Comparison

Prep vs Oracle Java SE 25 Exam Prep

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

Head to head
About

Prep

Prepare for English proficiency tests like IELTS and TOEIC with AI-powered practice. Get realistic exam simulations, personalized study plans, and detailed feedback to improve your skills and achieve your target scores.

Highlights
  • AI Virtual Practice Room for IELTS
  • Comprehensive skill training (Listening, Reading, Writing, Speaking)
  • Realistic exam simulations with scoring
  • Personalized study plans based on goals
  • Mock tests for IELTS and TOEIC
  • Error detection and correction
Features
Read full description

- The Prep AI Virtual Room Duo: For IELTS preparation, the virtual practice room with Prep AI helps students comprehensively train all four skills: IELTS Listening, IELTS Reading, IELTS Writing, IELTS Speaking. Students can also practice with exam-format questions, and receive thorough grading and evaluation according to each scoring criterion, just like a real examiner. With advanced AI technology, the system can detects errors during IELTS test and provides appropriate corrections. What's amazing is that the AI uses the same evaluation method as the IELTS test scoring system, giving students a realistic experience similar to taking the actual IELTS test. Exciting, isn't it? PREP also offers many useful features to support students learn English more effectively, such as: • Study Plan: The system helps students learn English more easily by analyzing the goals set by students, then arranging a suitable study path divided into separate lessons and english test, ensuring students achieve their desired goals. The system also accompanies students throughout the learning process to answer questions and update their English learning path. • My Course: A place to aggregate and store English learning and english test programs, helping students easily control their learning progress. Students can click on the desired program to join the corresponding English course • Test Practice: One of the most useful features of the software: Mock Tests. With a diverse library of tests divided into four skills, a large number of english test like IELTS, TOEIC,... tests help students quickly familiarize themselves and develop their test-taking skills. Additionally, the system provides prediction tests to help students get used to the structure of the most recent year's test, increasing the applicability of this feature. • Prep has been helping over 10,000+ students improve daily, assisting thousands in achieving their study goals for IELTS, TOEIC, and national high school exams. • Prep features proprietary modern AI technology capable of recreating the test environment in a virtual test room, providing students with the most realistic experience during test preparation. • Prep offers diverse and useful features suitable for various user goals, whether learning English, practicing for TOEIC, or prep for IELTS Contact us immediately when you need support: Email: support@prepedu.com

About

Oracle Java SE 25 Exam Prep

Features
Read full description

Prepare for Oracle Java SE 25 with one connected flow from core concepts to practice, review, and mock exams. Official credential reference: Oracle Java SE 25 Developer Professional The current question bank contains 500 questions. Study in 50-question sets or focus by domain, subdomain, and difficulty. Single-select and multiple-select items are supported where applicable. Immediately after answering, check the correct-answer explanation and the reasoning for every choice so you understand both why the answer is correct and why the alternatives do not fit. Structured study and records • 50-question set learning plus domain, subdomain, and difficulty filters • Immediate grading, correct-answer explanations, and choice-by-choice rationales • Separate saved progress and resume for set, domain, and difficulty study and for mock exams • A study-history calendar with daily question and key-term activity, monthly totals, and study streaks • Review of wrong answers, repeated misses, review notes, and weak-area analysis • Timed mock exams that hide explanations until submission, allow answer changes before submission, and show results by domain • Weekly goal reminders with a configurable notification time • Light, dark, and system themes A smooth learning flow Move quickly among Home, Study, Review, Mock Exam, and Settings. Each mode keeps its own learning state, and moving to the next item after a long explanation automatically returns the new question card to the top. Basic terms and optional audio study Use the basic-term flashcards as the primary memorization tool. When useful, turn on automatic audio playback to repeat key terms while walking, resting, or preparing for sleep without continuously reading the screen. The questions in this app are current as of August 2026, and we plan to review and update every exam’s question bank at least once a year. The questions are independently authored for study and do not reproduce live exam items, dumps, leaked questions, or third-party question banks. This is an independent study app and is not affiliated with, endorsed by, or sponsored by any certification body, exam provider, or trademark owner. Exam names and trademarks belong to their respective owners.

Screenshots

Prep4 screens
Oracle Java SE 25 Exam Prep4 screens

Verdict

The call

The clearest difference is ads: Oracle Java SE 25 Exam Prep at none against Prep's shown. Oracle Java SE 25 Exam Prep also leads on update cadence (daily vs every 5 days). On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Prep sells 73 one-off in-app purchases and Oracle Java SE 25 Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Prep ships an update every 5 days, Oracle Java SE 25 Exam Prep daily. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
Prep versus Oracle Java SE 25 Exam Prep: the parameters behind the verdict, then further details
ParameterPrepOracle Java SE 25 Exam Prep
PriceFreeFree
Rating4.6 (121 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings121 — better—
Update frequencyEvery 5 daysDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size134 MB59 MB
Age rating4+4+
DeveloperPREP TECHNOLOGY JOINT STOCK COMPANYCHOI SEONGMIN

In-app purchases

73 purchases

Prep

One-time73
  • IELTS Pro 1 tháng$9.99
  • IELTS Pro 3 tháng$19.99
  • IELTS Core 월간 이용권$22.99
Show 70 more
  • IELTS Core – Monthly$25.00
  • Gói luyện đề THPTQG 30 ngày$29.99
  • IELTS Pro 6 tháng$29.99
  • PrepTalk English Advanced$34.99
  • IELTS Premium – Monthly$39.00
  • IELTS Premium 월간 이용권$39.99
  • IELTS Premium 月額プラン$39.99
  • AI Tutor 專業口說訓練 3個月-HK$39.99
  • AI Tutor 전문 스피킹 트레이닝 3개월$39.99
  • AI Tutor プロ向けスピーキング訓練 3ヶ月$39.99
  • PrepTalk English Advanced (PRO)$49.99
  • PrepTalk English Intermediate (PRO)$49.99
  • PrepTalk English Basic (PRO)$49.99
  • IELTS Core 3개월 이용권$59.99
  • Gói luyện đề TOEIC 90 ngày$59.99
  • IELTS Core – Quarterly$63.00
  • Từ vựng - Ngữ pháp - Phát âm$69.99
  • AI Tutor 전문 스피킹 트레이닝 6개월$69.99
  • PrepTalk English Inter - Advanced$69.99
  • PrepTalk English Basic - Inter$69.99
  • Gói luyện đề TOEIC 30 ngày$79.99
  • IELTS Premium 3개월 이용권$79.99
  • AI Tutor 專業口說訓練 6個月-HK$79.99
  • IELTS พื้นฐานอ่อนจนถึง 4.0$79.99
  • Mất gốc đến HSK 1$79.99
  • IELTS Premium – Quarterly$89.00
  • Gói luyện đề THPTQG 90 ngày$89.99
  • IELTS Premium 3か月プラン$89.99
  • AI Tutor プロ向けスピーキング訓練 6ヶ月$89.99
  • Gói luyện đề IELTS 30 ngày$99.99
  • PrepTalk English Basic to Advanced$99.99
  • PTE Inter - Advanced (PRO)$99.99
  • PTE Basic to Intermediate (PRO)$99.99
  • แพ็กเกจฝึกทำข้อสอบ IELTS 90วัน$99.99
  • Gói luyện đề TOEIC 180 ngày$99.99
  • AI Tutor 專業口說訓練 12個月-TW$119.99
  • IELTS Core 연간 이용권$129.99
  • PTE Basic - Advanced (PRO)$129.99
  • TOEIC Mock Tests 3개월$129.99
  • IELTS จาก 4.0 จนถึง 5.0$129.99
  • IELTS พื้นฐานอ่อนจนถึง 4.0 (PRO)$129.99
  • IELTS Core – Annual$139.00
  • 90-Day IELTS TP Package$139.99
  • AI Tutor 전문 스피킹 트레이닝 12개월$149.99
  • AI Tutor 專業口說訓練 12個月-HK$149.99
  • PTE2 mất gốc - chuyên sâu Pro$149.99
  • Gói luyện đề THPTQG 180 ngày$179.99
  • AI Tutor プロ向けスピーキング訓練 12ヶ月$179.99
  • Mất gốc đến LR 800+ và SW 300+$179.99
  • IELTS จาก 5.0 จนถึง 6.0$199.99
  • IELTS จาก 4.0 จนถึง 5.0 (PRO)$199.99
  • HSK từ 0 đến 4$199.99
  • แพ็กเกจฝึกทำข้อสอบIELTS 180วัน$199.99
  • Gói luyện đề TOEIC 365 ngày$229.99
  • IELTS Premium 연간 이용권$249.99
  • TOEIC Mock Tests 6개월$249.99
  • IELTS จาก 6.0 จนถึง 7.0+$249.99
  • IELTS จาก 5.0 จนถึง 6.0 (PRO)$249.99
  • TOEIC - SW mất gốc đến 300+$249.99
  • IELTS Premium – Annual$279.00
  • 180-Day IELTS TP Package$279.99
  • Gói luyện đề IELTS 90 ngày$299.99
  • IELTS Premium 年間プラン$299.99
  • IELTS จาก 6.0 จนถึง 7.0+ (PRO)$299.99
  • Gói luyện đề IELTS 365 ngày$299.99
  • Gói luyện đề IELTS 180 ngày$349.99
  • แพ็กเกจฝึกทำข้อสอบIELTS 365วัน$449.99
  • 360-Day IELTS TPe Package$559.99
  • IELTS พื้นฐานอ่อนจนถึง 7.0+$599.99
  • IELTS from 4.0 to 6.5+$749.99
1 purchases

Oracle Java SE 25 Exam Prep

One-time1
  • Lifetime Access$6.99

Questions

Is Prep free?
Prep is free to download, with in-app purchases available.
Is Oracle Java SE 25 Exam Prep free?
Oracle Java SE 25 Exam Prep is free to download, with in-app purchases available.
Do Prep or Oracle Java SE 25 Exam Prep have ads?
Prep shows ads; Oracle Java SE 25 Exam Prep does not.
Which is updated more often, Prep or Oracle Java SE 25 Exam Prep?
Prep ships an update every 5 days, and Oracle Java SE 25 Exam Prep daily. Most recently, Prep was updated on October 20, 2026 and Oracle Java SE 25 Exam Prep on October 3, 2026.

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