Plang vs DCDEP Data Engineer Pro Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plang
This app helps intermediate and advanced English learners improve their speaking fluency by training them to think in English. It offers AI-powered personalized learning paths, shadowing exercises with native speakers, and practice through real-life video content. The goal is to enable natural, confident English expression.
- AI personalized learning paths
- Think and speak in English method
- Casual conversation practice
- Shadowing with native speakers
- Learn from local video content
- Automated review system
Read full descriptionHide full description
AI English speaking app that builds your English brain An English learning service for intermediate and advanced learners who understand the material but struggle to express it in English! "I'm starting to feel more comfortable speaking English!" "I think now I can speak in English naturally without translation." ■ The key is ‘thinking in English’ Do you want to speak in English freely anytime, anywhere? Start training to ‘think and speak in English’ with the learning method developed by Plang. You’ll be able to express what you want to say just like a native speaker. ■ Casual conversation with native speakers Start practicing your English conversation in situations in various situations such as conversations with foreign friends, at business meetings, and unexpected situations while traveling. ■ Personalized curriculum designed by AI AI meticulously analyzes your English speaking skills. It identifies sentence lengths you can use, words you struggle with, and unnatural expressions and pronunciations. Based on this analysis, it suggests the most optimized learning path for you. ■ Shadowing for English speaking Shadowing is the most popular English study method among interpreters! It involves listening to and repeating what a native speaker says. By understanding the context of the conversation while learning expressions, you’ll naturally adopt English thinking. ■ Learn original English through local video contents You can study with over 200,000 local video contents, including dramas, movies, vlogs, and animations. You’ll get a full understanding of how English is actually used, beyond just theoretical knowledge. By immersing yourself in shadowing as if you were a character in the videos, you’ll find it so enjoyable that you won't want to stop! ■ Automated review system Repetition is key! To be able to speak in real-life situations, it’s crucial to remember the sentences you’ve studied. The AI will relentlessly help you review those sentences until they stick in your mind. Terms of Use https://plang.notion.site/Privacy-Consent-Agreement-069f196d32d449ec918d22a42d4688af?pvs=4 https://plang.notion.site/Plang-Terms-of-Service-24699619ae0a4932adda5d24c4468c0c?pvs=4 Contact help@plang.ai You can get the fastest answer via chat in the Plang app.
DCDEP Data Engineer Pro Prep
Read full descriptionHide full description
PASS YOUR DATABRICKS CERTIFIED DATA ENGINEER PROFESSIONAL EXAM Master enterprise data engineering with 500+ expert-level practice questions designed to mirror the real certification exam. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Databricks Data Engineers earn up to $203K annually (Skillsoft 2024). This professional-level certification validates your expertise in building production-grade data pipelines on the lakehouse platform. WHAT YOU'LL MASTER: • Delta Lake ACID transactions with time travel and versioning • Delta Live Tables (DLT) pipelines with expectations and quality checks • Unity Catalog governance including metastores, catalogs, and schemas • Liquid Clustering for optimized data organization and query performance • Auto Loader for incremental data ingestion with schema inference • MERGE INTO operations for upserts and SCD Type 2 patterns • Medallion Architecture (Bronze, Silver, Gold) design patterns • Change Data Feed (CDF) for tracking row-level changes • Delta Sharing for secure cross-platform data collaboration • Databricks Asset Bundles for deployment automation • Spark performance tuning with partitioning and Z-ordering • CI/CD workflows with Git integration and DAB deployments • System tables and monitoring for observability and optimization • PII masking and row/column-level security controls • Cost optimization strategies for compute and storage resources STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into data engineering expertise. Download now. Pass your exam. Master the lakehouse platform.
Screenshots
Verdict
The clearest difference is in-app purchases: DCDEP Data Engineer Pro Prep at none against Plang's 17. Plang's advantage is update cadence (every 8 days vs every 4 months). On price, ads, device support and iOS requirement 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
Both are free to download. Plang sells 11 in-app purchases, starting at $7.99 per month. DCDEP Data Engineer Pro Prep asks for nothing beyond the download.
Plang ships an update every 8 days, DCDEP Data Engineer Pro Prep every 4 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Plang | DCDEP Data Engineer Pro Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (120 ratings) — better | — |
| Positive reviews | 89.0% of reviews | — |
| Number of ratings | 120 — better | — |
| Update frequency | Every 8 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 216 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Plang | Davy Raitt |
In-app purchases
Plang
- 플랭 프리미엄$7.991 Month
- 플랭 프리미엄$12.991 Month
- 플랭 프리미엄$14.991 Month
Show 8 moreShow fewer
- Plang Premium (1 Month)3 variants$29.001 Month
- Plang Boost (1 Month)2 variants$69.001 Month
- 플랭 프리미엄3 Days trial$69.991 Year
- Plang Premium (1 Year)7 Days trial2 variants$99.001 Year
- 플랭 프리미엄3 Days trial2 variants$99.991 Year
- Plang Premium (1 Year)7 Days trial$129.001 Year
- Premium Party (2 Members)$154.991 Year
- Plang Boost (1 Year)7 Days trial2 variants$239.001 Year
DCDEP Data Engineer Pro Prep
No in-app purchases
Questions
Is Plang free?
Is DCDEP Data Engineer Pro Prep free?
Do Plang or DCDEP Data Engineer Pro Prep have ads?
Which is updated more often, Plang or DCDEP Data Engineer Pro Prep?
Other comparisons















