Comparison

Formula Conversion vs Time Dilation Explorer Lab

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

Head to head
About

Formula Conversion

Features
Read full description

It is a formula conversion application. You can print a formula or a modified formula. You can save unmodified formulas to your phone's storage medium and then open it if necessary. Upgrading An application without an upgrade is limited to 24 formula conversions. If you want to convert the formula more than ten times, you must make an in-app purchase. Creating and opening a formula You can open the formula by clicking the first button on the toolbar. You can create a new formula using the symbols, symbols, numbers, and letters on the keyboard. You can change the font size of letters and symbols by pressing the "alp." Or "ALP." And "sym." Or "SYM." Buttons on the toolbar. If you wish, you can delete the characters by pressing the "del." Key. And use the arrows to move between the elements of the formula. Formatting the formula You can format the formula by first selecting the characters you want to change. The selection key is "Sel.", And you can then select by scrolling between the elements of the formula or by pressing the finger on the desired character. You can format the selected formula by pressing the second button on the toolbar from the back. You can change the font, font size, font, and font color Saving and printing the sample You can save the formula by pressing another button on the toolbar. Press the third button on the toolbar to print. If you want to delete the saved formulas, press the fourth button on the toolbar. Converting a formula When the formula is ready, you can publish parts of the formula. To publish part of a formula, select the item with the cursor. Press the fifth button on the toolbar to publish the formula. You can also print the converted formula by clicking the "Print" button. Zoom a formula If you want to increase or decrease the formula, press the third button on the back of the toolbar.

About

Time Dilation Explorer Lab

Features
Read full description

Time Dilation Explorer Lab turns special relativity into an interactive space-science lab. Slide toward the speed of light and watch time change in real time. Compare Earth time with traveler time, explore the light-clock thought experiment, send a virtual ship toward nearby stars, and learn why Einstein's ideas matter in real science and technology. Designed for curious learners, students, teachers, and space fans, the app explains time dilation, length contraction, the twin paradox, light speed, GPS corrections, and near-light-speed travel through visual simulations and short lessons. Key features: - Interactive time dilation simulator with Earth and traveler clocks - Speed vs Time graph for comparing journeys across cosmic distances - Light Clock demo showing why moving clocks tick slower - Twin Paradox visualization with Earth twin and traveler twin timelines - Length Contraction lab for seeing fast-moving objects shrink along motion - Cosmic Journey mode with destinations from the Moon to Andromeda - Bite-sized relativity lessons with examples, takeaways, and fun facts - Quiz mode with categories, best scores, streaks, and hints - Progress dashboard with lesson completion, quiz progress, and badges - Daily relativity facts and achievement rewards The free version includes core simulations, starter lessons, quizzes, and selected destinations. A one-time Premium unlock removes ads and opens advanced lessons, full-speed controls, expanded quiz content, extra destinations, and additional interactive tools. Whether you are reviewing physics for school, introducing relativity in a classroom, or simply wondering what a near-light-speed journey would feel like, Time Dilation Explorer Lab helps make spacetime visible.

Screenshots

Formula Conversion3 screens
Time Dilation Explorer Lab4 screens

Verdict

The call

The clearest difference is ads: Formula Conversion at none against Time Dilation Explorer Lab's shown. Formula Conversion also leads on iOS requirement (14.1 vs 26.2). On price, 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Formula Conversion sells 1 one-off in-app purchase and Time Dilation Explorer Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences ยท 4 level
Formula Conversion versus Time Dilation Explorer Lab: the parameters behind the verdict, then further details
ParameterFormula ConversionTime Dilation Explorer Lab
PriceFreeFree
Update frequencyEvery 26 monthsโ€”
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS14.1 โ€” better26.2
Further details โ€” not scored
Size2 MB16 MB
Age rating4+4+
DeveloperJanek SoometsChatStick Company Limited

In-app purchases

1 purchases

Formula Conversion

One-time1
  • Upgrade Formula Conversion$3.99
1 purchases

Time Dilation Explorer Lab

One-time1
  • Unlock All Features$2.99

Questions

Is Formula Conversion free?
Formula Conversion is free to download, with in-app purchases available.
Is Time Dilation Explorer Lab free?
Time Dilation Explorer Lab is free to download, with in-app purchases available.
Do Formula Conversion or Time Dilation Explorer Lab have ads?
Time Dilation Explorer Lab shows ads; Formula Conversion does not.

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