OK Grammar vs Hashi 助词：日语语法练习
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OK Grammar
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Professional Grammar Correction - Not Only AI Identify and correct a wide range of English errors, including misspellings, incorrect verb tenses, and awkward phrases. OK Grammar’s intelligent engine provides precise corrections to make your writing flawless. Comprehensive Analysis & Categorization Receive a detailed comparison between your original and corrected text. Saved reports help you track common mistakes and learn from them, enhancing your English writing skills over time. Accurate OCR Text Scanner Quickly extract text from images using OK Grammar’s high-precision OCR engine. Simply capture a photo or select one from your gallery—no manual typing required. Enhance Your Writing Skills With OK Grammar by your side, you can confidently write English texts that are professional, error-free, and easy to understand. If you choose to purchase premium membership,payment will be charged to your iTunes account ,and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase . Prices are in U.S. dollars, may vary in countries other than the U.S. and are subject to change without notice. No cancellation of the current subscription is allowed during the active subscription period. Our privacy policy : https://www.zkmeitian.com/page/privacy/okgrammar Our tems of use: https://www.zkmeitian.com/page/agreement/okgrammar
Hashi 助词：日语语法练习
This tool helps Chinese native speakers understand Japanese particles. It uses paired contexts, instant explanations, and practice exercises to clarify the differences between commonly confused particles in real sentences.
- Paired context examples
- Instant explanations
- Error correction practice
- 576 original questions
- 59 searchable offline function cards
- Three practice difficulty levels
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为中文母语学习者设计的日语助词辨析工具。通过成对语境、即时解释和错题再练，理解容易混淆的助词在真实句子中的差异。 • 24 个助词对决单元、576 道原创题 • 59 张可搜索的离线助词功能卡 • 基础、进阶、挑战三档练习 • 重叠语境支持“两者皆可”与差别说明 • 结果与最近记录仅保存在本机 • 完全离线、无需注册、免费提供、无广告
Screenshots
Verdict
The clearest difference is in-app purchases: Hashi 助词：日语语法练习 at none against OK Grammar's 4. Hashi 助词：日语语法练习 also leads on update cadence (fortnightly vs every 2 months). OK Grammar's advantage is iOS requirement (12.0 vs 15.1). 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
Both are free to download. OK Grammar sells 4 in-app purchases, starting at $3.99 per month. Hashi 助词：日语语法练习 asks for nothing beyond the download.
OK Grammar ships an update every 2 months, Hashi 助词：日语语法练习 fortnightly. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.
| Parameter | OK Grammar | Hashi 助词：日语语法练习 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 53 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | 广素 陈 | 海锋 李 |
In-app purchases
OK Grammar
- 1 mo. Premium$3.991 Month
- 3 mos. Premium$7.993 Months
- 1 year Premium$12.991 Year
- Grammar Checking$0.99
Hashi 助词：日语语法练习
No in-app purchases
Questions
Is OK Grammar free?
Is Hashi 助词：日语语法练习 free?
Do OK Grammar or Hashi 助词：日语语法练习 have ads?
Which is updated more often, OK Grammar or Hashi 助词：日语语法练习?
Other comparisons
