Comparison

First Words vs Mass.Shift

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

Head to head
About

First Words

This app uses interactive flashcards with realistic illustrations to help young children learn basic concepts, subjects, and animals. It's designed to expand vocabulary, improve language skills, and foster cognitive development for preschoolers and elementary students.

Highlights
  • Realistic illustrations
  • Basic concepts, objects, and animals
  • Vocabulary expansion
  • Cognitive development
  • Language support in multiple languages
  • Interactive learning
Features
Read full description

Flashcards are a convenient way to improve your child's knowledge. This set of flashcards was designed for use in preschool and school education in order to familiarize with basic concepts, subjects and animals. Preschoolers will expand their horizons with the help of flashcards, get acquainted with new subjects, animals and learn new words. For elementary school students, this set of flashcards will help them learn foreign languages and expand their vocabulary. Each card is decorated with realistic illustrations, which makes it easier for young students to master the basic subjects, as well as linguistics and general knowledge. These flashcards are suitable for teaching vocabulary, language skills, and cognitive development, and are compatible with both iPhone and iPad. Parents and children will appreciate the interactivity and fascinating nature of these cards. Install and launch our app, and observe the development of your child's cognitive and language skills. FEATURES: - realistic illustrations - sets of words with basic concepts, objects and animals - broadening horizons and cognitive development - vocabulary expansion - language support: English, German, Spanish, French, Russian, Italian, Czech, Portuguese --- Privacy Policy: https://asveta.cz/privacy Terms of Use: https://asveta.cz/terms

About

Mass.Shift

Features
Read full description

MassShift allows you to explore the physical reality of living on other planets. This application provides a suite of tools to calculate how your weight, age, and height would change across various celestial bodies in our solar system. Core Features: > Weight and Mass Converter: Discover your exact weight on Mars, Jupiter, the Moon, and other planets based on gravitational differences. > Age and Time Tracking: Calculate your age according to the orbital periods of different planets and see when your next galactic birthday occurs. > Height Comparison: Visualize how your height changes relative to gravitational constants across the galaxy. > Physics Simulations: Interact with jump, fall, and orbit simulators to experience the tangible effects of varying gravity levels. > Planetary Survival Guides: Access detailed scientific facts and survival information for every planet in the solar system. > User Profiles: Save metrics for multiple users to quickly switch between data sets and comparisons. Designed for students, teachers, and space enthusiasts, MassShift turns complex planetary physics into an accessible and interactive experience. Learn about the mechanics of our solar system through precise calculations and visual simulations. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

First Words4 screens
Mass.Shift4 screens

Verdict

The call

The clearest difference is iOS requirement: Mass.Shift at 13.0 against First Words's 17.4. On price, ads, in-app purchases 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. First Words sells 1 one-off in-app purchase and Mass.Shift sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 8 level
First Words versus Mass.Shift: the parameters behind the verdict, then further details
ParameterFirst WordsMass.Shift
PriceFreeFree
Rating2.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 10 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.413.0 — better
Further details — not scored
Size143 MB70 MB
Age rating4+4+
DeveloperASVETAADAVII (PVT) LTD

In-app purchases

1 purchases

First Words

One-time1
  • All Flashcards$2.99
2 purchases

Mass.Shift

Subscriptions1
  • MassShift Monthly$0.991 Month
One-time1
  • MassShift Lifetime$9.99

Questions

Is First Words free?
First Words is free to download, with in-app purchases available.
Is Mass.Shift free?
Mass.Shift is free to download, with in-app purchases available.
Do First Words or Mass.Shift have ads?
Neither First Words nor Mass.Shift shows ads.

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