Comparison

Phrase Builder vs Eikata

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

Head to head
About

Phrase Builder

Features
Read full description

PhraseBuilder helps you understand how English sentences are built. Instead of memorizing rules, you practice sentence structure by assembling phrases from individual words. This approach trains grammar intuition and helps you think in English. How it works: โ€ข Build sentences word by word โ€ข Check your answers instantly โ€ข Practice short, clear exercises โ€ข Track completed phrases and progress PhraseBuilder is designed for beginners and for anyone who wants daily grammar practice without distractions. Clean interface, focused tasks, and no unnecessary features. Learn English sentence structure step by step.

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). Eikata Plus (subscription) unlocks all patterns plus AI feedback on the English sentences you write in Output Lab: a corrected sentence, a more natural alternative, and a short explanation. Yearly (with a 1-week free trial) and monthly plans are available. Purchase and Legal Information Eikata Pro is a one-time in-app purchase, not a subscription. Eikata Plus is an auto-renewable subscription. Payment is charged to your Apple ID when the purchase is confirmed (or when a free trial ends) and at each renewal. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it in Settings > Apple ID > Subscriptions. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://starcrown.co.jp/privacy

Screenshots

Phrase Builder4 screens
Eikata4 screens

Verdict

The call

The clearest difference is in-app purchases: Phrase Builder at none against Eikata's 6. Eikata's advantage is update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Eikata sells 6 in-app purchases, starting at $2.99 per month. Phrase Builder asks for nothing beyond the download.

UpkeepUpdate frequency

Phrase Builder ships an update weekly, Eikata daily. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 6 level
Phrase Builder versus Eikata: the parameters behind the verdict, then further details
ParameterPhrase BuilderEikata
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyWeeklyDaily โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
Monetizationโ€”Free with in-app purchases
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.017.0
Further details โ€” not scored
Size3 MB9 MB
Age rating4+4+
DeveloperRIKO PARTSStarcrown Inc

In-app purchases

None

Phrase Builder

No in-app purchases

6 purchases

Eikata

Subscriptions2
  • Eikata Plus Monthly$2.991 Month
  • Eikata Plus Yearly7 Days trial$17.991 Year
One-time4
  • Coffee Tip$0.49
  • Cookie Tip$2.99
  • Eikata Pro$4.99
Show 1 more
  • Cake Tip$6.99

Questions

Is Phrase Builder free?
Phrase Builder is free to download, with no in-app purchases.
Is Eikata free?
Eikata is free to download, with in-app purchases available.
Do Phrase Builder or Eikata have ads?
Neither Phrase Builder nor Eikata shows ads.
Which is updated more often, Phrase Builder or Eikata?
Phrase Builder ships an update weekly, and Eikata daily. Most recently, Phrase Builder was updated on November 9, 2026 and Eikata on October 31, 2026.

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