THEOREM CONCEPTS vs BathCheck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
THEOREM CONCEPTS
This application functions as a remote control specifically for recliners. It allows users to operate their compatible recliner chairs directly from their iPhone or iPod.
- Recliner remote control
- iPhone and iPod compatible
- Dedicated recliner operation
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REMOTE CONTROL FOR RECLINERS ONLY.
BathCheck
This app helps assess bathroom dimensions to determine the correct equipment for individuals with mobility impairments. It guides users through inputting measurements to find suitable solutions for shower access without extensive renovations.
- Bathroom dimension input
- Mobility impairment solutions
- Shower access assessment
- Equipment configuration guidance
- Alternative to bathroom remodels
- Portability information
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BathCheck helps occupational therapists, mobility specialists, families, and individuals measure a bathroom and assess whether ShowerBuddy transfer equipment may fit — before committing to a purchase or arranging an in-person consultation. Designed for ShowerBuddy bathroom-mobility equipment, BathCheck provides a guided measurement and fit-assessment workflow on your phone or tablet. HOW IT WORKS Work through the guided step-by-step wizard. BathCheck prompts you to measure key bathroom dimensions — width, length, bath height, door clearances, and more — using annotated diagrams that show what to measure. Enter your measurements and BathCheck provides fit guidance for ShowerBuddy equipment (SB1, SB2, or SB2T), including relevant accessories and configuration options for the recorded bathroom layout. Results are based on the information entered and should be reviewed with the assessor or supplier. WHAT YOU GET • Measurement-based fit guidance for supported ShowerBuddy models • Equipment configuration guidance and relevant accessory recommendations • A cushion and sizing matrix — available in metric and imperial — to help select the right seating • The option to email your completed assessment to yourself, a therapist, or a supplier • The ability to save and review assessment history • Detailed product information and PDF reference materials, all accessible offline FOR OCCUPATIONAL THERAPISTS AND MOBILITY SPECIALISTS BathCheck helps prepare for a consultation by collecting the relevant measurements and assessment details in one guided flow. The app supports therapist, supplier, and end-user workflows, and accepts a client reference for record-keeping. LANGUAGES BathCheck v8 is available in English, German, French, and Spanish. The app guides you through language selection on first launch and the setting can be changed at any time. ABOUT SHOWERBUDDY Use BathCheck to collect bathroom measurements and review ShowerBuddy product and accessory information before discussing the assessment with an authorised supplier. BathCheck provides fit guidance; it does not replace professional assessment, product instructions or installation checks.
Screenshots
Verdict
The clearest difference is update cadence: BathCheck at every 2 months against THEOREM CONCEPTS's every 9 months. THEOREM CONCEPTS's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
THEOREM CONCEPTS ships an update every 9 months, BathCheck every 2 months. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.
| Parameter | THEOREM CONCEPTS | BathCheck |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 43 MB | 141 MB |
| Age rating | 4+ | 4+ |
| Developer | THEOREM Pty Ltd | Showerbuddy New Zealand Ltd |
Customer experience
THEOREM CONCEPTS
BathCheck
In-app purchases
THEOREM CONCEPTS
No in-app purchases
BathCheck
No in-app purchases









