Comparison

Yomoyo vs Hipocampus

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

Head to head
About

Yomoyo

Learn to read Japanese through immersive content and integrated study tools. Access authentic texts, scan physical books, and generate custom stories. Features include a pop-up dictionary, vocabulary lists, and flashcards for effective language acquisition.

Highlights
  • Authentic Japanese content
  • Scan physical books for text extraction
  • AI-powered story generator
  • Pop-up dictionary with kanji breakdown
  • Vocabulary lists and flashcards
  • Export vocabulary to Anki
  • Offline access to saved stories
Features
Read full description

A Japanese app built entirely around immersion reading. The best way to learn to read Japanese isn’t by hours of flashcards or grammar textbooks — it’s by actually reading Japanese. Because reading doesn’t just teach you how to read — it teaches you how to describe, reason, and think in Japanese too. Reading doesn’t just teach you kanji — it builds fluency. And true fluency comes from immersion: real context, real sentences, real Japanese. That’s why we built Yomoyo, so you can have your reading content, dictionary, and study tools for immersion all in one place. 読もうよ! -- KEY FEATURES -- • Real Japanese Content Read authentic Japanese from real sources — including folktales, Japanese news articles, Wikipedia, and original stories written by Japanese authors. • Scan Physical Books Snap a photo of any Japanese book. Yomoyo pulls out the text so you can read it with furigana, dictionary lookups, and more. • AI-Powered Reading Generator Type in a topic — anime, travel, cooking, whatever you want — and instantly get a Japanese story for your reading level and interests. • Pop-up Dictionary + Kanji Breakdown Tap any word to instantly see its definition, reading, pitch accent, and a breakdown of each kanji character. No need to switch apps or guess — it’s all right there. • Vocabulary Lists + Flashcards Every word you tap can be saved to a vocabulary list and studied later with flashcards. • Export to Anki Prefer Anki or other SRS software? Export any vocab list as .tsv files to keep your flashcard system in sync. • Favorites & Recents Save your favorite stories and access them anytime — even offline. Your recently read stories are also stored automatically so you can pick up where you left off. • Furigana Toggle Show or hide furigana to control how much help you want. -- CONTACT -- Have questions or need support? Reach out to us at support@yomoyo.ai. We're here to help! -- TERMS & PRIVACY -- By using this app, you agree to Yomoyo's Terms and Conditions and Privacy Policy. Terms and Conditions: https://yomoyo.framer.website/terms Privacy Policy: https://yomoyo.framer.website/privacy-policy

About

Hipocampus

Features
Read full description

Hipocampus is a serious flashcard and spaced-repetition app for high-stakes professional exams: USMLE Step 1, Step 2 CK and Step 3, NCLEX, Bar, CFA, CPA, ANZCA Primary, Royal College exams, AMC, and custom study plans. WHY HIPOCAMPUS - FSRS-5 scheduling: Pro review sessions use the modern FSRS memory model to schedule each card around difficulty, stability, and retrievability. - Active recall first: review from the answer side only after you commit, then rate Again, Hard, Good, or Easy. - Free recall: Pro users can type an answer or write with Apple Pencil, then grade the response into the scheduler. - Insights: Pro charts show recent recall accuracy, reviews this week, and a 14-day due-card forecast. - Cram mode: review every active card before an exam without polluting your main schedule. - Bring your own decks: create cards in-app or import compatible .apkg deck exports from Files. FREE AND PRO Free includes local deck creation, seeded exam decks, and manual review. Hipocampus Pro unlocks FSRS-5 scheduling, coach explanations after missed cards, Insights, cram mode, .apkg import, and Pencil or typed free-recall grading. Pro is available as auto-renewing subscriptions: - Hipocampus Pro Monthly: monthly subscription. - Hipocampus Pro Yearly: yearly subscription. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel subscriptions in Settings > Apple ID > Subscriptions. Payment is charged to your Apple ID account after confirmation of purchase. PRIVACY AND TERMS Privacy Policy: https://hipocampus.keenshift.ai/privacy Terms of Use (EULA): https://hipocampus.keenshift.ai/terms Support: https://hipocampus.keenshift.ai/support Hipocampus is a study tool, not a medical, legal, or financial-advice product. Always verify clinical, legal, and financial facts against primary sources before acting on them.

Screenshots

Yomoyo4 screens
Hipocampus4 screens

Verdict

The call

Yomoyo and Hipocampus are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Yomoyo sells 6 in-app purchases, starting at $6.99 per month and Hipocampus sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Yomoyo versus Hipocampus: the parameters behind the verdict, then further details
ParameterYomoyoHipocampus
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequency—Every 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.218.0 — better
Further details — not scored
Size265 MB3 MB
Age rating4+12+
DeveloperMiles WilsonMitaanshu Agarwal

In-app purchases

6 purchases

Yomoyo

Subscriptions6
  • Yomoyo Pro 1 Month7 Days trial$6.991 Month
  • Yomoyo Pro 1 Month7 Days trial$14.991 Month
  • Yomoyo Pro 3 Months7 Days trial$14.993 Months
Show 3 more
  • Yomoyo Pro 3 Months7 Days trial$34.993 Months
  • Yomoyo Pro 1 Year7 Days trial$44.991 Year
  • Yomoyo Pro 1 Year7 Days trial$89.991 Year
3 purchases

Hipocampus

Subscriptions2
  • Hipocampus Pro Monthly$2.991 Month
  • Hipocampus Pro Yearly$19.991 Year
One-time1
  • Hipocampus Pro Lifetime$199.99

Questions

Is Yomoyo free?
Yomoyo is free to download, with in-app purchases available.
Is Hipocampus free?
Hipocampus is free to download, with in-app purchases available.
Do Yomoyo or Hipocampus have ads?
Neither Yomoyo nor Hipocampus shows ads.

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