Comparison

Radon Sniffer vs Weight Log

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

Head to head
About

Radon Sniffer

This utility app connects to a specific radon detection device via Bluetooth. It allows users to monitor radon levels in real-time, set up timed measurements, and configure device settings for expanded functionality.

Highlights
  • Real-time radon level monitoring
  • Bluetooth Low Energy connectivity
  • Timed run functionality
  • Configurable device settings
  • Companion app for CT007R hardware
Features
Read full description

This is a companion app for CT007R Radon Sniffers. Connect to your CT007R via Bluetooth Low Energy and you can monitor radon levels in real time, expand the usage of your CT007R with timed runs and configurable settings. For more information on CT007R Radon Sniffers, visit: http://radonsniffer.com/

About

Weight Log

Features
Read full description

Weight Log: Accurately Track Every Change with Data and Photos Can't remember weight fluctuations or see body changes? Weight Log, a body management tool focused on precise tracking, helps you clearly archive every change, making persistence no longer blind. ## Why Choose "Weight Log"? 1. Weight + Photos, Dual Tracking for Greater Clarity Photo Archiving: Take a photo each time you weigh in, paired with weight data, to visually compare body changes—progress you can actually see. 2. Calendar + List + Charts, Intuitive Data Presentation Data Integration: Automatically generate charts showing daily, weekly, and monthly changes at a glance, easily grasping fluctuation patterns. 3. Multi-dimensional Data, Comprehensive Body Status Tracking Core Tracking: Precisely record weight, waist circumference, thigh circumference, and other body measurements, giving you full insight into physical changes. 4. Healthy Habit Tracking, Smarter Management Sync Tracking: Log daily habits like diet, exercise, sleep, and water intake to explore their relationship with weight changes, providing scientific basis for health management. 5. Minimalist Operation, Focus on Recording Itself Easy to Use: Start recording immediately upon opening—no complicated setup required—so you can focus purely on tracking. 6. Beautiful Themes, Changing Moods While Recording Multiple Themes: Fresh Green, Energetic Blue, Soft Pink… Switch freely to make tracking feel more ritualistic. 7. Check-in Days + Exclusive Badges, Motivating Your Persistence Achievement System: Every effort is recognized, turning tracking into a lasting habit. >> For Users Like You Currently pursuing fat loss / shaping and wanting clear tracking of weight and body changes Prefer simple weight management without complex features Seek aesthetically pleasing interfaces and enjoy a clean user experience Want to scientifically manage health through habit tracking >> Start Recording Your Changes Now From today onward, let every weighing have meaning. Download "Weight Log", use photos and data, and meet a better version of yourself. Privacy Policy: http://tzjl.beijingmorning.cn/index/yinsi User Agreement: http://tzjl.beijingmorning.cn/index/zhengce

Screenshots

Radon Sniffer4 screens
Weight Log4 screens

Verdict

The call

The clearest difference is in-app purchases: Radon Sniffer at none against Weight Log's 7. Weight Log's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement 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. Weight Log sells 7 in-app purchases, starting at $2.99 per month. Radon Sniffer asks for nothing beyond the download.

UpkeepUpdate frequency

Radon Sniffer ships an update every 2 months, Weight Log weekly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 6 level
Radon Sniffer versus Weight Log: the parameters behind the verdict, then further details
ParameterRadon SnifferWeight Log
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.014.0
Further details — not scored
Size14 MB126 MB
Age rating4+17+
DeveloperEnvironmental Instruments Canada Inc.迪 王

In-app purchases

None

Radon Sniffer

No in-app purchases

7 purchases

Weight Log

Subscriptions7
  • 包月会员$2.991 Month
  • 年度会员$3.991 Year
  • Monthly Membership$3.991 Month
Show 4 more
  • 季度会员$4.993 Months
  • Quarterly Membership$7.993 Months
  • 年度会员$9.991 Year
  • Annual Membership$11.991 Year

Questions

Is Radon Sniffer free?
Radon Sniffer is free to download, with no in-app purchases.
Is Weight Log free?
Weight Log is free to download, with in-app purchases available.
Do Radon Sniffer or Weight Log have ads?
Neither Radon Sniffer nor Weight Log shows ads.
Which is updated more often, Radon Sniffer or Weight Log?
Radon Sniffer ships an update every 2 months, and Weight Log weekly. Most recently, Radon Sniffer was updated on September 24, 2026 and Weight Log on September 22, 2026.

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