# Call Forwarding vs Mean HVAC BS Tools

The clearest difference is review sentiment: Mean HVAC BS Tools at 100% against Call Forwarding's 8%. Mean HVAC BS Tools also leads on price (Free vs $2.99) and rating (5.0 vs 1.5). Call Forwarding's advantage is ratings volume (16 vs 4) and iOS requirement (10.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Mean HVAC BS Tools is free to download; Call Forwarding costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mean HVAC BS Tools holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 16 and 4 respectively. Written reviews point the same way: 8% of Call Forwarding's written reviews are positive against 100% of Mean HVAC BS Tools's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Call Forwarding | Mean HVAC BS Tools |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.5 (16 ratings)](https://appshunter.io/ios/app/call-forwarding/id421352949/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mean-hvac-bs-tools/id6621189879/reviews)** |
| Number of ratings | **16** | 4 |
| Positive reviews | 8.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 14 MB | 54 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Abdel Karim Souman](https://appshunter.io/developer/418658737) | [Mean HVAC Consulting & Design LLC](https://appshunter.io/developer/1761936254) |

## What reviewers say

### Call Forwarding

[App page](https://appshunter.io/ios/app/call-forwarding/id421352949)

Enable conditional call forwarding on your iPhone for busy, unanswered, or out-of-reach calls. Manage activation, deactivation, and status checks for these forwarding types. This app utilizes standard GSM call forwarding codes.

**Highlights:** Conditional call forwarding, Forward when busy, Forward when no answer, Forward when out of reach, Activate call forwarding, Deactivate call forwarding, Check call forwarding status

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

**In-app purchases:** none


### Mean HVAC BS Tools

[App page](https://appshunter.io/ios/app/mean-hvac-bs-tools/id6621189879)

This utility app offers a suite of calculators for HVAC professionals, including psychrometric analysis, duct sizing, insulation R-value estimation, and air bypass calculations. It helps engineers and technicians quickly determine essential parameters for system design and analysis.

**Highlights:** Single Point Psychrometrics, Mixed Air Psychrometrics, Duct Calculator (CFM, Diameter, Friction, Velocity), Smallest Zone Calculator, Bypass Calculator (Cooling/Heating), IR Wall Insulation R-Value Estimation, Parallel R-Value Calculator, Unit Converter

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

**In-app purchases:** none


## Frequently asked questions

### Is Call Forwarding free?

Call Forwarding costs $2.99, with no in-app purchases.

### Is Mean HVAC BS Tools free?

Mean HVAC BS Tools is free to download, with no in-app purchases.

### Which has better reviews, Call Forwarding or Mean HVAC BS Tools?

Mean HVAC BS Tools is rated higher. Call Forwarding averages 1.5 out of 5 from 16 ratings, while Mean HVAC BS Tools averages 5.0 from 4 ratings.

### Do Call Forwarding or Mean HVAC BS Tools have ads?

Neither Call Forwarding nor Mean HVAC BS Tools shows ads.

### Which is updated more often, Call Forwarding or Mean HVAC BS Tools?

Call Forwarding ships an update every 2 months, and Mean HVAC BS Tools every 2 months. Most recently, Call Forwarding was updated on October 29, 2026 and Mean HVAC BS Tools on October 24, 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.*