Comparison

QR Code Inspector vs Future Letter

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

Future Letter

Features
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Time SMS lets you write messages today and deliver them in the future. Send a normal SMS notification with a private link, so recipients can open the full message page when the time arrives. Use it for love notes, birthday wishes, anniversary memories, personal reminders, future letters, and moments you do not want to forget. You can create future messages with text and rich content such as images, voice, video, and documents. Choose the delivery time and time zone, preview the message, and schedule it with points. Perfect for: Future letters to yourself Birthday and anniversary wishes Long-distance love messages Private reminders Memories, photos, voice, and video Important dates and personal moments Time SMS is designed for private, meaningful delayed messages, delivered at the right time. Time SMS uses points for scheduling future messages. Points are consumable in-app purchases and are deducted only when a message is successfully scheduled.

Screenshots

QR Code Inspector4 screens
Future Letter4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Inspector at none against Future Letter's 3. Future Letter's advantage is update cadence (monthly vs every 25 months) and iOS requirement (13.0 vs 18.6). On price, ads 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. Future Letter sells 3 one-off in-app purchases. QR Code Inspector asks for nothing beyond the download.

UpkeepUpdate frequency

QR Code Inspector ships an update every 25 months, Future Letter monthly. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

Scorecard3 real differences ยท 3 level
QR Code Inspector versus Future Letter: the parameters behind the verdict, then further details
ParameterQR Code InspectorFuture Letter
PriceFreeFree
Update frequencyEvery 25 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS18.613.0 โ€” better
Further details โ€” not scored
Size7 MB50 MB
Age rating4+4+
DeveloperEasy Simple Smart้”ก็ƒ ๅˆ˜

In-app purchases

None

QR Code Inspector

No in-app purchases

3 purchases

Future Letter

One-time3
  • Recharge 5 Points$0.99
  • Recharge 18 Points$2.99
  • Recharge 50 Points$7.99

Questions

Is QR Code Inspector free?
QR Code Inspector is free to download, with no in-app purchases.
Is Future Letter free?
Future Letter is free to download, with in-app purchases available.
Do QR Code Inspector or Future Letter have ads?
Neither QR Code Inspector nor Future Letter shows ads.
Which is updated more often, QR Code Inspector or Future Letter?
QR Code Inspector ships an update every 25 months, and Future Letter monthly. Most recently, QR Code Inspector was updated on September 27, 2026 and Future Letter on October 9, 2026.

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