Comparison

WordDeck vs Eikata

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

Head to head
About

WordDeck

Features
Read full description

You learned that word yesterday. Today? Blank. WordDeck is a flashcard app that makes things stick — designed for adults with no time to waste. No ads. No clutter. Just focus. • Smart scheduling Cards show up right when you're about to forget. Less cramming, more retaining. • Quick & flexible Tap through cards at your own pace. Works both ways — front-to-back or back-to-front. • Made for grown-ups A calm, clean interface. No streaks to protect, no coins to collect. • Widget review Study right from your home screen without opening the app. • 5 minutes a day Short sessions that actually add up over time. Who it's for: • Picking up a new language • Prepping for an exam • Tried flashcard apps before and quit • Want results, not rewards Five minutes. Every day. That's it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Eikata

Master essential English sentence patterns through a structured, age-based curriculum. Interactive quizzes and daily streak tracking aid retention, mimicking how native children acquire language.

Highlights
  • Age-based pattern progression
  • Native-like acquisition order
  • Fill-in-the-blank quizzes
  • Daily streak tracking
  • Recorded English audio
  • Learn one pattern daily
Features
Read full description

Eikata helps you learn English sentence patterns in the order native children acquire them. Master 168 essential English patterns across 4 stages: - Age 6: 30 basic patterns (permissions, gratitude, wants) - Age 8: 24 conversational patterns (opinions, suggestions, experiences) - Age 12: 42 advanced patterns (persuasion, nuance, perspective) - Teen: 72 sophisticated patterns (hypotheticals, formal writing) Features: - Recorded and device English audio for every pattern - Fill-in-the-blank quizzes for retention - Daily streak tracking - Learn one pattern a day at your own pace - Pattern Output Lab: write, save, and revisit your own sentence with today's pattern The first 30 patterns (Age 6 stage) are free. Eikata Pro (one-time purchase) unlocks all 168 patterns. Pro also unlocks unlimited saved Output Lab sentences (free users can save up to three). Purchase and Legal Information Pro features are unlocked with a one-time in-app purchase. This is not a subscription. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://starcrown.co.jp/privacy

Screenshots

WordDeck4 screens
Eikata4 screens

Verdict

The call

The clearest difference is in-app purchases: Eikata at none against WordDeck's 2. Eikata also leads on update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement 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. WordDeck sells 2 in-app purchases, starting at $4.99 per month. Eikata asks for nothing beyond the download.

UpkeepUpdate frequency

WordDeck ships an update every 2 weeks, Eikata daily. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 6 level
WordDeck versus Eikata: the parameters behind the verdict, then further details
ParameterWordDeckEikata
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 2 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size7 MB7 MB
Age rating4+4+
Developer株式会社オポチュニティStarcrown Inc

In-app purchases

2 purchases

WordDeck

Subscriptions2
  • プレミアムプラン(月額)$4.991 Month
  • プレミアムプラン(年額)$29.991 Year
None

Eikata

No in-app purchases

Questions

Is WordDeck free?
WordDeck is free to download, with in-app purchases available.
Is Eikata free?
Eikata is free to download, with no in-app purchases.
Do WordDeck or Eikata have ads?
Neither WordDeck nor Eikata shows ads.
Which is updated more often, WordDeck or Eikata?
WordDeck ships an update every 2 weeks, and Eikata daily. Most recently, WordDeck was updated on October 5, 2026 and Eikata on October 7, 2026.

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