Comparison

RehabKit vs Bubble Level Tool

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

Head to head
About

RehabKit

This app provides a suite of tools for rehabilitation professionals, including timers, measurement devices, calculators, and a comprehensive database of clinical resources. It aims to streamline data collection and provide quick access to essential clinical information.

Highlights
  • RSS Feed for rehabilitation journals
  • Stopwatch with min/max/average tracking
  • Inclinometer for frontal and sagittal plane movements
  • Rotation measurement for transverse plane movements
  • Metronome and Tempo for exercise timing
  • Tabata and EMOM interval timers
  • Averaging, HRR, and 1-RM calculators
  • Unit converter
  • Clinical Prediction Rules (CPRs) database
  • Clinical Practice Guidelines (CPGs)
Read full description

RehabKit – Precision Tools for Rehab & Performance RehabKit is a comprehensive toolkit built for physical therapists, athletic trainers, strength coaches, and performance professionals. Designed for real-world use, it brings together timing, measurement, analysis, clinical calculators, and research - all in one seamless workflow. Whether you’re in the clinic, on the field, or in the gym, RehabKit helps you move faster from assessment to action with precision and confidence. All the Tools You Need. One App. Timing Tools for Real Training Flow Tempo, Tabata, EMOM, Metronome, Timer, and Playlist tools give you complete control over session structure. - Audio cues, haptics, and voice support - Live Activities (Dynamic Island + Lock Screen) - Background execution so your session never stops - Fast setup with saved preferences - Wirelessly transfer Playlists to/from your clients Measurement & Motion Analysis Turn your device into a powerful assessment tool. - Inclinometer (digital goniometer) - Rotation (multi-axis movement tracking) - Cadence (real-time step rate) - Motion Analysis with video + pose detection Capture objective data where it matters most. Clinical Calculators Fast, repeatable calculations designed for real sessions: - Heart Rate Reserve (HRR) training zones - One-Rep Max (1RM) predictions (multiple formulas) - Recovery analysis - Limb symmetry comparisons Research That Stays Relevant Stay current without extra effort. - Curated feeds from leading rehab journals (JOSPT, BJSM, AJSM, and more) - Article summaries with images - Offline access for use anywhere Clinical Resources Built In Access evidence-based care instantly: - Clinical Practice Guidelines (CPGs) with summaries - Clinical Prediction Rules (CPRs) - Built-in viewers with fast navigation No switching apps. No lost time. Designed for How You Actually Work - Clean, fast navigation across all tools - Deep linking for instant access (even from widgets) - Customizable settings, audio, and feedback - Guided onboarding with in-app tutorials - Built for real sessions - not just demos Built on a Professional Foundation RehabKit is engineered with modern iOS frameworks for reliability and performance: - Sensor-driven measurement tools (CoreMotion) - High-precision audio timing engine - Real-time video analysis - Seamless subscription and trial experience Free Trial Download RehabKit and explore all features with a limited free trial before subscribing. Subscription Options Unlock full access with flexible options: - Monthly - Yearly - One-time purchase Subscriptions include: - Ongoing updates and enhancements - Access to new tools as they are released - Performance improvements and fixes Subscription Details - Payment will be charged to your Apple ID 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 - Your account will be charged for renewal within 24 hours prior to the end of the current period - You can manage subscriptions in your Account Settings after purchase - Any unused portion of a free trial will be forfeited upon subscription purchase EULA/Terms of Use: http://www.apple.com/legal/itunes/appstore/dev/stdeula Privacy Policy: https://rehabkit.app/app-privacy-policy RehabKit isn’t just a collection of tools—it’s a complete system for modern rehab and performance. Measure better. Move faster. Deliver results. Medical Disclaimer In addition to using this app, always consult with a physician or qualified healthcare provider before making medical decisions.

About

Bubble Level Tool

Measure precise angles and levels with your device. Easily switch between portrait, landscape, and surface level modes. Lock and reset angles for accurate measurements.

Highlights
  • Measure current device angle
  • Reset angle
  • Lock angle
  • Portrait mode
  • Landscape mode
  • Surface level
Read full description

Bubble Level Tool - Digital lets you see the current angle of your device, along with reseting and locking the angle too. Tilt the device to measure the precise angle and easily switch between portrait, landscape & surface level. If you have any questions or feedback, I'm all ears. Bubble Level Tool - Digital was created by an individual in his free time, and I’d love to know what you think. I’m available through Twitter @elohohel & Mastodon @elohohel@mastodon.social. Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ A subscription / purchase is required to continue using the app.

Screenshots

RehabKit4 screens
Bubble Level Tool4 screens

Verdict

The call

The clearest difference is review sentiment: RehabKit at 100% against Bubble Level Tool's 6%. RehabKit also leads on rating (5.0 vs 4.4). Bubble Level Tool's advantage is ratings volume (2.5K vs 82) and iOS requirement (15.0 vs 26.0). On price, update cadence, ads and in-app purchases 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. RehabKit sells 3 in-app purchases, starting at $12.99 per month and Bubble Level Tool sells 9 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RehabKit holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Bubble Level Tool has 2.5K ratings behind it against 82, so its average is the more settled of the two. Written reviews point the same way: 100% of RehabKit's written reviews are positive against 6% of Bubble Level Tool's.

UpkeepUpdate frequency

RehabKit ships an update every 9 days, Bubble Level Tool weekly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
RehabKit versus Bubble Level Tool: the parameters behind the verdict, then further details
ParameterRehabKitBubble Level Tool
PriceFreeFree
Rating5.0 (82 ratings) — better4.4 (2.5K ratings)
Positive reviews100.0% of reviews — better5.9% of reviews
Number of ratings822.5K — better
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size139 MB5 MB
Age rating12+4+
DeveloperSchumacher Physical Therapy and PerformanceRihab Mehboob

Customer experience

RehabKit

All ratings82 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bubble Level Tool

All ratings2,466 ratings
Positive84.6%
Neutral2.4%
Negative13.0%
Written reviews135 reviews
Positive5.9%
Neutral0.0%
Negative94.1%

Bugs and requests

RehabKit

Not enough reviews yet to summarise bugs or requests.

Bubble Level Tool

Reported bugs

2 issues
  • Inaccurate level readings
  • Compatibility issues with older devices

Requested features

3 requests
  • Percentage slope display option
  • Ability to switch between degree and percent
  • Refund/cancellation options

In-app purchases

3 purchases

RehabKit

Subscriptions2
  • Base Utilities (1-month)7 Days trial$12.991 Month
  • Base Utilities (1-year)7 Days trial$79.991 Year
One-time1
  • Base Utilities (Lifetime)$249.99
9 purchases

Bubble Level Tool

Subscriptions7
  • Bubble 1 Week$3.997 Days
  • Bubble 1 Week$4.997 Days
  • Bubble 1 Month3 Days trial$5.991 Month
Show 4 more
  • Bubble 1 Month$9.991 Month
  • Bubble 1 Year3 Days trial$24.991 Year
  • Bubble 6 Months$29.996 Months
  • Bubble 1 Year3 Days trial$39.991 Year
One-time2
  • Bubble Lifetime$17.99
  • Bubble Lifetime$69.99

Questions

Is RehabKit free?
RehabKit is free to download, with in-app purchases available.
Is Bubble Level Tool free?
Bubble Level Tool is free to download, with in-app purchases available.
Which has better reviews, RehabKit or Bubble Level Tool?
RehabKit is rated higher. RehabKit averages 5.0 out of 5 from 82 ratings, while Bubble Level Tool averages 4.4 from 2.5K ratings.
Do RehabKit or Bubble Level Tool have ads?
Neither RehabKit nor Bubble Level Tool shows ads.
Which is updated more often, RehabKit or Bubble Level Tool?
RehabKit ships an update every 9 days, and Bubble Level Tool weekly. Most recently, RehabKit was updated on October 14, 2026 and Bubble Level Tool on October 13, 2026.

Other comparisons