iReForm vs AviCalc
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
iReForm
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iReForm is an electronic reports and forms tool for users of the iFlightOps digital document distribution system. Please note that this application is only intended for users with access to an DocBrowser Content Distribution server. Specific server and user account information is required in order to use this application.
AviCalc
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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.
Screenshots
Verdict
The clearest difference is update cadence: AviCalc at every 3 weeks against iReForm's every 4 months. AviCalc also leads on iOS requirement (15.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iReForm ships an update every 4 months, AviCalc every 3 weeks. The most recent releases landed on September 12, 2026 and September 19, 2026 respectively.
| Parameter | iReForm | AviCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 18.4 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 8 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | IT Flight Ops Solutions AB | Aldo Mendes Martins |
In-app purchases
iReForm
No in-app purchases
AviCalc
No in-app purchases
Questions
Is iReForm free?
Is AviCalc free?
Do iReForm or AviCalc have ads?
Which is updated more often, iReForm or AviCalc?
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