Kioki vs OTG Play Shift
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kioki
Master vocabulary and real-world expressions for conversations and exams. Create flashcards from notes, PDFs, or images, or use ready-made decks. Features spaced repetition for long-term memory and progress tracking across devices.
- Create flashcards from notes, PDFs, and images
- Spaced repetition for long-term memory
- Ready-made decks for quick start
- Progress tracking and study routine building
- Seamless sync across iOS and web
- Import decks from various file formats
- AI-powered deck creation
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Master the vocabulary and real phrases you'll actually use — in conversations, on your trip, and on exam day. Flashcards are how you get there: start with ready-made decks for travel, small talk, and more, or turn your own notes, photos, and PDFs into decks with AI. Then spaced repetition makes every card stick long-term. Study your way: flip through your cards, test what you studied with quizzes, practice & score your pronunciation, or review hands-free with Listen Mode on your commute. Track your streak, hit your daily goal, and pick up right where you left off on iOS or web. ---------- Why Kioki Real phrases for real conversations — learn the language people actually speak Learn Spanish, Korean, French, Japanese, and more Ready-made decks by situation: Travel, Small Talk, Food & Dining, Real Conversation, and more Spaced repetition that makes it stick long-term Quiz Mode: test what you studied Speaking Practice: say any card out loud and get an instant pronunciation score Listen Mode: hands-free review for commutes, workouts, and flights Cards with images and native audio AI flashcards from notes, photos, and PDFs — build a deck in seconds Import existing decks from TXT, CSV, APKG, and ANKI2 Share any deck with a link — friends can study it instantly, on web or in the app Daily goals and streaks to keep you consistent Seamless sync across iOS and web ---------- Pro Features Unlimited AI deck creation: Turn notes, text, or documents into full flashcard decks instantly PDF to flashcards: Upload PDFs and convert them into study material in seconds File import: Create decks from documents without manual editing Unlimited pronunciation checks: Practice speaking as much as you want ---------- Built for real learning Focus on vocabulary and expressions used in real conversations Prepare for language exams (TOPIK and more) or improve your speaking with instant pronunciation feedback Organize decks by topic, level, or goal Review with spaced repetition designed for long-term memory ---------- Stay consistent Build a daily study habit, track your progress, and stay on top of your learning goals with a simple, focused interface. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
OTG Play Shift
This app uses engaging, game-based activities to help children develop crucial visual and executive functioning skills. It supports cognitive development through exercises targeting visual tracking, attention, planning, and problem-solving, also aiding speech and language development.
- Interactive visual perception exercises
- Games for planning and sequencing
- Activities for speech and language development
- Structured gameplay for therapeutic goals
- Visual skills training
- Executive functioning development
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OTG (Occupational Therapy Games) is an engaging, interactive app designed to help children build essential visual and executive functioning skills—the foundation for strong cognitive development. Through structured, game-based activities, OTG supports the development of: - Visual tracking and visual discrimination - Attention and focus - Planning and sequencing - Problem-solving and working memory OTG also includes activities that support speech and language development, making it a versatile tool for occupational therapists, speech-language pathologists, educators, and parents. Key Features - Interactive exercises targeting visual perception and visual-motor integration - Games designed to strengthen planning, sequencing, and working memory - Activities that support speech, language, and communication development - Structured gameplay aligned with therapeutic and educational goals Game Categories Visual Skills - Left and Right Recognition - Letter Reversal - Shape Finder - Seek and Find Executive Functioning - Concentration - Sequencing - Pattern Coding - Time Teacher Early Literacy - Connect the Dots - Picture Spelling Sequence - Missing Letter - Color by Letter
Screenshots
Verdict
The clearest difference is review sentiment: OTG Play Shift at 100% against Kioki's 33%. OTG Play Shift also leads on in-app purchases (none vs 2) and ads (none vs shown). Kioki's advantage is price (Free vs $4.99) and update cadence (every 6 days vs every 3 weeks). On ratings volume, 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
Kioki is free to download; OTG Play Shift costs $4.99 up front. Kioki sells 2 in-app purchases, starting at $9.99 per month. OTG Play Shift asks for nothing beyond the download.
OTG Play Shift holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 41 and 20 respectively. Written reviews point the same way: 33% of Kioki's written reviews are positive against 100% of OTG Play Shift's.
Kioki ships an update every 6 days, OTG Play Shift every 3 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.
| Parameter | Kioki | OTG Play Shift |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.7 (41 ratings) | 5.0 (20 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 41 — better | 20 |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 383 MB |
| Age rating | 4+ | 4+ |
| Developer | Lucidcraft Studio, Inc. | Ian Larsen |
Customer experience
Kioki
OTG Play Shift
In-app purchases
Kioki
- Kioki Premium7 Days trial$9.991 Month
- Kioki Premium - Yearly7 Days trial$39.991 Year
OTG Play Shift
No in-app purchases









