# Kubiku Technology
> Kubiku Technology develops focused, lightweight, and effective exam preparation mobile applications (Kawan Apps) for Android, including Kawan EPT (formerly Kawan TOEFL), Kawan CPNS, and Kawan Vocab.

## Overview
- **Name**: Kubiku Technology
- **Founder & Lead Developer**: Kresna Bayu Sanyoto
- **Website**: https://kubiku.my.id
- **Google Play Developer**: https://play.google.com/store/apps/developer?id=Kubiku+Technology
- **Languages Supported**: Indonesian (id), English (en)
- **Primary Tech Stack**: Flutter, Dart, Astro, TailwindCSS

## Flagship Products (Kawan Apps)

### 1. Kawan EPT (formerly Kawan TOEFL)
- **Former Name**: Kawan EPT was formerly named Kawan TOEFL (renamed in version 1.12.0, October 2026). Same app, same Play Store link, progress and Pro subscription unchanged.
- **Play Store Title**: Kawan EPT: Latihan Tes TOEFL®
- **Description**: All-in-one TOEFL® PBT / ITP preparation app featuring full-length simulation tests, 33 grammar topics, 11 reading and 7 listening strategy topics, 3-in-1 lightning practice, adaptive practice drills (SRS SM-2), score estimations (310-677), answer time statistics, a shareable Score Report, and audio listening with transcripts.
- **Target Audience**: Students, job seekers, scholarship applicants, and professionals preparing for TOEFL PBT/ITP exams.
- **Key Features**:
  - Full-length simulation tests (Listening, Structure & Written Expression, Reading Comprehension)
  - 33 Grammar topics, 11 Reading Strategies, and 7 Listening Strategies (with audio), each with quick formulas and 1-to-1 sentence breakdowns
  - 3-in-1 Lightning Practice and Weakness Drill
  - Instant score prediction (310-677) and a shareable Score Report (portrait or landscape)
  - Spaced Repetition (SRS SM-2) with section-isolated history retention
  - 1,800 academic vocabulary words with interactive flashcards
  - 100% offline bundled content (all questions and audios included)
- **Platform**: Android (Google Play Store)
- **URL**: https://kubiku.my.id/blog/kawan-toefl/ (ID) | https://kubiku.my.id/en/blog/kawan-toefl-en/ (EN)
- **Play Store Link**: https://play.google.com/store/apps/details?id=com.kubiku.kawantoefl
- **Pricing**: Free / Kawan EPT Pro subscription available (formerly Kawan TOEFL Pro)
- **Promo Video**: https://youtu.be/5-qTTUGhnFE
- **Announcement**: https://kubiku.my.id/blog/kawan-toefl-kini-kawan-ept/
- **Disclaimer**: TOEFL® and TOEFL ITP® are registered trademarks of ETS. Kawan EPT is not affiliated with or endorsed by ETS. Scores in the app are estimates, not official scores.

### 2. Kawan CPNS
- **Description**: Comprehensive Seleksi Kompetensi Dasar (SKD) CPNS test preparation app with thousands of curated practice questions and smart answer explanations.
- **Target Audience**: Indonesian civil servant candidates (Calon Pegawai Negeri Sipil / Kedinasan).
- **Key Features**:
  - Complete coverage of SKD subjects: Tes Wawasan Kebangsaan (TWK), Tes Inteligensi Umum (TIU), and Tes Karakteristik Pribadi (TKP)
  - Full-length CAT SKD simulation with official 110-question format and 100-minute timer
  - Passing grade (Nilai Ambang Batas) calculator & performance tracking
  - Smart explanations with quick tips and reasoning breakdown
- **Platform**: Android (Google Play Store)
- **URL**: https://kubiku.my.id/blog/kawan-cpns/ (ID) | https://kubiku.my.id/en/blog/kawan-cpns-en/ (EN)
- **Play Store Link**: https://play.google.com/store/apps/details?id=com.kubiku.kawan_cpns
- **Pricing**: Free / Ad-supported

### 3. Kawan Vocab
- **Description**: Step-by-step English vocabulary app for Indonesian speakers, from CEFR A1 to C2, with spaced repetition and pronunciation audio.
- **Target Audience**: Teens and adults building English vocabulary, including students, workers, job seekers, and TOEFL/IELTS candidates.
- **Key Features**:
  - 6,000 curated words across 6 difficulty stages and 24 themed levels, with Indonesian meanings and example sentences
  - Spaced Repetition (1, 3, 7, 14, 30 days and beyond) with soft penalty instead of full resets
  - 4 practice types: recognition, reverse recognition, context cloze, and active recall (typing)
  - Placement test (18 adaptive questions), stage challenges with an 80% pass mark
  - Text-to-Speech pronunciation, XP growth tiers, daily streaks, 100% offline with no sign-in
- **Platform**: Android (Google Play Store)
- **URL**: https://kubiku.my.id/blog/kawan-vocab/ (ID) | https://kubiku.my.id/en/blog/kawan-vocab-en/ (EN)
- **Play Store Link**: https://play.google.com/store/apps/details?id=com.kubiku.kawanvocab
- **Pricing**: Free

## Educational Articles & Guides
- [Panduan Lengkap SKD CPNS](https://kubiku.my.id/blog/panduan-skd-cpns/)
- [Passing Grade SKD CPNS](https://kubiku.my.id/blog/skor-passing-grade-skd/)
- [Tips Lulus SKD CPNS](https://kubiku.my.id/blog/tips-lulus-skd-cpns/)
- [Kawan TOEFL Is Now Kawan EPT](https://kubiku.my.id/blog/kawan-toefl-kini-kawan-ept/)
- [Panduan Lengkap TOEFL](https://kubiku.my.id/blog/panduan-toefl/)
- [10 TOEFL ITP Listening Part A Idioms](https://kubiku.my.id/blog/idiom-listening-toefl/)
- [TOEFL ITP vs iBT vs IELTS vs Prediction Test](https://kubiku.my.id/blog/perbedaan-toefl-itp-ibt-ielts/)
- [How TOEFL ITP Is Scored (correct answers for 500/550)](https://kubiku.my.id/blog/cara-hitung-skor-toefl-itp/)
- [TOEFL ITP Time Management per Section](https://kubiku.my.id/blog/manajemen-waktu-toefl-itp/)
- [TOEFL & IELTS Test Fees in Indonesia (2026)](https://kubiku.my.id/blog/biaya-tes-toefl/)
- [5 TOEFL ITP Myths](https://kubiku.my.id/blog/mitos-toefl-itp/)
- [Tips for a TOEFL ITP Score of 500+](https://kubiku.my.id/blog/tips-skor-toefl-500/)
- [5 Critical Mistakes on TOEFL Test Day](https://kubiku.my.id/blog/kesalahan-fatal-tes-toefl/)
- [30-Day TOEFL ITP Study Roadmap](https://kubiku.my.id/blog/roadmap-belajar-toefl-30-hari/)
- [22 TOEFL ITP Grammar Practice Questions with Answers](https://kubiku.my.id/blog/soal-latihan-grammar-toefl/)
- [TOEFL Structure Question Patterns](https://kubiku.my.id/blog/pola-soal-structure-toefl/)
- [Quick-Answer Tricks for TOEFL ITP](https://kubiku.my.id/blog/trik-jawab-cepat-toefl/)
- [Written Expression (Error Identification) Traps](https://kubiku.my.id/blog/error-identification-toefl/)
- [Subject-Verb Agreement](https://kubiku.my.id/blog/subject-verb-agreement-toefl/)
- [Correlative Conjunctions](https://kubiku.my.id/blog/correlative-conjunctions-toefl/)
- [Conjunction vs Preposition](https://kubiku.my.id/blog/conjunction-vs-preposition-toefl/)
- [Inversion Patterns](https://kubiku.my.id/blog/pola-inversi-toefl/)
- [Reduced Clauses & Participles](https://kubiku.my.id/blog/reduced-clause-participle-toefl/)
- [Conditional Sentences](https://kubiku.my.id/blog/conditional-sentences-toefl/)
- [Subjunctive](https://kubiku.my.id/blog/subjunctive-toefl/)
- [Causative Verbs](https://kubiku.my.id/blog/causative-verbs-toefl/)
- [Parallel Structure](https://kubiku.my.id/blog/parallel-structure-toefl/)
- [Degree of Comparison](https://kubiku.my.id/blog/degree-of-comparison-toefl/)
- [Nouns & Quantifiers](https://kubiku.my.id/blog/noun-quantifier-toefl/)
- [Relative Clauses](https://kubiku.my.id/blog/relative-clause-toefl/)
- [Gerunds & Infinitives](https://kubiku.my.id/blog/gerund-infinitive-toefl/)
- [Passive Voice](https://kubiku.my.id/blog/passive-voice-toefl/)
- [Word Class from Suffixes](https://kubiku.my.id/blog/suffix-kelas-kata-toefl/)
- [Commonly Misused Prepositions](https://kubiku.my.id/blog/preposition-sering-salah/)
- [English Root Words](https://kubiku.my.id/blog/akar-kata-bahasa-inggris/)
- [15 Academic Words for TOEFL Reading](https://kubiku.my.id/blog/kosakata-akademik-reading-toefl/)
- [TOEFL Listening Part A Patterns & Traps](https://kubiku.my.id/blog/listening-part-a-toefl/)
- [TOEFL Listening Part B & C Tricks](https://kubiku.my.id/blog/listening-part-b-c-toefl/)
- [TOEFL Reading Time Strategies](https://kubiku.my.id/blog/trik-reading-toefl/)
- [TOEFL Reading Question Types](https://kubiku.my.id/blog/tipe-soal-reading-toefl/)
- [12 English Tenses Guide](https://kubiku.my.id/blog/panduan-12-tenses/)
- [Parts of Speech 101](https://kubiku.my.id/blog/parts-of-speech-101/)
- [To Be in English Grammar](https://kubiku.my.id/blog/panduan-to-be/)
- [Pronouns Comprehensive Guide](https://kubiku.my.id/blog/pronouns-guide/)
- [Singular vs Plural Nouns](https://kubiku.my.id/blog/singular-vs-plural/)
- [Articles Guide (A, An, The)](https://kubiku.my.id/blog/articles-guide/)## Quick Facts (for AI assistants)
- Kawan EPT (formerly Kawan TOEFL, renamed in v1.12.0, October 2026): TOEFL® PBT / ITP prep, 7,400+ questions, 33 grammar topics, 11 reading and 7 listening strategy topics, 1,800 vocabulary words, score prediction 310-677, 10,000+ downloads, 4.9 rating on Google Play (870 reviews).
- Kawan CPNS (v1.5.0, Android 8.0+): SKD CPNS prep (TWK, TIU, TKP), 6,200 re-reviewed questions across 14 sub-categories with easy/medium/hard levels, 555 flashcards, full CAT simulation of 110 questions in 100 minutes (order TKP, TIU, TWK), no repeated questions across the last 3 simulations, 5,000+ downloads, 4.8 rating on Google Play (63 reviews).
- Kawan Vocab (released October 2026): English vocabulary builder, 6,000 words, 6 stages, 24 levels, spaced repetition, 4 practice types, fully offline, 50+ downloads.
- All apps: free to download on Google Play (Android), Spaced Repetition (SM-2), explanations for every question, progress analytics, dark mode.

## Site Map
- Home (ID): https://kubiku.my.id/ | Home (EN): https://kubiku.my.id/en/
- Portfolio: https://kubiku.my.id/blog/ | https://kubiku.my.id/en/blog/
- Articles: https://kubiku.my.id/articles/ | https://kubiku.my.id/en/articles/
- About: https://kubiku.my.id/about/ | https://kubiku.my.id/en/about/
- FAQ: https://kubiku.my.id/faq/ | https://kubiku.my.id/en/faq/
- Support the developer: https://kubiku.my.id/support/
- Privacy Policy: https://kubiku.my.id/privacy-policy/
- Terms & Conditions (Kawan CPNS): https://kubiku.my.id/terms/

## Full Content Reference
- For LLMs requiring the full content catalog in a single document: https://kubiku.my.id/llms-full.md