENT Unlike JPEG or PNG, a .facti file carries its own proof of authenticity: • When was it taken? Verified by on-chain timestamp. • Where was it taken? GPS coordinates sealed in the cryptographic hash • Who took it? Linked to the creator's blockchain wallet • Has it been edited? The invisible watermark and hash detect any tampering. Anyone can verify a .facti file at blockfact.io/verify—just drag and drop. WHO IS THIS FOR? • Journalists documenting events where authenticity matters • Photographers proving original work and protecting against AI-generated fakes • Legal and insurance professionals who need verifiable visual evidence • Content creators establishing provenance before publishing • Anyone who needs to prove a photo is real FOR DEVELOPERS BlockFact is also available as a React Native SDK (@blockfact/react-native-facti-pro) for developers building apps that need verified image capture. The BlockFact app is the reference implementation—try it to understand the .facti format, then integrate the SDK into your own product. PRIVACY BY DESIGN • Photos never leave your device—only a cryptographic hash is registered on-chain. • No accounts required beyond sign-in—no personal data collected • Zero-knowledge proofs mean the blockchain verifies your proof without seeing your photo. • Open verification—anyone can check a .facti file independently BUILT ON • StarkNet blockchain (Ethereum L2) • Groth16 zero-knowledge proofs via Arkworks • Poseidon hashing (quantum-resistant) • IANA-registered MIME type: image/vnd.blockfact.facti
Photo Cleaner+
This app helps you reclaim storage space on your device by identifying and removing duplicate photos, blurry shots, large files, and junk data. It offers a smart scan to quickly find what's consuming space and allows for one-tap cleaning after your review.
- Smart Scan for storage analysis
- Duplicate photo finder
- Similar and blurry photo removal
- Large file and video cleanup
- Screenshot cleanup
- Cache and junk file removal
- One-tap cleaning
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Running out of storage on your iPhone? Phone Storage Space Cleaner+ frees up gigabytes in seconds — without deleting the photos and memories you care about. Your device fills up fast with duplicate photos, blurry shots, forgotten screenshots, huge videos, and hidden app junk. Cleaner+ finds all of it in one Smart Scan and lets you clean it with a single tap, so you always have room for new photos, apps, and iOS updates. WHAT CLEANER+ DOES • Smart Scan — instantly see exactly what's eating your storage, sorted by how much space you'll get back. • Duplicate Photo Finder — spot identical and near-identical shots and keep only the best one. • Similar & Blurry Photos — clear out lookalike bursts, blurry pictures, and accidental snaps. • Large Files & Videos — sort your biggest videos and files by size and remove what you no longer need. • Screenshot Cleanup — wipe the pile of old screenshots you forgot about. • Cache & Junk Cleaner — remove leftover app clutter that quietly wastes space. • One-Tap Clean — free up space in seconds once you've chosen what to remove. HOW IT WORKS 1. Scan — open the app and run a Smart Scan of your storage. 2. Review — see everything grouped by type, with previews and sizes. 3. Clean — select what to remove and free up space instantly. WHY YOU'LL LOVE IT • Free up gigabytes in minutes, not hours. • A tidier phone with more room to breathe. • No more constant "Storage Full" warnings. • Simple, clear design anyone can use. • Your data stays private and under your control. YOU'RE ALWAYS IN CONTROL Nothing is deleted without your confirmation. You review every item before it's removed, your photos stay safe, and the scan runs right on your device. Clean smarter, not harder — and keep the memories that matter. STOP THE "STORAGE ALMOST FULL" ALERT Make room for new photos, 4K videos, apps, and the next iOS update — and stop deleting things you love just to free up a little space. PERFECT FOR • Shooting more photos and 4K videos without deleting the old ones. • Installing new apps, games and system updates. • Downloading music, podcasts and files for offline use. • Faster, smoother iOS updates with room to spare. • Keeping your camera roll neat, tidy and clutter-free. • A phone that feels lighter and easier to use every day. Download Phone Storage Space Cleaner+ and reclaim your storage today. Free to download with an optional in-app purchase (weekly, yearly, or a one-time lifetime unlock). Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: BlockFact at none against Photo Cleaner+'s 3. On price, update cadence, 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. Photo Cleaner+ sells 3 in-app purchases, starting at $4.99 per 7 days. BlockFact asks for nothing beyond the download.
BlockFact ships an update every 8 days, Photo Cleaner+ every 2 weeks. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.
| Parameter | BlockFact | Photo Cleaner+ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (16 ratings) — better |
| Positive reviews | — | 15.4% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | Every 8 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 150 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Knightfox App Design Limited | Premium Apps+ |
In-app purchases
BlockFact
No in-app purchases
Photo Cleaner+
- Weekly3 Days trial$4.997 Days
- Yearly$19.991 Year
- LifetimeFree









