# Formula MAX vs HVAC Visual Learning Studio

The clearest difference is price: Formula MAX at $0.99 against HVAC Visual Learning Studio's $9.99. Formula MAX also leads on iOS requirement (13.0 vs 17.0). HVAC Visual Learning Studio's advantage is update cadence (fortnightly vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Formula MAX costs $0.99 and HVAC Visual Learning Studio $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Formula MAX ships an update every 11 months, HVAC Visual Learning Studio fortnightly. Both last shipped on November 13, 2026.

## The numbers

| Metric | Formula MAX | HVAC Visual Learning Studio |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | **[4.8 (52 ratings)](https://appshunter.io/ios/app/formula-max/id454108371/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 79.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 15 MB | 146 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mallow Technologies Private Limited](https://appshunter.io/developer/416807590) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### Formula MAX

[App page](https://appshunter.io/ios/app/formula-max/id454108371)

Access over 1100 physics, chemistry, and math formulas with a powerful search and offline access. Save favorites, use built-in calculators, and view a detailed periodic table. Designed for user convenience and quick reference.

**Highlights:** 1100+ formulas, definitions, and values, Offline access, Powerful search function, Favorites for quick access, Trigonometric and logarithmic calculators, Periodic table with element details

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive collection of 1000+ formulas across math, physics, and chemistry
- 🔍 Powerful search function for easy formula location
- ⭐ Excellent value at $0.99 price point
- 📱 Clean and intuitive user interface design
- 🧪 Useful periodic table included in chemistry section

**What reviewers complain about**

- 📖 Lacks explanations and examples for formulas
- ❌ Non-interactive formulas (displayed as images only)
- 🔤 Numerous spelling and grammar errors throughout
- 🧬 Chemistry section lacks depth and advanced topics
- 📏 Font sizes too small in some sections

**Reported bugs**

- Search function returns no results for some queries
- Display glitches preventing information from showing
- Inconsistent symbology and notation within sections
- Spacing errors in text
- App crashes or performance issues

**Requested features**

- Add worked examples demonstrating formula application
- Include interactive calculators for solving problems
- Provide step-by-step solution walkthroughs
- Add more advanced chemistry topics (thermodynamics, quantum mechanics, etc.)
- Include visual diagrams and illustrations


### HVAC Visual Learning Studio

[App page](https://appshunter.io/ios/app/hvac-visual-learning-studio/id6765779251)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Formula MAX free?

Formula MAX costs $0.99, with no in-app purchases.

### Is HVAC Visual Learning Studio free?

HVAC Visual Learning Studio costs $9.99, with no in-app purchases.

### Do Formula MAX or HVAC Visual Learning Studio have ads?

Neither Formula MAX nor HVAC Visual Learning Studio shows ads.

### Which is updated more often, Formula MAX or HVAC Visual Learning Studio?

Formula MAX ships an update every 11 months, and HVAC Visual Learning Studio fortnightly. Most recently, Formula MAX was updated on November 13, 2026 and HVAC Visual Learning Studio on November 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*