Comparison

AWS DEA vs Least Common Multiple PRO

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

Head to head
About

AWS DEA

Features
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Glue, Redshift, Kinesis, Athena โ€” the Data Engineer Associate exam walks the whole path your data takes through AWS. Certisimo walks it with you, question by question. WHAT'S INSIDE โ€ข 260 exam-style questions across 4 practice sets, written for the AWS Data Engineer Associate exam โ€ข The ground you will train on: AWS Glue, Redshift, Kinesis, Athena, S3 and Lake Formation TWO WAYS TO PRACTICE In training mode, answers come back with immediate feedback. In test mode you face the clock โ€” timed, scored, no hints โ€” and finish with a full review of what you skipped or got wrong. MEASURE YOUR PROGRESS Insights turns your history into a readiness score, so how close you are to a passing level is always visible. MADE FOR HOW YOU STUDY โ€ข Save questions, add your own notes, find anything with search โ€ข Full session history, so you can watch your scores climb โ€ข Works completely offline โ€” study on the plane, the metro, anywhere โ€ข iPhone and iPad, light and dark, no account and no sign-up ALREADY BOUGHT THIS APP? Premium is yours โ€” free, forever. It unlocks by itself the first time you open this update: nothing to buy, nothing to restore, no account to create. Your saved questions, your notes and your full history are all still here. GO FURTHER WITH PREMIUM Certisimo Premium unlocks the full explanation behind every answer โ€” why the right choice wins, not just which letter it was โ€” plus unlimited exam simulations, the complete Insights breakdown (weak, hard, new and strong questions) and an ad-free experience. โ€ข Weekly $5.99 ยท Yearly $34.99 with a 14-day free trial ยท Lifetime $79.99 one-time purchase Get Certisimo today โ€” and make the Data Engineer exam the least surprising part of your certification. Certisimo is an independent study aid and is not affiliated with, endorsed by, or sponsored by Amazon Web Services, Inc. Weekly and Yearly Premium are auto-renewable subscriptions; Lifetime is a one-time purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account, and you can manage or cancel your subscription in your App Store account settings at any time. Terms of Use: https://certisimo-app.web.app/terms Privacy Policy: https://certisimo-app.web.app/privacy

About

Least Common Multiple PRO

Features
Read full description

Finish your homework instantly. Prepare for exams without stress. Complete step-by-step solutions. Enter your numbers and calculate the least common multiple (LCM). HOW IT WORKS Enter your numbers into the appropriate fields and get started. You'll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don't need it. Only anonymous data is collected, for example: - which features are used - how many solutions are generated This helps us improve the app. It is not possible to identify you from this data. EXTRAS - Prime factorization - Using multiples - Curated learning videos - Feedback for incorrect input - Manage your own solutions - App introduction CONTACT Questions and feedback are always welcome via Discord or directly in the app review.

Screenshots

AWS DEA4 screens
Least Common Multiple PRO4 screens

Verdict

The call

The clearest difference is price: AWS DEA at Free against Least Common Multiple PRO's $1.99. Least Common Multiple PRO's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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

AWS DEA is free to download; Least Common Multiple PRO costs $1.99 up front. AWS DEA sells 3 in-app purchases, starting at $5.99 per 7 days. Least Common Multiple PRO asks for nothing beyond the download.

UpkeepUpdate frequency

AWS DEA ships an update every 5 months, Least Common Multiple PRO every 8 days. The most recent releases landed on November 9, 2026 and November 2, 2026 respectively.

Scorecard5 real differences ยท 1 level
AWS DEA versus Least Common Multiple PRO: the parameters behind the verdict, then further details
ParameterAWS DEALeast Common Multiple PRO
PriceFree โ€” better$1.99
Update frequencyEvery 5 monthsEvery 8 days โ€” better
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS26.015.0 โ€” better
Further details โ€” not scored
Size54 MB179 MB
Age rating4+4+
DeveloperSPIDER SERVICE SRLGlindemann, Sennoun, Langer GbR

In-app purchases

3 purchases

AWS DEA

Subscriptions2
  • Premium Weekly$5.997 Days
  • Premium Yearly14 Days trial$34.991 Year
One-time1
  • Premium Lifetime$79.99
None

Least Common Multiple PRO

No in-app purchases

Questions

Is AWS DEA free?
AWS DEA is free to download, with in-app purchases available.
Is Least Common Multiple PRO free?
Least Common Multiple PRO costs $1.99, with no in-app purchases.
Do AWS DEA or Least Common Multiple PRO have ads?
AWS DEA shows ads; Least Common Multiple PRO does not.
Which is updated more often, AWS DEA or Least Common Multiple PRO?
AWS DEA ships an update every 5 months, and Least Common Multiple PRO every 8 days. Most recently, AWS DEA was updated on November 9, 2026 and Least Common Multiple PRO on November 2, 2026.

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