Comparison

SLBLOCK vs QR Code Reader

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

Head to head
About

SLBLOCK

This app allows you to unlock a smart Bluetooth lock using your smartphone. It offers keyless entry and can automatically unlock when your phone's Bluetooth is active and in range. Secure your belongings with this convenient, app-controlled locking solution.

Highlights
  • Smartphone unlocking via Bluetooth
  • Keyless entry
  • Automatic unlocking with active Bluetooth
  • Secure storage for personal items
  • App-based device binding
Features
Read full description

你,我,他……我们每个人都会有一个需要守护的秘密或财物。   单身男需要把放气后的女朋友藏好,以免被爸妈发现;青年夫妇需要把皮鞭、制服等道具放在安全的地方,防止小孩子看到……如果这些你都不需要,那么外出时自行车、拉箱等东西总需要一把锁吧。   现在,一款智能蓝牙锁,就能帮我们解决这些问题,而且也不用担心需要的时候找不到钥匙了,因为这款智能蓝牙锁根本不用钥匙。   手机解锁:温柔一摸,芝麻开门   使用手机解锁时,使用者需要下载SLBLOCK的App,并通过蓝牙将SLBLOCK与手机绑定即可解锁。如果你手机上的蓝牙处于常开状态,那么你无需掏出手机,即可自动解锁。

About

QR Code Reader

Easily scan and create QR codes and barcodes with this fast utility. It supports various data types for generation and can read information from websites, contacts, and social media. Save your scan history and share generated codes effortlessly.

Highlights
  • Fast QR code and barcode scanning
  • Generate QR codes for SMS, Wi-Fi, vCard, web, etc.
  • Read website, contact, and social media QR codes
  • Unlimited scan history
  • Quick Wi-Fi QR code joining
  • Batch QR scanning
  • Save and share QR images
Features
Read full description

The most easy and fast QR Reader & Scanner! Our app could help you read and create QR code and Barcode information easily and fastly! Come on to download for FREE! To scan a QR code or Barcode simply open the app, point the camera at the QR code, and you’re done! There is no need to take a photo or press a button. The scanner will automatically recognize any QR Code, Barcode your camera is pointing at. Features: • Scan, read QR Code & Barcode very fast • Generate QR Code, support sms, wifi, vcard, web, message, phone, messenger • Browse QR Code, Barcode products • Read, and scan websites, contacts, messages, locations, phone numbers, e-mails, events, texts, and social media like Facebook Page, Instagram account • Unlimited save all QR Code, Barcode that you scan in your history • Scan Wifi QR code and quick join • Scan history • Fast batch QR scan • Save and share QR images easily to social media. Subscription And Terms: – Payment will be charged to iTunes Account at confirmation of purchase. – Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. – Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. – Subscriptions may be managed by you and you may turn off auto-renewal by going to the Account Settings after purchase. – Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription to that publication, where applicable. Privacy Policy: https://sites.google.com/view/qrcode-002 Terms of Use: https://sites.google.com/view/qrcode-001

Screenshots

SLBLOCK4 screens
QR Code Reader4 screens

Verdict

The call

The clearest difference is rating: QR Code Reader at 5.0 against SLBLOCK's 3.0. SLBLOCK's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence 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. QR Code Reader sells 3 in-app purchases, starting at $4.99 per 7 days. SLBLOCK asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

QR Code Reader holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

SLBLOCK ships an update every 4 months, QR Code Reader every 3 months. The most recent releases landed on June 1, 2026 and June 8, 2026 respectively.

Scorecard5 real differences · 5 level
SLBLOCK versus QR Code Reader: the parameters behind the verdict, then further details
ParameterSLBLOCKQR Code Reader
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews16.7% of reviews—
Number of ratings2 — better1
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size5 MB17 MB
Age rating4+4+
Developer键 张梦娟 林

Customer experience

SLBLOCK

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

QR Code Reader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SLBLOCK

No in-app purchases

3 purchases

QR Code Reader

Subscriptions3
  • QR Code Weekly Premium$4.997 Days
  • QR Code Monthly Premium$9.991 Month
  • QR Code Yearly Premium3 Days trial$29.991 Year

Questions

Is SLBLOCK free?
SLBLOCK is free to download, with no in-app purchases.
Is QR Code Reader free?
QR Code Reader is free to download, with in-app purchases available.
Which has better reviews, SLBLOCK or QR Code Reader?
QR Code Reader is rated higher. SLBLOCK averages 3.0 out of 5 from 2 ratings, while QR Code Reader averages 5.0 from 1 ratings.
Do SLBLOCK or QR Code Reader have ads?
QR Code Reader shows ads; SLBLOCK does not.
Which is updated more often, SLBLOCK or QR Code Reader?
SLBLOCK ships an update every 4 months, and QR Code Reader every 3 months. Most recently, SLBLOCK was updated on June 1, 2026 and QR Code Reader on June 8, 2026.

Other comparisons