Comparison

Daily Graph Notes Diary vs Rotor Load Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Daily Graph Notes Diary

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
Read full description

A free simple and easy graph calendar diary app that records daily numbers and displays graphs. One line notes that is always displayed, daily comment is one line diary every day. Easy to enter and use time series measurement record notebook. Switch the first day of the week Sunday or Monday.

About

Rotor Load Calc

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
Read full description

Quickly and accurately generate, share, print, and save your Interagency Helicopter Load Calculation. Designed to assist helicopter pilots flying under government contracts by providing a fillable PDF that simplifies performance calculations. After entering basic aircraft information and performance data, Rotor Load Calc completes remaining fields and prepares the document for signature and submission. Simplify your flight planning with Rotor Load Calc. Save time and reduce errors with built-in calculations Line 5 fuel gallons to lbs conversion Lines 6, 9, 11, 12, 13, and 15 populate based on information you provide Line 8 populates after selection of preloaded aircraft Label and sort individual files by name or create custom folders for additional origination Pilot and manager signature fields Export a PDF, print, or send files via AirDrop, text, message, or email This software is a tool to assist with performance calculations. The user is responsible for verifying the accuracy of all data, information, and calculations. The user agrees the developers and related parties are not liable for any issues, actions, or incidents resulting from its use. Your acknowledgement indicates you have read, understand, and agree to the user terms and conditions. For technical support, inquiries, or to report any issues or discrepancies please contact helimetrics.trs@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Daily Graph Notes Diary1 screens
Rotor Load Calc4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
Daily Graph Notes Diary versus Rotor Load Calc: the parameters behind the verdict, then further details
ParameterDaily Graph Notes DiaryRotor Load Calc
PriceFreeFree
Rating3.9 (9 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings9 — better2
Update frequencyEvery 19 monthsMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size14 MB7 MB
Age rating4+4+
DeveloperSHIGETO TAKAGIJosh Cerf

Customer experience

Daily Graph Notes Diary

All ratings9 ratings
Positive66.7%
Neutral11.1%
Negative22.2%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Rotor Load Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Daily Graph Notes Diary

No in-app purchases

2 purchases

Rotor Load Calc

Subscriptions2
  • 1 Month$1.991 Month
  • 1 Year$19.991 Year

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.

Other comparisons