Comparison

北京一卡通 vs 问小白

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

Head to head
About

北京一卡通

Features
Read full description

北京一卡通 app已支持iPhone和Apple Watch开通北京手机一卡通。用户使用Apple Pay刷北京一卡通乘坐公交、地铁等公共交通工具,省去携带实体公交卡的不便,感受耳目一新的移动生活方式。用户也可以使用北京一卡通 app,在线完成对开通的北京一卡通手机充值,享受快人一步的感觉。 主要功能有: • 开卡:使用iPhone和Apple Watch开通北京手机一卡通卡。 • 充值:完成对iPhone和Apple Watch中公交卡的充值。 • 退卡:不再使用卡时,可以将卡内余额及可退服务费退还至指定账户。 • 乘车码:享受扫码乘车的便捷。 • 更多功能:在线客服、交易记录查询、网点查询等。

About

问小白

This AI assistant excels at long-form content generation, complex task management, and maintaining context in extended conversations. It helps with writing, research, and creative projects by remembering past interactions and information.

Highlights
  • Long context understanding
  • Extended conversational memory
  • AI character interaction
  • Long-form content creation
  • Document reading and summarization
  • Image understanding
  • Deep thinking and analysis
Features
Read full description

问小白5Pro是一款支持智能问答、长记忆对话和长篇内容创作的AI助手。 无论是工作学习中的问题解答、资料分析与文档写作,还是持续角色互动、故事推演和小说创作,问小白5Pro都能结合已有对话与创作内容继续完成,让复杂任务保持清晰、连贯。 【问小白5Pro】 全新升级的问小白5Pro,进一步提升了长上下文理解、复杂任务处理和长篇内容创作能力。 它不仅能回答问题,还能围绕同一目标持续理解信息、整理内容并推进任务,减少长对话和长文创作中的遗忘、重复与前后矛盾。 【长记忆对话】 问小白5Pro能够结合已有对话,持续理解重要信息、人物关系、任务背景与用户要求。 适用于需要多轮沟通的复杂问题、持续讨论、角色互动和长期创作,减少反复补充背景信息的操作。 【AI角色互动】 探索不同性格、身份与故事背景的AI角色,体验持续发展的互动剧情。 角色会结合已有设定和故事进度作出回应,让人物关系、重要事件和剧情发展更加自然连贯。 【长篇内容创作】 输入主题、人物设定、故事背景或创作要求,即可辅助完成大纲、章节规划和正文创作。 问小白5Pro可以帮助整理: • 人物设定与关系 • 世界观与背景规则 • 故事主线与支线 • 章节结构与时间线 • 关键事件与伏笔 • 已完成内容与后续方向 适用于小说、剧本、故事、文案和其他长篇内容创作。 【写作与文案】 支持多种内容创作与编辑需求,包括: • 文章与故事创作 • 产品文案与品牌内容 • 工作汇报与总结 • 改写、扩写与润色 • 标题、提纲与创意生成 • 多种风格和篇幅调整 只需说明目标、读者和表达要求,即可快速获得内容初稿。 【文档阅读与总结】 上传PDF、Word、PPT、TXT等文件,帮助提取重点、梳理结构、总结内容并回答相关问题。 面对论文、行业资料、工作文档或学习材料,可以快速定位关键信息,减少重复阅读与整理时间。 【小白研报】 围绕指定主题进行资料整理、内容分析和报告生成,辅助完成行业研究、趋势分析、论文资料和结构化报告。 【图片理解】 上传图片即可识别和分析画面内容,提取文字及关键信息,并围绕图片继续提问。 【深度思考】 针对逻辑分析、数学问题、方案比较和复杂任务,问小白5Pro能够拆解问题并提供更清晰的分析过程。 【适用场景】 • 工作:写报告、做总结、整理资料、生成方案 • 学习:解释知识、阅读文件、梳理重点、辅助写作 • 创作:写小说、做设定、编剧情、完善长篇内容 • 互动:体验AI角色与持续发展的故事 • 日常:智能问答、灵感记录与内容表达 问小白5Pro,让AI不仅回答当前的问题,也能理解之前的信息,继续完成尚未结束的任务。 【联系我们】: • 客服微信:wenxiaobai-ai • 使用过程中有任何问题或建议,请前往顶部导航栏-->【个人主页】-->【设置】-->【意见反馈】中告诉我们哦! 用户协议: https://www.wenxiaobai.com/protocol/user 隐私协议: https://www.wenxiaobai.com/protocol/privacy 会员协议与续费条款: https://www.wenxiaobai.com/protocol/vip

Screenshots

北京一卡通4 screens
问小白4 screens

Verdict

The call

The clearest difference is in-app purchases: 北京一卡通 at none against 问小白's 15. 北京一卡通 also leads on ratings volume (146 vs 6) and iOS requirement (13.0 vs 15.0). 问小白's advantage is update cadence (weekly vs every 2 months). On price, rating, review sentiment and ads 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. 问小白 sells 15 in-app purchases, starting at $3.99 per month. 北京一卡通 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 1.5 for 北京一卡通 against 1.7 for 问小白. That said, the two scores are not equally well evidenced: 北京一卡通 has 146 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 18% of 北京一卡通's written reviews are positive against 22% of 问小白's.

UpkeepUpdate frequency

北京一卡通 ships an update every 2 months, 问小白 weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
北京一卡通 versus 问小白: the parameters behind the verdict, then further details
Parameter北京一卡通问小白
PriceFreeFree
Rating1.5 (146 ratings)1.7 (6 ratings) — better
Positive reviews18.2% of reviews21.8% of reviews — better
Number of ratings146 — better6
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size170 MB240 MB
Age rating4+17+
DeveloperBeijing Municipal Administration & Communication Card Co., Ltd.北京元石科技有限公司

Customer experience

北京一卡通

All ratings146 ratings
Positive11.6%
Neutral3.4%
Negative84.9%
Written reviews121 reviews
Positive18.2%
Neutral5.8%
Negative76.0%

问小白

All ratings6 ratings
Positive16.7%
Neutral0.0%
Negative83.3%
Written reviews55 reviews
Positive21.8%
Neutral3.6%
Negative74.5%

Bugs and requests

北京一卡通

Reported bugs

71 issues
  • App crashes on startup
  • App crashes when enabling Face ID
  • App crashes when detecting VPN
  • Cannot connect with WeChat
  • Cannot sign up without Chinese cell number
Show 66 more
  • Verification code not received
  • Cannot log in
  • Randomly deducts money
  • App flashes and exits
  • 4G connection fails to load
  • Cannot recharge for a whole day
  • Universal link fails
  • System busy error
  • Foreign phone numbers do not receive verification codes
  • Cannot select country/region for phone number
  • App detects VPN and crashes
  • Cannot recharge, money deducted but not credited
  • App requires forced upgrade to recharge
  • SMS verification not sent
  • Foreigners cannot upgrade/add money
  • Passport number not supported
  • App and phone card upgrade leads to health code association issues
  • Bus overcharging
  • App requires login for all actions
  • App bans specific nationalities
  • Recharge function shows unexpected error
  • Username requires letters, numbers, and underscores
  • Login button disabled for SMS login
  • Password input box disabled for username/password login
  • Feedback redirects to login view
  • Double charging on bus
  • Cannot scan code on city buses
  • QR code not refreshing at station
  • Charged full fare for whole trip when QR code fails
  • Physical card recharge fails to link with WeChat
  • Cannot perform real-name authentication with passport
  • Date/time picker for transaction appeal is unresponsive
  • App shows end of trip but charges full fare on next ride
  • Refunds for incorrect charges are not processed
  • Cannot input passport number for foreigners
  • Coupon not applied for discount
  • Lost card/money after phone flashing
  • No transaction history available
  • Cannot scan code on city buses
  • Cards disappear with money
  • Login does not support auto-fill or copy-paste
  • WeChat login experience is poor
  • Recharge fails, money deducted
  • Refund process stuck on 'refunding'
  • Customer service unprofessional and slow
  • Electronic invoice submission unresponsive
  • App takes a long time to open
  • Recharge fails, showing query timeout
  • Cannot use other payment methods
  • Existing balance cannot be used for recharge
  • Card disappears from wallet after a period
  • Face recognition fails
  • Sweep failed happens very often
  • Charge failed and money lost
  • Bus not easy to scan
  • Cannot use Alipay for recharge
  • Cannot log out of account
  • iPhone X crashes
  • Cannot download the app
  • Card disappears after phone loss
  • Digital card has a fee
  • Cannot bind existing physical card
  • Face ID causes app to crash
  • Server connectivity issues
  • App is slow and buggy
  • Incompatible with iOS 11.4

Requested features

11 requests
  • Improve real-time bus tracking
  • Add discount information
  • Improve transaction history display
  • Allow binding of existing physical cards
  • Improve customer support responsiveness
Show 6 more
  • Provide clearer instructions for bus scanning
  • Add dark mode
  • Improve login process (auto-fill, copy-paste)
  • Allow registration without Chinese phone number
  • Support passport numbers for foreigners
  • Improve refund process transparency

问小白

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

北京一卡通

No in-app purchases

15 purchases

问小白

Subscriptions4
  • VIP基础版$3.991 Month
  • SVIP标准版$14.991 Month
  • SVIP专业版$29.991 Month
Show 1 more
  • SVIP旗舰版$59.991 Month
One-time11
  • 8 computing power$0.99
  • One-month VIP membership$4.99
  • 48 computing power$5.99
Show 8 more
  • Three-month VIP membership$12.99
  • Half-year VIP membership$19.99
  • One-year VIP membership$29.99
  • One-month SVIP membership$59.99
  • Three-month SVIP membership$129.99
  • 2888 computing power$229.99
  • Half-year SVIP membership$229.99
  • One-year SVIP membership$349.99

Questions

Is 北京一卡通 free?
北京一卡通 is free to download, with no in-app purchases.
Is 问小白 free?
问小白 is free to download, with in-app purchases available.
Which has better reviews, 北京一卡通 or 问小白?
问小白 is rated higher. 北京一卡通 averages 1.5 out of 5 from 146 ratings, while 问小白 averages 1.7 from 6 ratings.
Do 北京一卡通 or 问小白 have ads?
Neither 北京一卡通 nor 问小白 shows ads.
Which is updated more often, 北京一卡通 or 问小白?
北京一卡通 ships an update every 2 months, and 问小白 weekly. Most recently, 北京一卡通 was updated on October 26, 2026 and 问小白 on October 25, 2026.

Other comparisons