Cat CPU System vs Coolbench
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cat CPU System
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《Cat CPU System》 Supported Device: Cat CPU Plus Gaming Controller By downloading the 'Cat CPU System,' you can perform a 'firmware update' to access the latest controller features and enjoy new gaming experiences with the Super Cat Gaming Controller Instructions: Turn on Bluetooth. Switch the Super Cat Gaming Controller form play mode to pairing mode. Open 《Cat CPU System》. Click the icon on the app screen and follow the on-screen instructions for pairing and firmware updates.
Coolbench
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Coolbench is the all-in-one toolkit for HVAC/R technicians — everything you reach for on a service call, in one fast, offline-first app. CHARGING ASSISTANT • Live superheat and subcooling with instant ON-TARGET / ADD / RECOVER verdicts • Saturation auto-computed from real refrigerant data (CoolProp) • Save readings to job history and export a PDF report 30+ PRO CALCULATORS • Target superheat, compression ratio, condenser split • Airflow CFM, air velocity, duct sizing (round/rect/oval), static pressure • Heat load (Manual-J-lite), psychrometrics, enthalpy, grains, dew point • Electrical: voltage drop, wire size, 3-phase power, kW/HP/BTU • Gas input, hydronic GPM, EER, furnace temp rise and more 150+ REFRIGERANTS & PT CHARTS • Pressure–temperature tables with glide, bubble and dew points • GWP, oil type and replaces / replaced-by lineage for each refrigerant EPA 608 EXAM PREP • Hundreds of original practice questions — Core and Type I / II / III • Study mode with instant feedback, plus a timed Exam mode with full review ACADEMY • 10 field lessons: refrigeration cycle, charging, airflow, electrical, psychrometrics and more AI COACH (online) • Ask HVAC questions and get clear, practical answers in the field • Focused on HVAC/R topics only Coolbench works fully offline (except the AI Coach). No account, no ads, no tracking. Coolbench Pro is a one-time purchase that unlocks all calculators, the full refrigerant set, premium EPA prep and the AI Coach. No subscription, ever. Coolbench is an educational reference tool. Always verify against manufacturer specifications and follow all applicable codes. ——— Coolbench Pro is a one-time purchase — no subscription, no recurring charges. Terms of Use: https://sites.google.com/view/terms-of-use-coolbench-hvac-to/home Privacy Policy: https://sites.google.com/view/privacypolicycoolbenchhvactool/home
Screenshots
Verdict
The clearest difference is in-app purchases: Cat CPU System at none against Coolbench's 1. Cat CPU System also leads on iOS requirement (15.0 vs 17.0). On price, ads 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. Coolbench sells 1 one-off in-app purchase. Cat CPU System asks for nothing beyond the download.
| Parameter | Cat CPU System | Coolbench |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 39 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Brook Design, LLC | Monirujjaman Monjil |
In-app purchases
Cat CPU System
No in-app purchases
Coolbench
- Coolbench Pro$12.99
Questions
Is Cat CPU System free?
Is Coolbench free?
Do Cat CPU System or Coolbench have ads?
Other comparisons
