Comparison

Kioki vs OTG Play Shift

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

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.

Highlights
  • 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
Features
Read full description

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

Kioki4 screens
OTG Play Shift3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Kioki versus OTG Play Shift: the parameters behind the verdict, then further details
ParameterKiokiOTG Play Shift
PriceFree — better$4.99
Rating4.7 (41 ratings)5.0 (20 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings41 — better20
Update frequencyEvery 6 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size62 MB383 MB
Age rating4+4+
DeveloperLucidcraft Studio, Inc.Ian Larsen

Customer experience

Kioki

All ratings41 ratings
Positive92.7%
Neutral2.4%
Negative4.9%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

OTG Play Shift

All ratings20 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Kioki

Subscriptions2
  • Kioki Premium7 Days trial$9.991 Month
  • Kioki Premium - Yearly7 Days trial$39.991 Year
None

OTG Play Shift

No in-app purchases

Questions

Is Kioki free?
Kioki is free to download, with in-app purchases available.
Is OTG Play Shift free?
OTG Play Shift costs $4.99, with no in-app purchases.
Which has better reviews, Kioki or OTG Play Shift?
OTG Play Shift is rated higher. Kioki averages 4.7 out of 5 from 41 ratings, while OTG Play Shift averages 5.0 from 20 ratings.
Do Kioki or OTG Play Shift have ads?
Kioki shows ads; OTG Play Shift does not.
Which is updated more often, Kioki or OTG Play Shift?
Kioki ships an update every 6 days, and OTG Play Shift every 3 weeks. Most recently, Kioki was updated on October 25, 2026 and OTG Play Shift on October 18, 2026.

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