Eastside vs HVAC Visual Learning Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Eastside
Connect with a life-changing message and community. Access recent sermons, upcoming events, and manage donations. This tool supports your spiritual journey.
- Recent messages
- Upcoming events
- Online giving
- Spiritual connection tool
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At Eastside, we exist to connect people to the life changing message of Jesus. It is our desire this app helps you connect to that life changing message. With recent messages, upcoming events and even giving we hope this app is a great tool in your walk with Christ.
HVAC Visual Learning Studio
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HVAC Visual Learning Studio is the engineering toolkit, refrigerant database, animated simulation lab, and visual reference library that working HVAC engineers actually use. This is NOT a generic learning template. Every screen — calculators, refrigerants, simulators, illustrations, projects — is specifically built around the daily work of HVAC design, troubleshooting, and controls. WHAT MAKES THIS APP DIFFERENT → HVAC ENGINEERING CALCULATORS (NEW in v3.0) Eight production-ready calculators with live sliders: - Sensible heat load (q = 1.08 × CFM × ΔT) - Latent heat load (q = 4840 × CFM × ΔW) - Mixed air temperature - Duct sizing (equal-friction method) - Pump friction head loss - Refrigerant superheat & subcooling diagnostic — with charge interpretation - Annual cost of operation from EER, tonnage, and electricity rate - Sensible Heat Ratio classifier Every input drives the result live. No spreadsheet required. → REFRIGERANT DATABASE (NEW in v3.0) Nine common refrigerants compared side-by-side: R-22, R-410A, R-134a, R-32, R-454B, R-1234yf, R-290 (propane), R-744 (CO₂), R-717 (ammonia). For each: ASHRAE 34 safety class, GWP, ODP, critical properties, typical operating pressures, applications, and engineering notes. Filter by family — HFC, HFO, blend, or natural. Tap any card for the full datasheet. → HVAC SIMULATION LAB Four animated simulators built specifically for HVAC: - AHU Simulator — airflow particles, spinning supply fan, modulating dampers, virtual zone thermostat - Refrigeration Cycle on a P-h diagram with live COP and EER - Psychrometric Chart with live state plotting and process lines - Chiller Plant with staging logic, cooling tower, animated water flow → ILLUSTRATED REFERENCE GALLERY 56 high-resolution HVAC diagrams across 11 categories: whole-house residential, multi-unit, commercial, industrial, ventilation, controls, documentation. Full-screen viewer with pinch-zoom. → CURRICULUM Six modules: HVAC Fundamentals, Psychrometrics, Refrigeration, Air Distribution, Hydronics, and Controls/DDC. Lessons include code examples, quizzes, and bookmarks. → DESIGN PROJECTS Six worked examples: residential Manual J, single-zone RTU sequences, VAV with reheat and pressure reset (ASHRAE Guideline 36), chiller plant design, school DOAS+ERV, heat-recovery VRF. → SEARCHABLE REFERENCE Psychrometric equations, refrigerant properties, ASHRAE standards summaries, BACnet object types — searchable by keyword. BUILT FOR - HVAC design engineers running daily calculations - Building automation and DDC professionals - Energy auditors and commissioning agents - HVAC technicians studying for NATE, EPA 608, or PE exams - Mechanical engineering students - Architects who want to actually understand the systems they spec WHAT'S NEW IN v3.0 - HVAC Calculators tab — 8 engineering calculators (new tab on the bottom bar) - Refrigerants tab — 9-refrigerant searchable database (new tab on the bottom bar) - What's New screen on first launch highlighting the new features - Updated illustrated gallery to 56 diagrams across 11 categories This app is an educational reference. Always verify with current ASHRAE standards, manufacturer data, and local codes before designing or installing equipment.
Screenshots
Verdict
The clearest difference is price: Eastside at Free against HVAC Visual Learning Studio's $9.99. Eastside also leads on iOS requirement (13.4 vs 17.0). HVAC Visual Learning Studio's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases 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
Eastside is free to download; HVAC Visual Learning Studio costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Eastside ships an update every 2 months, HVAC Visual Learning Studio fortnightly. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.
| Parameter | Eastside | HVAC Visual Learning Studio |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 47 MB | 146 MB |
| Age rating | 4+ | 4+ |
| Developer | Eastside Baptist Church, INC | Yuhsiu Lai |
In-app purchases
Eastside
No in-app purchases
HVAC Visual Learning Studio
No in-app purchases
Questions
Is Eastside free?
Is HVAC Visual Learning Studio free?
Do Eastside or HVAC Visual Learning Studio have ads?
Which is updated more often, Eastside or HVAC Visual Learning Studio?
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