Comparison

Formulas +, your 4 collections vs SkySolve

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

Head to head
About

Formulas +, your 4 collections

This app consolidates essential formulas for mathematics, physics, chemistry, and technical subjects into a single, easy-to-use application. It features an intelligent search function and provides clear explanations and graphics to aid understanding.

Highlights
  • Consolidated formulas for multiple subjects
  • Intelligent search function
  • Explanations and graphics
  • Calculation function (In-App Purchase)
  • User suggestion feature
Read full description

Four formularies for mathematics, physics, chemistry and technics? Have to buy all of them individually, load them and open them? NO, not anymore! Formulas + combines all important formularies into one. That means you only need to buy one, load one – it is really easy. The app covers all subjects you have in your school life and is probably the most extensive formulary in the app-store. Awards: App of the week: CW40/2012 – Telefon.de You hate looking for formulas for a long time? Thanks to an integrated intelligent search function searching becomes child’s play and you will find your formulas quickly. Made by students for students. We know what you have to struggle with in the natural scientific mathematical subjects and would like to give you a helping hand with this app. Who does not want a little helper which you can use quickly during the lessons at school or at home when you work at your desk? Even a great mathematician/physicist/chemist/technician is powerless without the right formulas. It does not matter whether you like these subjects or you have difficulties memorizing the combination of letters and arithmetic operators, this app is your best friend in any case. In addition to the formulas you will find extensive, appropriate explanations and graphics, which offer clarity. Available tips for the formulas will help you and provide a good general knowledge. Should you need a hint to find the correct way to calculate, the innovative calculation function with a detailed way to calculate and commentary can be used (In-App Purchase required). Should you have a suggestion for improvement or find a mistake, we will be happy to hear it. To make it as simple as possible for you, we have developed an additional procedure for that. You will have to click on the top right on the "Suggestion send" Button, on the particular formula page. Design and graphics from http://www.global-art-studios.de We explicitly recommend, however, not to use this app and a smartphone during exams, tests, class tests or even final exams and we refuse liability for possible punishment and exclusion as well as failures due to improper and wrong usage of the contents.

About

SkySolve

Read full description

Pilot students need to get familiar with unit conversions (for example ft to m or kts to km/h) and experienced pilots should keep up their practice in converting units quickly in-flight to ensure a save flight. Get peace of mind with SkySolve: Mental math and unit conversion training at your fingertips, specifically made for pilots. SkySolve currently offers the following exercise types: - Addition, Subtraction, Multiplication and Division - Feet to Meters - Flight Level to Meters - Knots to km/h - Nautical Miles to km - Opposite Heading calculation - 3 Times Table (as it's key in order to get very quick in converting feet to meters) Additional Features: - Automatic answer submission: Once your answer is entered correctly, the app accepts it and jumps to the next exercise, without the need of pressing "enter" or "submit". This makes your practice more efficient. - See your progress by collecting points with every correct answer. The points are stored locally on your device and will cumulate over time. - SkySolve features a lock screen widget that you can use as a quick access button from your home screen.

Screenshots

Formulas +, your 4 collections4 screens
SkySolve3 screens

Verdict

The call

The clearest difference is price: SkySolve at Free against Formulas +, your 4 collections's $3.99. SkySolve also leads on in-app purchases (none vs 2). Formulas +, your 4 collections's advantage is iOS requirement (12.0 vs 17.6). On 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

SkySolve is free to download; Formulas +, your 4 collections costs $3.99 up front. Formulas +, your 4 collections sells 2 one-off in-app purchases. SkySolve asks for nothing beyond the download.

Scorecard3 real differences Β· 5 level
Formulas +, your 4 collections versus SkySolve: the parameters behind the verdict, then further details
ParameterFormulas +, your 4 collectionsSkySolve
Price$3.99Free β€” better
Positive reviews38.5% of reviewsβ€”
Update frequencyEvery 4 monthsβ€”
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationPaidβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS12.0 β€” better17.6
Further details β€” not scored
Size27 MB2 MB
Age rating4+4+
Developerapp-solutions.deJonas Philipp Haru Andres Vetsch*

In-app purchases

2 purchases

Formulas +, your 4 collections

One-time2
  • Basics Pack$0.99
  • Geometry/Stereometry Pack 1$0.99
None

SkySolve

No in-app purchases

Questions

Is Formulas +, your 4 collections free?
Formulas +, your 4 collections costs $3.99, and also offers in-app purchases.
Is SkySolve free?
SkySolve is free to download, with no in-app purchases.
Do Formulas +, your 4 collections or SkySolve have ads?
Neither Formulas +, your 4 collections nor SkySolve shows ads.

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