Comparison

OEC Explorer vs Eikata

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

Head to head
About

OEC Explorer

Features
Read full description

海量原著,想读就读,让孩子爱上英文,爱上阅读。 无限量的精彩书籍伸手可及探索数千种兴趣和国外文化在阅读中沉浸美式教育,让家长在家也能和孩子以愉快、高效、有趣的形式进行指引性学习。打造随时随地有趣的课外学习图书馆。寓教于乐,带动孩子学习的主动性和能动性。 [产品特色] 针对3-16岁的儿童。学员课程学习的巩固和延伸。学员可以通过APP英语绘本点读翻阅课程,以及拓展知识更丰富的外国课外书。 学语言,听、写、读很重要,通过挑战做题听、写、读,可以自检每人学习成效。学习打卡,学习计划可以推动家长指引孩子在外更专业、主动地学习。

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

OEC Explorer4 screens
Eikata4 screens

Verdict

The call

The clearest difference is in-app purchases: OEC Explorer at none against Eikata's 6. OEC Explorer also leads on iOS requirement (13.0 vs 17.0). Eikata's advantage is update cadence (daily vs every 2 months). 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. Eikata sells 6 in-app purchases, starting at $2.99 per month. OEC Explorer asks for nothing beyond the download.

UpkeepUpdate frequency

OEC Explorer ships an update every 2 months, Eikata daily. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 5 level
OEC Explorer versus Eikata: the parameters behind the verdict, then further details
ParameterOEC ExplorerEikata
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size198 MB9 MB
Age rating4+4+
Developer广东柏高保设备工程有限公司Starcrown Inc

In-app purchases

None

OEC Explorer

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 OEC Explorer free?
OEC Explorer is free to download, with no in-app purchases.
Is Eikata free?
Eikata is free to download, with in-app purchases available.
Do OEC Explorer or Eikata have ads?
Neither OEC Explorer nor Eikata shows ads.
Which is updated more often, OEC Explorer or Eikata?
OEC Explorer ships an update every 2 months, and Eikata daily. Most recently, OEC Explorer was updated on October 29, 2026 and Eikata on October 31, 2026.

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