# BloodCOMM vs Rotor Load Calc

The clearest difference is in-app purchases: BloodCOMM at none against Rotor Load Calc's 2. BloodCOMM also leads on rating (5.0 vs 4.7). Rotor Load Calc's advantage is ratings volume (3 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rotor Load Calc sells 2 in-app purchases, starting at $1.99 per month. BloodCOMM asks for nothing beyond the download.

BloodCOMM holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

BloodCOMM ships an update fortnightly, Rotor Load Calc monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | BloodCOMM | Rotor Load Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bloodcomm/id6467690971/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/rotor-load-calc/id6751245025/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 98 MB | 7 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Delta Development Team, Inc.](https://appshunter.io/developer/1689268727) | [Josh Cerf](https://appshunter.io/developer/1834218666) |

## What reviewers say

### BloodCOMM

[App page](https://appshunter.io/ios/app/bloodcomm/id6467690971)

This application allows users to wirelessly monitor and manage the temperature of blood products stored in compatible portable medical refrigerators and smart blood coolers. It provides real-time data, historical records, and alerts for temperature excursions, ensuring compliance and product integrity.

**Highlights:** Real-time temperature monitoring, Bluetooth and cellular monitoring, Temperature history and graphs, Excursion alerts and recording, Downloadable PDF/CSV reports, Unit nickname assignment, Low battery notifications

**In-app purchases:** none


### Rotor Load Calc

[App page](https://appshunter.io/ios/app/rotor-load-calc/id6751245025)

This tool simplifies helicopter load calculations for pilots flying under government contracts. It generates fillable PDFs for performance calculations, signature, and submission, saving time and reducing errors. Easily manage and share your flight planning documents.

**Highlights:** Interagency helicopter load calculation, Fillable PDF generation, Aircraft performance data entry, Automated field population, File organization and sorting, Pilot and manager signature fields, PDF export and sharing options

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $1.99 | per month |
| 1 Year | $19.99 | per year |


## Frequently asked questions

### Is BloodCOMM free?

BloodCOMM is free to download, with no in-app purchases.

### Is Rotor Load Calc free?

Rotor Load Calc is free to download, with in-app purchases available.

### Which has better reviews, BloodCOMM or Rotor Load Calc?

BloodCOMM is rated higher. BloodCOMM averages 5.0 out of 5 from 1 ratings, while Rotor Load Calc averages 4.7 from 3 ratings.

### Do BloodCOMM or Rotor Load Calc have ads?

Neither BloodCOMM nor Rotor Load Calc shows ads.

### Which is updated more often, BloodCOMM or Rotor Load Calc?

BloodCOMM ships an update fortnightly, and Rotor Load Calc monthly. Most recently, BloodCOMM was updated on November 3, 2026 and Rotor Load Calc on November 5, 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.*