Comparison

NagareVisualizer vs Learn Portuguese

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

Head to head
About

NagareVisualizer

Explore the fascinating world of fluid dynamics with this iPad application. Visualize air and liquid movements that are often imperceptible in everyday life, offering an engaging way to understand complex flow patterns.

Highlights
  • Fluid simulation visualization
  • Air and liquid movement
  • Interactive flow patterns
  • Educational tool for fluid dynamics
  • iPad optimized
Features
Read full description

NagareVisualizer for iPad is an introductory application for fluid simulation. You can enjoy fluid(air or liquid) movement in various ways, even though it is difficult to recognize in our daily life. The visualizer helps you to look into fascinating flow(nagare) world.

About

Learn Portuguese

Master Portuguese from beginner to advanced levels with this comprehensive language learning app. It offers offline access to lessons covering alphabets, grammar, vocabulary, and practical phrases for travel and daily life.

Highlights
  • Offline learning
  • Basic to advanced levels
  • Portuguese alphabets
  • Pronunciation practice
  • Vocabulary building
  • Travel phrases
Features
Read full description

Learn Portuguese Language free with the most effective language learning app for free. You can learn Portuguese from basic to advance level. This app will help you to be an expert in Portuguese language. Learning Portuguese fast at home with our course in your mobile / tablet. You can Portuguese Uzbek phrases & words from thousands of Portuguese words available in app. This is a best Portuguese language course for beginners. Features: + No account registration required + 100% Offline + Learn Portuguese basic to advance level + Portuguese Alphabets + Friendly UI + Listen, read and speak Note: The App is divided in several classes. Class 1: Portuguese Alphabets Class 2: Basics + Portuguese Pronouns + Portuguese Greetings + Portuguese Questions + Portuguese Prepositions + Portuguese Functional Words Class 3: Numbers + Portuguese Cardinal Numbers + Portuguese Ordinal Numbers Class 4: Portuguese Colours Class5: Portuguese Measurements & Units Class 5: Portuguese Verbs Class 6: Calendar + Portuguese Weekdays + Portuguese Hours,Night & Days + Portuguese Months, Seasons Class 7: Travel In Portugal Class 8: Transport Class 9: City Class 10: Shopping Class 11: Dressing In Portuguese Note: Only Chapter 1 – First 9 Lessons are available for free. Access to all lessons and premium features requires a one-time purchase or subscription. Privacy Policy: https://dugloapps.app/apps/learn-portuguese/privacy/ Terms of Use: https://dugloapps.app/apps/learn-portuguese/terms/

Screenshots

Learn Portuguese4 screens

Verdict

The call

The clearest difference is price: Learn Portuguese at Free against NagareVisualizer's $0.99. Learn Portuguese also leads on rating (4.3 vs 2.0) and ratings volume (43 vs 1). NagareVisualizer's advantage is in-app purchases (none vs 9) and ads (none vs shown). On review sentiment 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

Learn Portuguese is free to download; NagareVisualizer costs $0.99 up front. Learn Portuguese sells 9 in-app purchases, starting at $7.99 per 7 days. NagareVisualizer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Learn Portuguese holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Learn Portuguese has 43 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

NagareVisualizer ships an update every 3 months, Learn Portuguese monthly. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

Scorecard9 real differences · 1 level
NagareVisualizer versus Learn Portuguese: the parameters behind the verdict, then further details
ParameterNagareVisualizerLearn Portuguese
Price$0.99Free — better
Rating2.0 (1 ratings)4.3 (43 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings143 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size213 MB375 MB
Age rating4+4+
DeveloperInstitute of Computational Fluid DynamicsAli Umer

Customer experience

NagareVisualizer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Learn Portuguese

All ratings43 ratings
Positive79.1%
Neutral7.0%
Negative14.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

NagareVisualizer

No in-app purchases

9 purchases

Learn Portuguese

Subscriptions4
  • Portuguese3 Days trial$7.997 Days
  • Portuguese$12.991 Month
  • Portuguese$19.993 Months
Show 1 more
  • Portuguese$34.991 Year
One-time5
  • Portuguese$2.99
  • Portuguese$6.99
  • Portuguese Beginners Premium$6.99
Show 2 more
  • Portuguese$8.99
  • Portuguese$69.99

Questions

Is NagareVisualizer free?
NagareVisualizer costs $0.99, with no in-app purchases.
Is Learn Portuguese free?
Learn Portuguese is free to download, with in-app purchases available.
Which has better reviews, NagareVisualizer or Learn Portuguese?
Learn Portuguese is rated higher. NagareVisualizer averages 2.0 out of 5 from 1 ratings, while Learn Portuguese averages 4.3 from 43 ratings.
Do NagareVisualizer or Learn Portuguese have ads?
Learn Portuguese shows ads; NagareVisualizer does not.
Which is updated more often, NagareVisualizer or Learn Portuguese?
NagareVisualizer ships an update every 3 months, and Learn Portuguese monthly. Most recently, NagareVisualizer was updated on June 1, 2026 and Learn Portuguese on September 16, 2026.

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