YellowSafe Lite vs Useful QR Code Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YellowSafe Lite
This safety app offers one-tap activation for a personal alarm, emergency calls to a designated contact, and a flashlight. It displays your real-time location and address with improved accuracy, even in rural or overseas areas.
- Personal alarm with adjustable volume
- One-tap emergency contact calling
- Multiple flashlight modes including SOS
- Real-time location and address display
- Customizable safety features
- Supports multiple languages
Read full descriptionHide full description
Your personal safety app - free, no ads, no data collected. One tap activates the personal alarm. One tap calls your emergency contact. One tap turns on the flashlight. Your real-time location and address are always on screen - now with improved accuracy in rural areas and overseas. Built for women walking alone at night, students on campus, and daily commuters - anyone who wants to feel safer every day. [ Key Features ] (1) Personal Alarm (3 types) Tap SOS to activate. Tap again to stop. Volume adjustable. (2) Emergency Call Instantly calls your pre-registered emergency contact. (3) Flashlight (4 types) Tap to turn on/off. SOS light mode included. (4) Real-Time Location & Address (improved accuracy) Current map and address displayed instantly. Major accuracy improvements in rural areas and overseas. [ Settings ] Alarm, call, and flashlight fully customizable in settings. [ Supported Languages ] Japanese, English, Chinese (Simplified), Spanish, French, Portuguese, Vietnamese Auto-detected from device settings. Unsupported languages default to English. Translation: NICT Minna no Jido Honyaku @ TexTra [ Privacy Policy ] https://yellowsafe.web.app/policy/privacypolicy.html [ Terms of Service ] https://yellowsafe.web.app/lite/regulation/TermOfService_free.html [ About YellowSafe Production Committee ] The world is made by everyone's work. We provide safe, secure, and comfortable living through smartphone apps. https://www.yellowsafe.net Bluesky: @yellowsafe.net
Useful QR Code Reader
Read full descriptionHide full description
A convenient QR Code Reader app has been released! This app is an easy, simple, and fast QR code reading application. Additionally, it is a handy QR code reader app that records your scan history. After launching the app, grant camera access, hold your device over a QR code, and scan it. The scanned QR code will be displayed at the top of the main screen. Tap it to open the browser and view the URL, or long-press to copy it to the clipboard and use the text as needed. After launching, tap the "Load Image" button and grant access to your photo library. Then, load an image containing a QR code, such as a screenshot, and the app will scan the QR code within the image. (In some cases, it may fail to read due to errors.) It's free, so feel free to use it! A paid version without ads (PRO version) is also available! [How to Use] - Point the camera at a QR code on the initial screen to scan it. - The top right button on the screen transitions to the main screen but skips QR code scanning. - The top left button on the screen scans a QR code from an image in the photo library. - The scanned content is displayed at the top of the main screen. - Tap to open the browser. - Long-press to copy to the clipboard. - QR code scan history is displayed at the bottom of the screen. - Delete all history with "Delete All History." - You can delete history individually. - Tapping on history entries also opens the browser. - Long-pressing history entries copies them to the clipboard. - Tap the "I" in the top right to view information about the app. - Use the back arrow in the top left to return to the initial QR code scanning screen. That's how to use the app. It is a simple, convenient, and fast QR code reading app! Download and try it today!
Screenshots
Verdict
The clearest difference is ads: YellowSafe Lite at none against Useful QR Code Reader's shown. Useful QR Code Reader's advantage is update cadence (weekly vs every 4 months) and iOS requirement (15.6 vs 18.6). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
YellowSafe Lite ships an update every 4 months, Useful QR Code Reader weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | YellowSafe Lite | Useful QR Code Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 25 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | hiroshi togawa | katapu.net |
In-app purchases
YellowSafe Lite
No in-app purchases
Useful QR Code Reader
No in-app purchases
Questions
Is YellowSafe Lite free?
Is Useful QR Code Reader free?
Do YellowSafe Lite or Useful QR Code Reader have ads?
Which is updated more often, YellowSafe Lite or Useful QR Code Reader?
Other comparisons















