Comparison

Yomiko vs Hipocampus

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

Head to head
About

Yomiko

Discover a vast library of Japanese stories tailored to your reading level, from beginner to intermediate. Get instant translations and explanations for tricky sentences to enhance your learning experience. Make mastering Japanese vocabulary and grammar enjoyable and efficient.

Highlights
  • Personalized story library
  • Adjustable difficulty levels
  • Instant sentence translation
  • Grammar and vocabulary breakdown
  • Engaging reading journey
Read full description

Hi there! I'm Yomiko, your personal guide to endless Japanese stories, right at your fingertips. Looking for a quick read or something to challenge your skills? I've got you covered with stories tailored just for you, from simple to intermediate levels. I'm here to make learning fun and efficient—tap any sentence you find tricky, and I'll break it down for you. Ready for a new adventure? Swipe down, and let's dive into the next story. Learning Japanese has never been this easy or this much fun. Let's start our reading journey together!

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

Yomiko4 screens
Hipocampus4 screens

Verdict

The call

The clearest difference is in-app purchases: Yomiko at none against Hipocampus's 3. Yomiko also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (12.0 vs 18.0). On price, ads 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. Hipocampus sells 3 in-app purchases, starting at $2.99 per month. Yomiko asks for nothing beyond the download.

UpkeepUpdate frequency

Yomiko ships an update fortnightly, Hipocampus every 2 months. The most recent releases landed on August 25, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Yomiko versus Hipocampus: the parameters behind the verdict, then further details
ParameterYomikoHipocampus
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better18.0
Further details — not scored
Size30 MB3 MB
Age rating12+12+
DeveloperOleg RakovichMitaanshu Agarwal

In-app purchases

None

Yomiko

No in-app purchases

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 Yomiko free?
Yomiko is free to download, with no in-app purchases.
Is Hipocampus free?
Hipocampus is free to download, with in-app purchases available.
Do Yomiko or Hipocampus have ads?
Neither Yomiko nor Hipocampus shows ads.
Which is updated more often, Yomiko or Hipocampus?
Yomiko ships an update fortnightly, and Hipocampus every 2 months. Most recently, Yomiko was updated on August 25, 2026 and Hipocampus on September 22, 2026.

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