Comparison

LingQ | Learn Languages vs Petroleum Engineering+

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

Head to head
About

LingQ | Learn Languages

Learn languages naturally by reading and listening to real content. Expand your vocabulary and improve comprehension with interactive tools and AI-powered features. Supports over 50 languages and offers a global community for support.

Highlights
  • Massive content library
  • Import your own content
  • Interactive reader with word definitions
  • AI-powered learning tools
  • Progress tracking
  • Offline learning
  • Community support and tutoring
Features
Read full description

Experience Language Learning with LingQ — the natural and effective way to learn a new language. LingQ is a language learning app that lets you grow your vocabulary and improve comprehension through meaningful exposure to the language with real content. Follow your interests and enjoy an immersive learning experience in over 50 languages. Learn Spanish, English, Japanese, Korean, Italian, German, Portuguese, French, Chinese, Arabic, and other languages. Trusted by Learners Worldwide: ◆4.7 star rating from over 45000 reviews. ◆Featured in CBC, Men’s Health, La Vanguardia, El País. Designed for Real Language Learning LingQ uses an input-based approach: you learn languages by reading and listening to real, interesting content at your level. ◆ Massive Content Library: Thousands of lessons from podcasts, books, interviews, videos, articles, and more — all with matching text for easy listening and reading. ◆ Follow Topics You Enjoy: Choose content you love and progress naturally through immersion, not drills. ◆ Import Your Favorite Content: Turn Netflix, YouTube, podcasts, books, and articles into personalized lessons. ◆ Powerful Reader: An effective, optimized reader that tracks every word you encounter to boost your vocabulary. ◆ Interactive Learning: Listen, read along, tap words for instant definitions, and learn naturally as you go. ◆ Advanced Progress Tracking: Monitor your listening, reading, study time, and vocabulary growth. ◆ Learn Anytime, Anywhere: Study offline and sync your progress automatically. Learn whenever you want. AI Language Learning Tools • AI Audio Transcription: Turn podcasts and audiobooks into interactive lessons. • AI Voices: Make your lessons, reviews and chats more immersive with natural sounding text-to-speech voices. • Advanced Chatbot: Get detailed tutor responses and real-time web search with our advanced Lynx AI Chatbot. • AI-Simplified Lesson: Take advantage of more interesting content earlier on in your learning journey by generating simplified versions of lessons. Read and Listen with Interactive Tools • SRS vocabulary review for long-term retention; • Mini Stories that build a strong foundation at any level; • Grammar guides with clear, accessible explanations; • Audio playlists for hands-free listening; • Karaoke Mode to follow the text while listening; A Global Community to Support You • Writing Exchange for real corrections from native speakers; • Tutoring sessions tailored to your goals; • Community forum for questions, guidance, and motivation; • Challenges that help you stay consistent and build strong habits; Built by Language Learners LingQ was co-founded by Steve Kaufmann, a polyglot who learned more than 20 languages using this same natural approach. Learn Multiple Languages LingQ supports more than 50 languages, including Spanish, English, Japanese, Korean, Italian, German, Portuguese, French, Chinese, Arabic and more. Get LingQ Premium and Accelerate Your Learning • Unlimited vocabulary lookup and SRS review; • Comprehensive word tracking to boost your progress; • Unlimited content imports; • Access to AI features; Start learning from real content. Download LingQ and begin today. Feedback? Let us know. Send suggestions and feedback to iosapp@lingq.com. Terms of Service - https://www.lingq.com/terms/

About

Petroleum Engineering+

Master petroleum engineering concepts through engaging quizzes covering a wide range of topics from geology to production. Ideal for students and professionals seeking to enhance their knowledge and skills in the oil and gas industry.

Highlights
  • Comprehensive quiz coverage
  • Topics from geology to production
  • Boost knowledge and skills
  • Engaging learning experience
  • Suitable for students and professionals
Features
Read full description

Master Petroleum Engineering with Fun and Engaging Quizzes! Dive into the world of Petroleum Engineering with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. Topics Covered: Introduction to Petroleum Engineering: -History and evolution of the petroleum industry", -Overview of upstream, midstream, and downstream sectors -Role of petroleum engineers Petroleum Geology and Geophysics: - Origin and accumulation of hydrocarbons - Types of reservoir rocks and cap rocks - Structural and stratigraphic traps - Seismic methods and interpretation - Geological mapping and subsurface modeling Drilling Engineering: - Types of drilling rigs and their components - Drilling fluids and their properties - Casing design and cementing practices - Directional and horizontal drilling - Drill string design and bit selection Reservoir Engineering Fundamentals: - Reservoir fluid properties (PVT analysis) - Porosity and permeability measurement - Fluid saturation and capillary pressure - Material balance and reservoir drive mechanisms - Reservoir characterization and classification Well Logging and Formation Evaluation: - Types of logging tools (SP, gamma ray, resistivity) - Nuclear and acoustic logging techniques - Interpretation of log data for reservoir evaluation - Core sampling and laboratory analysis - Formation testing and pressure transient analysis Production Engineering: - Well completion techniques (open hole, cased hole) - Artificial lift systems (ESP, gas lift, rod pumps) - Well stimulation (acidizing, hydraulic fracturing) - Flow assurance and sand control - Production monitoring and optimization Enhanced Oil Recovery (EOR) Techniques: - Primary, secondary, and tertiary recovery concepts - Thermal methods (steam flooding, in-situ combustion) - Gas injection (CO₂, nitrogen, miscible flooding) - Chemical EOR (polymer, surfactant, alkaline) - Screening criteria and field implementation Natural Gas Engineering: - Gas properties and phase behavior - Gas reservoir performance and deliverability - Gas production and compression systems - Gas processing and dehydration - Liquefied natural gas (LNG) and gas monetization Petroleum Refining and Processing: - Overview of refining processes - Atmospheric and vacuum distillation - Conversion processes (cracking, reforming) - Product blending and specifications - Emission control and waste management Surface Facilities and Field Processing: - Field processing of oil, gas, and water - Separation equipment and design - Flowlines, pipelines, and gathering systems - Surface facility layout and operation - Maintenance and integrity management Reservoir Simulation and Modeling: Formation Damage and Wellbore Integrity: Health, Safety, and Environmental Management (HSE): Petroleum Economics and Project Evaluation: Features You'll Love: - Adaptive Quizzes: Questions tailored to your skill level, ensuring a personalized learning experience. - Detailed Explanations: Learn as you go with in-depth answers and references. - Timed Challenges: Test your speed and accuracy under time pressure for an extra thrill. - Progress Tracking: Keep tabs on your improvement with detailed analytics and reports. - User-Friendly Design: Intuitive interface for smooth navigation and focus. Who is it for? - Petroleum Engineering students preparing for exams. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of occupational therapy. Download now and make learning occupational therapy enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/PetroleumEngineering/privacy-policy

Screenshots

LingQ | Learn Languages4 screens
Petroleum Engineering+4 screens

Verdict

The call

The clearest difference is update cadence: LingQ | Learn Languages at every 5 days against Petroleum Engineering+'s monthly. LingQ | Learn Languages also leads on ratings volume (10K vs 1) and chart position (#111 vs unranked). Petroleum Engineering+'s advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model 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. LingQ | Learn Languages sells 12 in-app purchases, starting at $14.99 per month and Petroleum Engineering+ sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Petroleum Engineering+ holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: LingQ | Learn Languages has 10K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

LingQ | Learn Languages ships an update every 5 days, Petroleum Engineering+ monthly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 7 level
LingQ | Learn Languages versus Petroleum Engineering+: the parameters behind the verdict, then further details
ParameterLingQ | Learn LanguagesPetroleum Engineering+
PriceFreeFree
Rating4.7 (10K ratings)5.0 (1 ratings) — better
Positive reviews80.2% of reviews—
Number of ratings10K — better1
Update frequencyEvery 5 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#111 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size345 MB18 MB
Age rating12+4+
DeveloperLingQ Languages LtdForwa Elade Wunde

Customer experience

LingQ | Learn Languages

All ratings10,219 ratings
Positive94.2%
Neutral2.3%
Negative3.4%
Written reviews1,172 reviews
Positive80.2%
Neutral6.1%
Negative13.7%

Petroleum Engineering+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

LingQ | Learn Languages

Reported bugs

4 issues
  • App crashes and freezes
  • Sync issues between app and web version
  • Incorrect translations and definitions
  • Unreliable streak tracking and progress reporting

Requested features

5 requests
  • Improved user interface and navigation
  • Better sync and performance across devices
  • More content and language options
  • Enhanced vocabulary management and review tools
  • Affordable subscription plans

Petroleum Engineering+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

LingQ | Learn Languages

Subscriptions12
  • LingQ Premium (Monthly)7 Days trial$14.991 Month
  • LingQ Premium (Monthly)$14.991 Month
  • Premium Plus Monthly$29.991 Month
Show 9 more
  • LingQ Premium (6 Months)7 Days trial$80.996 Months
  • LingQ Premium (6 Months)$80.996 Months
  • LingQ Premium$89.991 Year
  • LingQ Premium$99.991 Year
  • LingQ Premium$101.991 Year
  • LingQ Premium2 variants$109.991 Year
  • LingQ Premium (12 Months)7 Days trial$119.991 Year
  • LingQ Premium (12 Months)$119.991 Year
  • Premium Plus Yearly7 Days trial$269.991 Year
6 purchases

Petroleum Engineering+

Subscriptions3
  • 1 Month$9.991 Month
  • 6 Months$19.996 Months
  • 1 Year$29.991 Year
One-time3
  • 1500$0.99
  • 3500$1.99
  • 9000$3.99

Questions

Is LingQ | Learn Languages free?
LingQ | Learn Languages is free to download, with in-app purchases available.
Is Petroleum Engineering+ free?
Petroleum Engineering+ is free to download, with in-app purchases available.
Which has better reviews, LingQ | Learn Languages or Petroleum Engineering+?
Petroleum Engineering+ is rated higher. LingQ | Learn Languages averages 4.7 out of 5 from 10K ratings, while Petroleum Engineering+ averages 5.0 from 1 ratings.
Do LingQ | Learn Languages or Petroleum Engineering+ have ads?
Neither LingQ | Learn Languages nor Petroleum Engineering+ shows ads.
Which is updated more often, LingQ | Learn Languages or Petroleum Engineering+?
LingQ | Learn Languages ships an update every 5 days, and Petroleum Engineering+ monthly. Most recently, LingQ | Learn Languages was updated on September 24, 2026 and Petroleum Engineering+ on September 23, 2026.

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