Comparison

Oki vs Flags Quiz

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

Head to head
About

Oki

Learn English with personalized lessons, speaking and writing practice, and detailed feedback from an AI coach. Create flashcards and track your progress across all language skills. This app offers a comprehensive approach to mastering English.

Highlights
  • Personalized lessons based on interests
  • Speaking and writing practice
  • Detailed feedback on mistakes
  • AI coach for real-time conversation
  • Flashcard creation
  • Progress tracking
Features
Read full description

Learning English across multiple apps is inefficient. Oki combines personalized lessons, speaking practice, writing tasks, flashcards, and a personal AI coach in a single interface. Oki teaches 10 languages: English, Spanish, Japanese, Chinese, Kazakh, Italian, French, Vietnamese, Korean and German. What Oki offers: — Lessons created around your interests. The app generates study materials based on the topics that matter to you: from travel and technology to literature and business. This keeps you engaged and helps you remember new content faster. — Speaking practice with intelligent feedback. You speak, and the system analyzes your pronunciation, fluency, and vocabulary usage. Oki highlights exactly what can be improved and suggests adjustments that help you sound more natural. — Writing practice and homework review. Written assignments are checked in detail: every mistake is not just corrected, but explained. You receive a breakdown that shows the reason behind each error, which helps you avoid it in the future. — Flashcards with interval repetition. Completed material is automatically turned into flashcards. The system shows them at the optimal moment so that knowledge moves into long-term memory without unnecessary cramming. — Real-time AI coach conversations. Each dialogue adapts to your current level. New words and phrases are introduced gradually, without overload, so your vocabulary expands naturally during the conversation. Coming soon: — Automatic generation of a complete study program built around your interests and goals.
— Watching YouTube videos with translation and the ability to create lessons based on any video.
— Full in-bot communication without distractions from external tools. Why people choose Oki: A single environment. Lessons, speaking, writing, flashcards, and feedback are available in one app. There is no need to download separate programs for each skill. Real, measurable progress. Unlike traditional apps that mainly offer mechanical exercises in a glossy package, Oki tracks concrete metrics: practice time, number of words spoken, and completed lessons. You always know exactly how far you have come. Tracking of all language skills. Detailed statistics let you see not only completed topics but also the balance between speaking, writing, and revision. Notifications support consistency without harsh pressure. Structured tasks, not endless chat. Unlike text-based AI chatbots, Oki provides a format close to study materials: full lessons, flashcards, verified tasks with error breakdowns. This goes deeper than simply exchanging messages with a bot. Personalization without overload. The AI remembers your interests, preferred pace, and learning style. The difficulty of new words increases gradually, so you never face abrupt jumps or lose confidence. Higher accuracy of feedback. The system detects errors 64% more accurately than comparable solutions and provides corrective feedback that contributes to real improvement, not just a formal check. The method behind Oki was developed with input from English teaching experts from the United States. The project is powered by the Aleem Labs team — an educational community that has been helping learners with free guides for two years. These materials have been used by more than 600,000 people, and an additional 3,000 students from 35 countries have completed training through the team’s programs. Three actions required to master a language: • Learning new words and phrases. • Practicing speaking and writing. • Reviewing through an interval repetition system. Oki implements all three stages: personalized lessons for acquiring new knowledge, speech and writing practice with feedback, and flashcards for reinforcement. This is exactly why users achieve noticeable results. Download Oki and start learning English systematically — without the chaos of multiple apps and superficial cramming. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Flags Quiz

Test your knowledge of world flags, countries, and capitals with this fast-paced geography quiz game. Engage in various quiz modes, track your progress, and unlock achievements. Ideal for students and trivia enthusiasts looking to expand their global awareness.

Highlights
  • Guess countries by flags
  • Match flags with country names
  • Practice capitals
  • Continent-based quizzes
  • Explore U.S. State Flags
  • Logo quizzes (College, NBA, NFL)
  • Track scores and achievements
Features
Read full description

Flags Quiz: World Flags is a clean and fast geography quiz game for learning flags, countries, capitals, and famous emblems from around the world. Choose a quiz mode, answer questions, build your score, and improve your knowledge across continents. Play quick sessions anytime, track your progress, unlock achievements, and explore new challenges focused on world geography and U.S. culture. Features: • Guess countries by flags • Match flags with country names • Practice capitals • Play world or continent-based quizzes • Explore U.S. State Flags • Play College Logos, NBA Logos, and NFL Logos quizzes • Use hints and extra lives • Track best scores and achievements • Learn in multiple languages • Simple, focused gameplay with no account required Whether you are studying geography, preparing for trivia, or just enjoy flags, maps, and famous logos, Flags Quiz: World Flags makes it easy to practice and improve. Privacy Policy: https://yauhenicharnel.github.io/Flags-Quiz/privacy.html Terms of Use (EULA): https://yauhenicharnel.github.io/Flags-Quiz/terms.html

Screenshots

Oki4 screens
Flags Quiz4 screens

Verdict

The call

The clearest difference is rating: Flags Quiz at 5.0 against Oki's 4.4. Flags Quiz also leads on update cadence (every 2 days vs every 4 days). Oki's advantage is ads (none vs shown) and ratings volume (390 vs 2). On price, in-app purchases, monetization model and device support 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. Oki sells 10 in-app purchases, starting at $1.00 per month and Flags Quiz sells 8 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Flags Quiz holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Oki has 390 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Oki ships an update every 4 days, Flags Quiz every 2 days. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Oki versus Flags Quiz: the parameters behind the verdict, then further details
ParameterOkiFlags Quiz
PriceFreeFree
Rating4.4 (390 ratings)5.0 (2 ratings) — better
Positive reviews63.8% of reviews—
Number of ratings390 — better2
Update frequencyEvery 4 daysEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size96 MB27 MB
Age rating12+4+
DeveloperAlidar KuchukovYauheni Charnel

Customer experience

Oki

All ratings390 ratings
Positive84.1%
Neutral2.1%
Negative13.8%
Written reviews141 reviews
Positive63.8%
Neutral9.9%
Negative26.2%

Flags Quiz

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Oki

Reported bugs

1 issue
  • Registration process not working properly

Requested features

2 requests
  • Ability to register through third-party accounts
  • More language learning options

Flags Quiz

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Oki

Subscriptions10
  • Oki Promotion Monthly$1.001 Month
  • Oki Premium 80% Off Discount$1.991 Month
  • Oki Premium 50% off Discount$4.991 Month
Show 7 more
  • Oki Pro Monthly$5.991 Month
  • Oki Pro$9.991 Month
  • Aleem Monthly3 Days trial$9.991 Month
  • Oki Promotion Annual$10.001 Year
  • Oki Pro Annual$29.991 Year
  • Oki Annual$88.001 Year
  • Aleem Annual3 Days trial$88.001 Year
8 purchases

Flags Quiz

Subscriptions3
  • No Ads$1.991 Month
  • Extra Lives$3.991 Month
  • Full Access$6.991 Month
One-time5
  • Starter Pack$0.99
  • 5 Extra Lives$0.99
  • 5 Hints$0.99
Show 2 more
  • Booster Pack$1.99
  • Best Value Pack$3.99

Questions

Is Oki free?
Oki is free to download, with in-app purchases available.
Is Flags Quiz free?
Flags Quiz is free to download, with in-app purchases available.
Which has better reviews, Oki or Flags Quiz?
Flags Quiz is rated higher. Oki averages 4.4 out of 5 from 390 ratings, while Flags Quiz averages 5.0 from 2 ratings.
Do Oki or Flags Quiz have ads?
Flags Quiz shows ads; Oki does not.
Which is updated more often, Oki or Flags Quiz?
Oki ships an update every 4 days, and Flags Quiz every 2 days. Most recently, Oki was updated on October 15, 2026 and Flags Quiz on October 10, 2026.

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