Comparison

Assyst vs Oki

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

Head to head
About

Assyst

Create, take, and share custom tests and quizzes. Prepare for exams, assess knowledge, and improve memory with a mobile tool for various educational and professional needs. Supports multiple question formats and file sharing.

Highlights
  • Create and edit custom tests
  • Support for qst and qsz formats
  • Multiple question types (single/multiple choice, text, sequence)
  • Add images and hints to questions
  • Time limits for tests
  • Share tests via other applications
  • Track progress and correct answers
Features
Read full description

Assistant - great way to create your own test, prepare for exams, test your knowledge and improve your memory. Well suited for employee testing, advanced training, for assessing candidates before hiring, for school and student tests. The program is a mobile replacement for the outdated desktop application Assist, designed for training tests in qst and qsz ​​formats, which are actively used in training in higher educational institutions of the CIS You can also write your own tests with one or parts of the answers. The created tests, as well as the opposite, can be sent as a qst or qsz file through any messenger, social or mail application. Key Features - Reading both qst and qsz ​​formats - Compilation of new and editing tests - Adding files by link from the Internet - Ability to share the test in other applications - View test content with all answer options - View test content only with correct answers - Practice test or exam - Ability to solve all questions or a few random ones - View the number of correctly answered questions from the total - Time limit for solving the test Writing tests - The question can have one (radio) or several (checkbox) correct answers - There may be questions in which you need to set the correct sequence of answers - There may be questions that need the correct answer in the text box. Answers can be both text and numerical - The test can have an unlimited number of questions, and a question has an unlimited number of answers - Questions and answers can be moved - You can add a hint to the question, which will be visible after answering the question - You can attach one or more images to the question - One image can be attached to the answer In the future release of a version for computers with operating systems Windows, MacOS and Linux. The application is under active development. If you find problems and wishes, write in reviews and e-mail. If you have problems opening files, please send them to denchik-dev@yandex.ru for analysis and error correction.

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. There is no need to switch between different services just to train separate skills. 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/

Screenshots

Assyst4 screens
Oki4 screens

Verdict

The call

The clearest difference is price: Oki at Free against Assyst's $0.99. Oki also leads on review sentiment (64% vs 24%) and ads (none vs shown). Assyst's advantage is iOS requirement (13.0 vs 17.0). On rating, 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

Oki is free to download; Assyst costs $0.99 up front. Assyst sells 8 one-off in-app purchases and Oki sells 10 in-app purchases, starting at $1.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Assyst against 4.4 for Oki. That said, the two scores are not equally well evidenced: Oki has 387 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 24% of Assyst's written reviews are positive against 64% of Oki's.

UpkeepUpdate frequency

Assyst ships an update fortnightly, Oki every 5 days. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

Scorecard6 real differences · 4 level
Assyst versus Oki: the parameters behind the verdict, then further details
ParameterAssystOki
Price$0.99Free — better
Rating4.5 (15 ratings) — better4.4 (387 ratings)
Positive reviews24.0% of reviews63.6% of reviews — better
Number of ratings15387 — better
Update frequencyFortnightlyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size106 MB93 MB
Age rating4+12+
DeveloperDenis ButkoAlidar Kuchukov

Customer experience

Assyst

All ratings15 ratings
Positive86.7%
Neutral0.0%
Negative13.3%
Written reviews25 reviews
Positive24.0%
Neutral12.0%
Negative64.0%

Oki

All ratings387 ratings
Positive84.0%
Neutral2.1%
Negative14.0%
Written reviews140 reviews
Positive63.6%
Neutral10.0%
Negative26.4%

Bugs and requests

Assyst

Not enough reviews yet to summarise bugs or 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

In-app purchases

8 purchases

Assyst

One-time8
  • Coffee 1$0.99
  • Coffee 3$2.99
  • Disable Ads$3.99
Show 5 more
  • PRO version$4.99
  • Coffee 5$4.99
  • Coffee 10$9.99
  • Coffee 15$14.99
  • Coffee 20$19.99
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

Questions

Is Assyst free?
Assyst costs $0.99, and also offers in-app purchases.
Is Oki free?
Oki is free to download, with in-app purchases available.
Which has better reviews, Assyst or Oki?
Assyst is rated higher. Assyst averages 4.5 out of 5 from 15 ratings, while Oki averages 4.4 from 387 ratings.
Do Assyst or Oki have ads?
Assyst shows ads; Oki does not.
Which is updated more often, Assyst or Oki?
Assyst ships an update fortnightly, and Oki every 5 days. Most recently, Assyst was updated on September 28, 2026 and Oki on September 27, 2026.

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