Comparison

AviCalc vs Study Organizer For Students

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

Head to head
About

AviCalc

Features
Read full description

Calculate your duty times, fuel uplifts easy and fast. To use the app, read the full text of instructions. Purpose of AviationCalc: Flight Duty Period Page: AviationCalc helps you calculate Maximum Duty Periods and Total Duty Periods, correcting for time zones from the start of duty location and end of duty time zone. Also, it will search maximum flight duty period for acclimatised crew for Hong Kong CAD. Fuel Uplift Page: AviationCalc helps you calculate fuel uplift in Kg, USG and Litres to help you calculate your data fast and easy. ***Disclamer*** The information this app presents should not be used as primary tool for your calculations. Allowing the app access your location will only allow the app to help get better precision on which Time Zone to use. Click on info button (bottom right) to pull up how-to-use alerts or whenever you want to change the regulatory institution or choose a different time after flight duty for total duty period calculation. If there is something wrong going on, tap the screen again. Please leave your review.

About

Study Organizer For Students

Features
Read full description

β€œBoost your study productivity with smart schedules and a built-in focus timer. Stay organized, track progress, and prepare for exams with ease.” Main Features (use bullet style): Smart Study Scheduling – Plan daily, weekly, or monthly sessions. Focus Timer (Pomodoro) – Stay on track with customizable timers. Progress Tracking – Measure completed hours and milestones. Subject Manager – Organize topics by color and category. Reminders & Notifications – Never miss a study session. Dark/Light Themes – Customize your study experience. Call-to-Action (closing): β€œDownload Study Schedules today and transform the way you learn. Stay focused, stay organized, and achieve your goals.” Subscription Details: β€’ Title: Savory All Access β€’ Subscription Options: β€’ Monthly: $7.99/month β€’ Annual: $39.99/year β€’ Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. β€’ Payment will be charged to your Apple ID account at confirmation of purchase. β€’ You can manage or cancel your subscription in your App Store account settings. β€’ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ β€’ Privacy Policy: https://docs.google.com/document/d/1b2FQZ_HK2I_6ZBJhiaJw_Vii5aKW9D4dYjGfP9C8efU/edit?usp=sharing

Screenshots

AviCalc4 screens
Study Organizer For Students4 screens

Verdict

The call

The clearest difference is in-app purchases: AviCalc at none against Study Organizer For Students's 3. AviCalc also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Study Organizer For Students sells 3 in-app purchases, starting at $5.99 per 7 days. AviCalc asks for nothing beyond the download.

UpkeepUpdate frequency

AviCalc ships an update every 3 weeks, Study Organizer For Students every 3 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

Scorecard3 real differences Β· 3 level
AviCalc versus Study Organizer For Students: the parameters behind the verdict, then further details
ParameterAviCalcStudy Organizer For Students
PriceFreeFree
Update frequencyEvery 3 weeks β€” betterEvery 3 months
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better17.6
Further details β€” not scored
Size9 MB19 MB
Age rating4+4+
DeveloperAldo Mendes MartinsFenuku Kekeli

In-app purchases

None

AviCalc

No in-app purchases

3 purchases

Study Organizer For Students

Subscriptions2
  • All Access for weekly7 Days trial$5.997 Days
  • All Access For A Year7 Days trial$39.991 Year
One-time1
  • All Access For LifeTime$99.99

Questions

Is AviCalc free?
AviCalc is free to download, with no in-app purchases.
Is Study Organizer For Students free?
Study Organizer For Students is free to download, with in-app purchases available.
Do AviCalc or Study Organizer For Students have ads?
Neither AviCalc nor Study Organizer For Students shows ads.
Which is updated more often, AviCalc or Study Organizer For Students?
AviCalc ships an update every 3 weeks, and Study Organizer For Students every 3 months. Most recently, AviCalc was updated on November 12, 2026 and Study Organizer For Students on November 5, 2026.

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