Comparison

Bubble Level + Measure Kit vs CPAP Tracker & Journal

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

Head to head
About

Bubble Level + Measure Kit

This utility app turns your device into a high-precision spirit level. Measure angles on any surface with a beautifully designed interface. Available at a special limited-time price.

Highlights
  • High precision spirit level
  • Angle measurement
  • Beautifully designed UI
  • Pocket-sized utility
  • iPhone and iPad compatible
Features
Read full description

Turn your iPhone and iPad into a complete measuring toolkit. Su Terazisi + started as a precise bubble level โ€“ version 2.0 grows it into 12 tools in one clean, ad-free app. LEVEL & ANGLE โ€ข Bubble level: classic vial on an edge, bullseye level when lying flat โ€ข Two-step calibration for true precision โ€ข Angle finder with plumb line and surface slope โ€ข Read in degrees, percent slope, mm/m, in/ft or 1:x ratio โ€ข Camera level: line up photos, shelves and frames through the camera MEASURE โ€ข Ruler calibrated to your device's screen, in cm and inches โ€ข Protractor for any angle on screen โ€ข Height finder: measure trees, walls and buildings by aiming the camera COMPASS & QIBLA โ€ข Clear compass with true or magnetic north โ€ข Qibla direction from your location, with distance to the Kaaba and a gentle vibration when you face it SENSORS โ€ข Metal detector: magnetic field strength in ยตT โ€ข Vibration meter: live seismograph with peak and RMS โ€ข Barometer: air pressure, height change and floors โ€ข Sound meter: noise level in dB with average and maximum โ€ข Light meter: illuminance in lux MADE FOR REAL WORK โ€ข Hold and Zero on every measuring tool โ€ข Save readings, add notes and export them as CSV โ€ข Haptic feedback when you hit level โ€ข Dark and light themes with large, easy-to-read numbers โ€ข Works offline. No ads, no subscriptions, no tracking โ€“ your measurements stay on your device. Sound, light and magnetic readings are estimates from your device's sensors and are not a substitute for certified instruments. FREE & PRO Level, Angle Finder and Compass & Qibla are free. Every other tool is part of Pro, a one-time purchase with no subscription โ€“ and you can try each Pro tool 3 times for free. Bought Su Terazisi before version 2.0? Pro is included.

About

CPAP Tracker & Journal

Features
Read full description

Finally, a sleep tracker built specifically for people with sleep apnea who want to optimize their therapy and take control of their sleep health. TRACK YOUR CPAP SETTINGS IN DETAIL - Log pressure, humidity, and heater tube temperature - Record daily sleep scores from terrible to great - Add personal notes about each night - Track symptoms: dry mouth, rainout, and more - Monitor partner observations: snoring, sleepwalking, sleep talking OPTIMIZE YOUR THERAPY NIGHT-TO-NIGHT Compare your symptoms and sleep quality when using CPAP vs. without. Our insights tab shows you patterns in symptom frequency and intensity, helping you identify what settings work best for your body. Fine-tune your pressure, humidity, and temperature to wake up feeling truly rested. SHARE DATA WITH YOUR DOCTOR Export your complete sleep log as a CSV file to share with your physician. Give them the detailed data they need to help you optimize your treatment plan. No more trying to remember weeks of sleep data at your appointments. PERSONALIZED ONBOARDING We take time to understand your unique situation during setup. Whether you're newly diagnosed or a CPAP veteran, we'll customize your tracking experience to match your symptoms and goals. BUILT FOR REAL SLEEP APNEA PATIENTS This app was created by someone with sleep apnea, for people with sleep apnea. We understand the daily challenges of CPAP therapy and built the tracking tool we wished existed. FEATURES AT A GLANCE - Detailed CPAP settings tracking (pressure, humidity, temperature) - Comprehensive symptom logging with intensity scales - CPAP vs. non-CPAP comparison insights - Sleep quality scoring system - Partner observation tracking - CSV export for medical appointments - Personalized onboarding flow - Sleep apnea likelihood quiz for undiagnosed users Whether you use ResMed AirSense, Philips DreamStation, or any other CPAP machine, this app helps you master your therapy and improve your sleep quality night after night. Take control of your sleep apnea treatment today. -------- MEDICAL DISCLAIMER This app is designed for personal tracking purposes only and is not a medical device. It does not provide medical diagnoses or treatment recommendations. Always consult a qualified healthcare professional before making any decisions about your health or treatment. Do not disregard professional medical advice based on information recorded in this app. -------- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Bubble Level + Measure Kit4 screens
CPAP Tracker & Journal4 screens

Verdict

The call

The clearest difference is update cadence: CPAP Tracker & Journal at fortnightly against Bubble Level + Measure Kit's every 3 months. CPAP Tracker & Journal also leads on iOS requirement (15.1 vs 17.0). 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. Bubble Level + Measure Kit sells 1 one-off in-app purchase and CPAP Tracker & Journal sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bubble Level + Measure Kit ships an update every 3 months, CPAP Tracker & Journal fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 6 level
Bubble Level + Measure Kit versus CPAP Tracker & Journal: the parameters behind the verdict, then further details
ParameterBubble Level + Measure KitCPAP Tracker & Journal
PriceFreeFree
Positive reviews12.5% of reviewsโ€”
Update frequencyEvery 3 monthsFortnightly โ€” better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidโ€”
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.015.1 โ€” better
Further details โ€” not scored
Size3 MB51 MB
Age rating4+12+
DeveloperSensonetEpicfy

In-app purchases

1 purchases

Bubble Level + Measure Kit

One-time1
  • Pro$1.99
1 purchases

CPAP Tracker & Journal

Subscriptions1
  • Monthly$4.991 Month

Questions

Is Bubble Level + Measure Kit free?
Bubble Level + Measure Kit is free to download, with in-app purchases available.
Is CPAP Tracker & Journal free?
CPAP Tracker & Journal is free to download, with in-app purchases available.
Do Bubble Level + Measure Kit or CPAP Tracker & Journal have ads?
Neither Bubble Level + Measure Kit nor CPAP Tracker & Journal shows ads.
Which is updated more often, Bubble Level + Measure Kit or CPAP Tracker & Journal?
Bubble Level + Measure Kit ships an update every 3 months, and CPAP Tracker & Journal fortnightly. Most recently, Bubble Level + Measure Kit was updated on November 1, 2026 and CPAP Tracker & Journal on October 31, 2026.

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