Comparison

Cogni vs Todak Time

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

Head to head
About

Cogni

This app uses AI to generate flashcards from various sources like PDFs, notes, and lecture recordings. It employs spaced repetition with the FSRS algorithm to optimize memorization and allows for Anki deck import. Study notes can be generated alongside cards, and a library of pre-made decks is available.

Highlights
  • AI flashcard generation
  • FSRS spaced repetition
  • Anki deck import
  • Integrated study notes
  • Offline study mode
  • Library of pre-made decks
Read full description

Cogni is a flashcard app with FSRS spaced repetition, AI flashcard generation and Anki deck import. Study on iPhone, iPad, Android and the web: your decks and progress sync through one account, and reviews work offline. MAKE FLASHCARDS WITH AI Upload a PDF, photograph your notes or textbook pages, upload a lecture recording, paste text or type a topic. Cogni drafts question-and-answer and cloze cards. You check the drafts and keep the ones you want. FSRS SPACED REPETITION Every card is scheduled with FSRS, the open-source algorithm that predicts when you are about to forget. After each answer, rate your recall (Again, Hard, Good or Easy) and see when the card comes back. Each day you review only what is due. IMPORT YOUR ANKI DECKS Save an .apkg file in Files, tap + in Cogni and choose “Import .apkg”. Cards, subdecks, cloze cards, images and audio come with it. Anki's review history stays in Anki: FSRS builds a new schedule from your answers in Cogni. NOTES NEXT TO YOUR CARDS Generate study notes together with your cards and read them in Cogni on the web, linked to the cards they produced. READY-MADE DECKS Browse a library of 5,000+ decks for languages, medicine, anatomy and more, add a deck and start studying. BUILT FOR - Medical, nursing and pre-med students - Language learners building vocabulary - Students preparing for exams - Anyone moving their decks from another flashcard app FREE TO START Create cards, import decks, sync and study up to 40 card reviews a day for free, and try one AI generation. Cogni Premium removes the daily review limit, adds text-to-speech and includes AI generation within your plan's allowance. Terms of Use: https://cogni.cards/terms/ Privacy Policy: https://cogni.cards/privacy/

About

Todak Time

This app helps you focus on your studies by tracking your time spent on each subject. It offers features like customizable goals, app blocking, and progress visualization to keep you on track. Plan your study sessions and monitor your progress with ease.

Highlights
  • Track study time by subject
  • Customizable goals and reminders
  • App blocking
  • Study planner with notes
  • Lock screen controls
  • Progress visualization (charts, heatmaps)
  • Exam countdowns
  • Home screen widget
Features
Read full description

Track your study time. Plan your next session. Get ready for your exams. Todak Time brings a study timer, daily planner, and exam countdown together in one quiet space. From homework to finals and entrance exams, focus on your own progress without ads, leaderboards, or competition with other students. • Record the time you spend studying Choose a subject and start the timer. Pause when you need a break and set a study time goal for each subject. • Make a plan for each day Add tasks and notes, check off what you finish, and look ahead with weekly and monthly calendar views. • Keep distractions out of your study sessions Choose the apps you need and block the rest while the timer is running. App blocking requires Screen Time permission. • See your study habits take shape Weekly charts and a monthly heatmap show when you studied and how you spent your time. • Keep your exam dates in view Add an exam date to see how many days are left. Turn break reminders, exam countdown reminders, and daily goal reminders on or off separately. • Check your time at a glance See the timer on your Lock Screen. Tap its controls to open the app and pause, resume, or end your session. Add a Home Screen widget for today's study time and your exam countdown. • Use your iPhone and iPad together Enable iCloud sync to keep your study records and plans up to date on both devices. [Todak Pro] A one-time purchase unlocks study reports, yearly statistics, CSV export, and unlimited subjects. Todak is cheering you on as you study today. Feedback & support: ninemomo.public@gmail.com

Screenshots

Cogni4 screens
Todak Time4 screens

Verdict

The call

The clearest difference is ratings volume: Cogni at 1.7K against Todak Time's 1. Todak Time's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases 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. Cogni sells 9 in-app purchases, starting at $4.99 per month and Todak Time sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Todak Time holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Cogni has 1.7K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Cogni ships an update weekly, Todak Time every 6 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Cogni versus Todak Time: the parameters behind the verdict, then further details
ParameterCogniTodak Time
PriceFreeFree
Rating4.7 (1.7K ratings)5.0 (1 ratings) — better
Positive reviews35.8% of reviews—
Number of ratings1.7K — better1
Update frequencyWeeklyEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size76 MB10 MB
Age rating4+4+
DeveloperCOGNIFLY LTDHyeon mo Gu

Customer experience

Cogni

All ratings1,690 ratings
Positive92.8%
Neutral2.7%
Negative4.4%
Written reviews201 reviews
Positive35.8%
Neutral17.4%
Negative46.8%

Todak Time

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Cogni

Reported bugs

2 issues
  • App no longer available after paying for annual subscription
  • Occasional crashes

Requested features

4 requests
  • Integrate ChatGPT or Claude for automatic card creation
  • Add sub-decks for larger decks that need more review
  • Improve algorithm for hard/again ratings to better target struggling cards
  • Add subsections for decks to study different sections separately

Todak Time

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Cogni

Subscriptions7
  • Premium Monthly$4.991 Month
  • Premium Monthly$7.991 Month
  • Premium Monthly$14.991 Month
Show 4 more
  • Premium Annual$19.991 Year
  • Premium Annual$24.991 Year
  • Premium Annual$29.991 Year
  • Premium Annual$49.991 Year
One-time2
  • Lifetime Premium$69.99
  • Premium Lifetime$99.99
1 purchases

Todak Time

One-time1
  • Todak Time Pro$2.99

Questions

Is Cogni free?
Cogni is free to download, with in-app purchases available.
Is Todak Time free?
Todak Time is free to download, with in-app purchases available.
Which has better reviews, Cogni or Todak Time?
Todak Time is rated higher. Cogni averages 4.7 out of 5 from 1.7K ratings, while Todak Time averages 5.0 from 1 ratings.
Do Cogni or Todak Time have ads?
Neither Cogni nor Todak Time shows ads.
Which is updated more often, Cogni or Todak Time?
Cogni ships an update weekly, and Todak Time every 6 days. Most recently, Cogni was updated on November 8, 2026 and Todak Time on November 5, 2026.

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