# Daily Graph Notes Diary vs Rotor Load Calc

The clearest difference is review sentiment: Rotor Load Calc at 100% against Daily Graph Notes Diary's 50%. Rotor Load Calc also leads on rating (5.0 vs 3.9) and ads (none vs shown). Daily Graph Notes Diary's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 2). On price 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. Daily Graph Notes Diary asks for nothing beyond the download.

Rotor Load Calc holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 50% of Daily Graph Notes Diary's written reviews are positive against 100% of Rotor Load Calc's.

Daily Graph Notes Diary ships an update every 19 months, Rotor Load Calc monthly. The most recent releases landed on August 16, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | Daily Graph Notes Diary | Rotor Load Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/daily-graph-notes-diary/id640058891/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rotor-load-calc/id6751245025/reviews)** |
| Number of ratings | **9** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 14 MB | 7 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Josh Cerf](https://appshunter.io/developer/1834218666) |

## What reviewers say

### Daily Graph Notes Diary

[App page](https://appshunter.io/ios/app/daily-graph-notes-diary/id640058891)

This app allows users to easily record daily numerical data and create visual graphs. It functions as a simple diary with one-line notes and daily comments, perfect for tracking time-series measurements. Users can customize the start day of the week.

**Highlights:** Record daily numbers, Display data as graphs, One-line daily notes, Daily comment diary entry, Time-series measurement tracking, Customizable start day of the week

**Features:** Vision Pro support

**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 Daily Graph Notes Diary free?

Daily Graph Notes Diary 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, Daily Graph Notes Diary or Rotor Load Calc?

Rotor Load Calc is rated higher. Daily Graph Notes Diary averages 3.9 out of 5 from 9 ratings, while Rotor Load Calc averages 5.0 from 2 ratings.

### Do Daily Graph Notes Diary or Rotor Load Calc have ads?

Daily Graph Notes Diary shows ads; Rotor Load Calc does not.

### Which is updated more often, Daily Graph Notes Diary or Rotor Load Calc?

Daily Graph Notes Diary ships an update every 19 months, and Rotor Load Calc monthly. Most recently, Daily Graph Notes Diary was updated on August 16, 2026 and Rotor Load Calc on July 31, 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.*