Comparison

错题本 vs 纳米AI

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

Head to head
About

错题本

This learning tool helps students and parents efficiently manage incorrect answers from homework and tests. It uses advanced technology to quickly capture, organize, and review mistakes, making studying smarter and more effective.

Highlights
  • Photo capture of incorrect answers
  • Automatic removal of handwriting
  • Subject-based categorization
  • Detailed breakdown of questions and solutions
  • Custom practice test generation
  • Daily review for targeted learning
Features
Read full description

错题本是一款专为学生和家长设计的智能学习工具,旨在解决错题整理耗时长、效率低的难题。我们通过先进的技术,让错题管理变得简单高效,助力学习更上一层楼。 主要功能: 拍错题:只需拍照上传,一键去除手写痕迹,十几秒整理一道错题,彻底告别手抄烦恼。 错题本:支持按科目分类的错题收集,每道错题分为题干、错解、正解三部分,方便复习和自测,轻松生成专属练习卷。 高效学习:每天15分钟,快速回顾错题,查漏补缺,提升成绩更轻松。 适用人群: 学生:快速整理作业和考试中的错题,强化薄弱知识点。 家长:省时省力,协助孩子高效学习,陪伴成长更轻松。 为什么选择我们? 整理错题不再是负担!错题本用科技解放你的时间,让学习变得更智能、更高效。立即下载,体验不一样的错题管理方式! 高级订阅: •确认购买时,将向iTunes帐户收取费用 •订阅会自动续订,除非在当前期间结束前至少24小时关闭自动续订 •帐户将在当前期间结束前24小时内收取续订费用,并确定续订费用 •订阅可以由用户管理,并且可以在购买后转到用户的帐户设置来关闭自动续订 •如果提供免费试用期,任何未使用的部分将在用户购买该出版物的订阅时被没收(如果适用) 使用条款:https://www.freeprivacypolicy.com/live/e20a5f60-cea4-4c21-9c44-a0bcdbd56f87 隐私政策:https://www.freeprivacypolicy.com/live/82c9ce4b-e2f9-4918-bb71-63a4ebfaaa10

About

纳米AI

This app acts as a super intelligent agent, generating expert-level videos, reports, and presentations from simple text prompts. It offers specialized AI agents for various tasks, including image editing, digital human video creation, and PPT generation, all powered by multiple large language models.

Highlights
  • Generate videos, reports, and PPTs from text
  • Specialized AI agents for various tasks
  • Digital human video creation
  • Professional image editing
  • PPT generation from themes or files
  • Integrated with 16 large language models
  • Personalized knowledge base
Features
Read full description

纳米AI-你的专属超级智能体,一句话生成专家级视频、报告、PPT。 涵盖多个不同领域的专家型智能体,海量官方MCP工具一键启用,你也可以自主添加MCP工具,完成特定任务,颠覆了传统AI搜索只给链接,不给答案不干活的局限,能够完成生活、工作、学习、创作各场景中的复杂任务。 - 纳米P图,集合爆火的万物变手办、人物肖像照等玩法,即可轻松实现专业级的摄影作品修改,也可生成电商产品效果图。 - 纳米AI 数字人3.0,专注提供“单人”视频生成方案,在电商带货、自媒体口播等不同领域,使用你上传的形象、声音,生成在多场景、多服饰、动作丰富生动的口播视频。 - 纳米AI 一句话生大片,支持多角色、多音色,一句话即可生成微电影、时事新闻解读等多类型影片。 - 纳米AI PPT制作大师,提供主题或者上传文件即可生成美观又专业的PPT!工作汇报、教学课件、科研答辩、营销分析都擅长 - 纳米AI,集成MCP万能工具箱,打破信息围墙,让搜索更全、更广、更深、更专业 - 纳米AI,结合知识库,实现个性化搜索,让搜索更“懂你” - 纳米AI,集成DeepSeek-V3/R1,智脑,通义千问QwQ-32B等十六家大模型,支持深度推理、个人知识库管理,大模型群聊、语音生图、AI视频创作、文档和图片解读等能力! - 纳米AI,拍照问,语音搜,直接给答案! - 纳米AI,自定义大模型群聊,大模型对话生图、语音修图等多种玩法,任选你喜欢的AI大模型为你打工 - 纳米AI,一句话生成图片,一张图生成音乐短视频! - 纳米AI,更新颖的问答方式,让搜索变得简单直观! - 纳米AI,重塑搜索,创新AI搜索体验! 产品功能亮点: - 纳米AI智能体,全程透明可编辑,提升交付结果可用性 - 知识库:开启第二大脑,一键导入文档,快速理解、归纳、总结,轻松解答相关问题。 - 大模型群聊:汇聚包含推理大模型DeepSeek-R1/V3在内的,共16位知名大模型专家,任意选择你喜欢的AI大模型组成群聊,自动分工帮你解决一切难题,带你一站式领略国内优秀的AI智慧,体验强大的AI阵容。 - AI创作:只需讲一句话,就能生成精美的图片,各种风格任意挑选,让你的创意跃然眼前。支持上传图片,一键生成视频,让你的照片活起来,随时随地发挥创意。 - 多维交互:支持文字、语音、拍照、视频等多种搜索方式,随时随地满足你的搜索需求,智慧不止步。 - 多元解答:从简洁到深入,为你提供丰富的解答方案,轻松解决识人、识物、解题、旅游攻略等各种难题。 如果你觉得纳米AI搜索很好用,请向身边的朋友推荐我们,非常感谢! ===订阅协议====== 会员服务协议:https://pop.vip.360.cn/help/nami/vipServicesAgreement.html 自动续费协议:https://pop.vip.360.cn/help/nami/vipServicesAgreement_xf.html ===联系我们====== 纳米AI搜索持续进化中!遇到任何问题,请在"我的-问题反馈"中告诉我们,纳米AI搜索团队将及时处理,让每一次体验都值得打call! 官方网址:N.CN 欢迎来玩!

Screenshots

错题本4 screens
纳米AI4 screens

Verdict

The call

The clearest difference is update cadence: 纳米AI at weekly against 错题本's every 2 months. 纳米AI also leads on ratings volume (211 vs 5). 错题本's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ads and in-app purchases 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. 错题本 sells 2 in-app purchases, starting at $1.99 per month and 纳米AI sells 14 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for 错题本 against 4.3 for 纳米AI. That said, the two scores are not equally well evidenced: 纳米AI has 211 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

错题本 ships an update every 2 months, 纳米AI weekly. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
错题本 versus 纳米AI: the parameters behind the verdict, then further details
Parameter错题本纳米AI
PriceFreeFree
Rating4.2 (5 ratings)4.3 (211 ratings) — better
Positive reviews—53.8% of reviews
Number of ratings5211 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size46 MB231 MB
Age rating4+17+
Developer深圳市美易网科技有限公司Beijing Qihoo Technology Co Ltd

Customer experience

错题本

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%

纳米AI

All ratings211 ratings
Positive81.0%
Neutral3.3%
Negative15.6%
Written reviews80 reviews
Positive53.8%
Neutral8.8%
Negative37.5%

Bugs and requests

错题本

Not enough reviews yet to summarise bugs or requests.

纳米AI

Reported bugs

2 issues
  • Unable to receive verification code for overseas users
  • App crashes on older devices

Requested features

2 requests
  • Dark mode option
  • AI video generation queue improvement

In-app purchases

2 purchases

错题本

Subscriptions2
  • 连续包月3 Days trial$1.991 Month
  • 连续包年3 Days trial$9.991 Year
14 purchases

纳米AI

Subscriptions3
  • 连续包月VIP1 Month trial$6.991 Month
  • 连续包季VIP$19.993 Months
  • 连续包年VIP$69.991 Year
One-time11
  • 100纳米$0.99
  • 300纳米$3.99
  • 1个月VIP$7.99
Show 8 more
  • 1000纳米$14.99
  • 6个月VIP$49.99
  • 年卡(活动)$59.99
  • 5000纳米$69.99
  • 15个月VIP(限时活动)$79.99
  • 12个月VIP$79.99
  • 36个月$99.99
  • 10000纳米$149.99

Questions

Is 错题本 free?
错题本 is free to download, with in-app purchases available.
Is 纳米AI free?
纳米AI is free to download, with in-app purchases available.
Which has better reviews, 错题本 or 纳米AI?
纳米AI is rated higher. 错题本 averages 4.2 out of 5 from 5 ratings, while 纳米AI averages 4.3 from 211 ratings.
Do 错题本 or 纳米AI have ads?
Neither 错题本 nor 纳米AI shows ads.
Which is updated more often, 错题本 or 纳米AI?
错题本 ships an update every 2 months, and 纳米AI weekly. Most recently, 错题本 was updated on September 19, 2026 and 纳米AI on September 28, 2026.

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