火龙果 vs CoStudy(HD)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
火龙果
Enhance your English with a vast library of original works, listening features, and grammar explanations. Prepare for exams with practice tests and improve your writing with intelligent grammar correction and translation tools. Access your progress across multiple devices seamlessly.
- 40,000+ English original works
- Audiobooks and reading aloud
- Grammar explanations and校对
- Exam practice tests (考研, 四六级)
- AI-powered writing correction and rewriting
- Dual-screen English-Chinese translation
- Cross-device synchronization
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姊妹版APP--火龙果智能写作，又名火龙果写作，账号会员通用~ 这里有4万多本精品英文原著，有听书、语法讲解、朗读、划句翻译等实用功能；考研、四六级备考真题一网打尽，多种背词模式帮你背诵，还有语法校对为你的英文写作加把劲！让你的英语水平轻松提升到新高度！ 【4万+本英文原著】 来吧，让你爱上英语阅读！包括《小王子》在内的超过4万本英文原著等你来读！而且还有听书、朗读、划句翻译、笔记等多项实用功能，太方便好用了！ 【智能轻松写作】 不仅能帮你纠正写作中的语法问题，还能改写和翻译，简直是太强大了！ 学术改写——将文章改写为学术风格，同时不改变语义哦。 纠错校对——检查百余种常见错误，包括错别字，语法错误和高级语法问题，让你的文章不出差错。 双屏英汉翻译——实时翻译全文内容！ 【历年英语真题】 备考无可回避，历年真题随心练习！利用空闲时间就能在手机上完成分项训练！超级省时又高效！ 【多端同步】 不管是手机、平板、电脑还是网页，都能轻松使用，跨端同步，效率提升百倍！ 【用户协议】https://mypitaya.com/html/licenseagreement-cn.html 【隐私协议】 https://mypitaya.com/html/PrivacyPolicy-cn.html
CoStudy(HD)
This app creates a virtual study environment to combat the loneliness of solo learning. It offers features like virtual classrooms, study partners, and focused study sessions with rewards to boost motivation and productivity.
- Virtual campus with different learning buildings
- Find study partners with similar goals
- Study with friends as virtual desk mates
- Strict focus mode with time limits
- Earn rewards for focused study sessions
- Virtual classroom atmosphere
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有时候会觉得一个人学习有点孤独，即便是在线下的自习室、图书馆，也会不自觉地拿起手机，没人监督也没人陪伴。更别提在家中，缺少周遭的氛围，效率继续直线下降。 CoStudy线上自习室希望打造出陪伴学习的感觉，让你回到学生时代，回到曾经的教室中。虽然你和虚拟教室里的人物理距离可能很远，但你可以感知到他就是你的同桌、前后桌，或者就与你隔了一个过道。学习的路途并不孤单，有人跟你一起前行。 你的努力，都有被看到！ #虚拟校园，阶段分楼 CoStudy校园还原真实的校园场景，按不同阶段设立教学楼，快来找到专属你的教学楼吧。 #志同道合，找到Co伴 根据目标/地区选择楼层，与志同道合的用户结成Co伴，更方便地找到组织，一起努力。 #约上好友，来做同桌 和好友在线上自习室成为同桌，完美解决约自习的问题。与教室内的小伙伴互相加油，学习不再枯燥。 #保持专注，有效监督 严格的规则控制，深度模式下专注期不能随意切出软件，小休期结束需马上回到教室继续专注，否则会浪费自习次数。 #正向激励，自律发币 成功完成一次专注，系统会根据专注时长发放专注工资，每次自习都有正向反馈，动力满满。 下载CoStudy，开启有趣的自律生活！ Co会员服务说明 CoStudy会员服务，为Co岛会员提供超多福利，让你在这里的生活更自由随心。 Co会员包含以下几种订阅价格 非连续订阅产品： 1个月（首次购买）/ 15元 1个月 (非首次购买) / 28元 3个月 / 66元 12个月 / 168元 3年 / 428元 C会员服务协议: http://www.co-study.com.cn/costudy_vip.html -联系我们- 微信公众号：CoStudy自习室
Screenshots
Verdict
火龙果 and CoStudy(HD) both sit at 4.4 stars, but that hides the real split: 94% of CoStudy(HD)'s written reviews are positive against 43% of 火龙果's. 火龙果's advantage is ads (none vs shown) and device support (3 vs 1). On price, rating, ratings volume and update cadence 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. 火龙果 sells 10 in-app purchases, starting at $3.49 per month and CoStudy(HD) sells 10 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.4 for 火龙果 against 4.3 for CoStudy(HD). Both are backed by a comparable volume of ratings — 17 and 36 respectively. Written reviews are what separate them: 43% of 火龙果's written reviews are positive against 94% of CoStudy(HD)'s.
火龙果 ships an update every 3 weeks, CoStudy(HD) monthly. Both last shipped on November 3, 2026.
| Parameter | 火龙果 | CoStudy(HD) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (17 ratings) — better | 4.3 (36 ratings) |
| Positive reviews | 42.9% of reviews | 93.6% of reviews — better |
| Number of ratings | 17 | 36 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 88 MB | 384 MB |
| Age rating | 17+ | 4+ |
| Developer | 北京香侬慧语科技有限责任公司 | Co-study Information Technology (Shanghai) Co., Ltd |
Customer experience
火龙果
CoStudy(HD)
Bugs and requests
火龙果
Not enough reviews yet to summarise bugs or requests.
CoStudy(HD)
Reported bugs
2 issues- Inconsistent recording of study time
- Difficulty ending study sessions properly
Requested features
4 requests- Ability to invite friends to private study rooms
- Option to track study progress and analytics
- Improved sleep tracking and reminders
- More customization options for personal spaces
In-app purchases
火龙果
- 标准版会员连续包月$3.491 Month
- 专业版会员连续包周$6.997 Days
- 标准版会员连续包季$8.993 Months
Show 1 moreShow fewer
- 标准版会员连续包年$29.991 Year
- 标准版月会员$3.99
- 专业版周会员$6.99
- 专业版月会员$9.99
Show 3 moreShow fewer
- 标准版季度会员$12.99
- 专业版季度会员$24.99
- 标准版年会员$29.99
CoStudy(HD)
- Co岛会员-连续包月1 Month trial$3.991 Month
- 购买10个Co钻$0.99
- 购买60个Co钻$0.99
- 购买180个Co钻$2.99
Show 6 moreShow fewer
- 购买300个Co钻$3.99
- 购买680个Co钻$9.99
- 购买980个Co钻$14.99
- 购买1280个Co钻$19.99
- 购买1980个Co钻$29.99
- 购买6480个Co钻$99.99
