Comparison

QR Code Inspector vs NostrKey Web Extension

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

Head to head
About

QR Code Inspector

Features
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Scan and preview URLs for secure online navigation. Make sure you see the link before you visit it. You can swipe and delete or hit "Go" to visit the website. Frequently visited sites are saved automatically in history for instant access, eliminating the need to rescan QR codes. Why QR Inspector? Safety: Some QR codes can lead you to harmful or unsafe website. It is best to see the full URL before deciding to open the link in your browser. Convenience: No need to have the QR code once you scanned it once. It is automatically saved in the app history until you choose to delete it. This way you can visit that page over and over again. More than that, you can copy all the URL's in the app and paste them to your Notes or email for sending them to your friends and family, or just to bookmark them on your computer browser.

About

NostrKey Web Extension

Features
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NostrKey is a Safari extension for macOS and iOS that manages your Nostr identities and signs events on your behalf โ€” your private keys never touch the websites you visit. Features: โ€ข NIP-07 signing โ€” works with any Nostr web app โ€ข NIP-46 nsecBunker โ€” remote signing, your key never leaves the bunker โ€ข NIP-44 encryption โ€” modern ChaCha20-Poly1305 messaging โ€ข Encrypted document vault โ€” zero-knowledge storage on Nostr relays โ€ข API key vault โ€” encrypted secret storage โ€ข Master password โ€” keys encrypted at rest with auto-lock โ€ข Multi-profile support โ€” manage multiple Nostr identities โ€ข Per-site permissions โ€” control which sites can request signatures โ€ข iCloud sync โ€” profiles, settings, and vault data sync across your Apple devices via storage.sync (Safari 16+, user-toggleable) Your keys. Your control. No data collection. No tracking. Fully open source.

Screenshots

QR Code Inspector4 screens
NostrKey Web Extension4 screens

Verdict

The call

The clearest difference is update cadence: NostrKey Web Extension at monthly against QR Code Inspector's every 25 months. NostrKey Web Extension also leads on iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

QR Code Inspector ships an update every 25 months, NostrKey Web Extension monthly. The most recent releases landed on September 27, 2026 and October 14, 2026 respectively.

Scorecard2 real differences ยท 4 level
QR Code Inspector versus NostrKey Web Extension: the parameters behind the verdict, then further details
ParameterQR Code InspectorNostrKey Web Extension
PriceFreeFree
Update frequencyEvery 25 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, Mac โ€” better
Requires iOS18.616.0 โ€” better
Further details โ€” not scored
Size7 MB15 MB
Age rating4+4+
DeveloperEasy Simple SmartHumanjava Enterprises

In-app purchases

None

QR Code Inspector

No in-app purchases

None

NostrKey Web Extension

No in-app purchases

Questions

Is QR Code Inspector free?
QR Code Inspector is free to download, with no in-app purchases.
Is NostrKey Web Extension free?
NostrKey Web Extension is free to download, with no in-app purchases.
Do QR Code Inspector or NostrKey Web Extension have ads?
Neither QR Code Inspector nor NostrKey Web Extension shows ads.
Which is updated more often, QR Code Inspector or NostrKey Web Extension?
QR Code Inspector ships an update every 25 months, and NostrKey Web Extension monthly. Most recently, QR Code Inspector was updated on September 27, 2026 and NostrKey Web Extension on October 14, 2026.

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