Comparison

FlowSpy vs HtpSniffer

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

Head to head
About

FlowSpy

Features
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FlowSpy is an AI-powered network debugging tool for developers, QA engineers, and security researchers. Capture, inspect, filter, replay, analyze, and export HTTP/HTTPS traffic directly on iPhone and iPad. [LOCAL VPN CAPTURE] FlowSpy uses a local VPN and on-device proxy to capture HTTP/HTTPS traffic. The VPN is only used for local network debugging. It does not provide remote VPN service, anonymization, censorship circumvention, network acceleration, or remote traffic forwarding. [HTTPS INSPECTION AND CERTIFICATE GUIDE] To inspect HTTPS payloads, users must explicitly install and trust a self-signed CA certificate generated locally on the device. FlowSpy provides guided setup steps, and users can stop capture, remove the VPN configuration, or clear certificates at any time. [AI ANALYSIS] Local rule analysis is available by default and does not upload data. Pro cloud AI analysis only runs when the user explicitly starts analysis for selected traffic. It helps identify anomalous requests, performance issues, security risks, and suggested fixes. [DEVELOPER WORKFLOW] • Browse requests grouped by domain • Filter by method, status code, host, protocol, and content type • Inspect headers, body, cookies, timing, and response payloads • Replay requests and edit parameters before replaying • Export HAR, JSON, CSV, and cURL • Scan token, cookie, and privacy-field risks [PRIVACY FIRST] Captured traffic is stored locally on the device by default. FlowSpy does not include advertising SDKs and does not track users across apps or websites. Use packet capture and HTTPS inspection only on devices, apps, websites, and networks you are authorized to inspect. [SUBSCRIPTION INFORMATION] FlowSpy offers a free tier and Pro auto-renewable subscriptions: Free tier: • Basic packet capture • Local rule analysis • 3 free daily uses each for AI analysis, advanced filters, and professional export Pro Monthly: • $9.99 / month • Unlocks unlimited AI analysis, advanced filters, and professional export Pro Annual: • $59.99 / year • Saves 50% each year compared with monthly billing • Unlocks the same Pro features as the monthly plan Payment will be charged to your App Store account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your App Store account settings. Actual pricing and duration are shown in the App Store purchase confirmation sheet. Privacy Policy: https://flowspy.bytestrans.info/privacy.html Terms of Service: https://flowspy.bytestrans.info/terms.html Support: smartnetworkinc@hotmail.com

About

HtpSniffer

Features
Read full description

HtpSniffer 是一款面向开发者、测试人员和接口联调场景的 HTTP/HTTPS 网络调试工具,帮助你在 iPhone 上查看、分析、过滤和复现网络请求。 你可以在本机开启抓包,查看请求方法、URL、状态码、请求头、响应头、请求体、响应体、Cookie、Set-Cookie 和详细耗时。对于接口开发、移动端联调、测试环境验证、问题复现和代理链路排查,HtpSniffer 可以让网络请求变得更清楚、更容易定位。 主要功能: HTTP/HTTPS 抓包记录:按会话保存请求,便于区分每次测试过程。 请求与响应详情:分 Tab 查看总览、请求、响应、Cookie 和耗时。 HTTPS 调试:通过本地证书和 Network Extension,在你授权后查看 HTTPS 明文内容。 规则过滤:支持完整域名、域名后缀、关键字和正则表达式匹配。 流量动作:支持记录、直连和拒绝,减少系统服务、广告域名或无关请求干扰。 域名映射:将测试域名映射到指定主机,方便本地服务联调。 外部代理:将流量转发到上游代理工具,适合与桌面代理、网关或团队调试环境组合使用。 脚本扩展:使用 JavaScript 自动处理请求事件。 重写与重发:基于当前请求修改 URL、方法、Header 和 Body 后重新发送,复现接口问题更直接。 Cookie 与耗时分析:查看请求 Cookie、响应 Cookie,以及排队、连接、TLS、发送、等待、接收等耗时信息。 数据导出与清理:选择会话后批量导出或清除抓包记录,便于归档和协作。 隐私与安全: HtpSniffer 的抓包数据默认保存在你的设备本地,不会自动上传请求内容、Cookie、Header、请求体或响应体。你可以随时清理记录,也可以主动导出数据用于问题归档或团队协作。 请仅在你有权调试的 App、网站、接口或测试环境中使用本工具。HTTPS 抓包需要你主动安装并信任本地证书,调试完成后可以停止抓包并移除证书。

Screenshots

FlowSpy4 screens
HtpSniffer4 screens

Verdict

The call

The clearest difference is in-app purchases: HtpSniffer at none against FlowSpy's 2. HtpSniffer also leads on iOS requirement (15.6 vs 17.0). FlowSpy's advantage is chart position (#194 vs unranked). 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. FlowSpy sells 2 in-app purchases, starting at $9.99 per month. HtpSniffer asks for nothing beyond the download.

Scorecard3 real differences · 3 level
FlowSpy versus HtpSniffer: the parameters behind the verdict, then further details
ParameterFlowSpyHtpSniffer
PriceFreeFree
AdsNoNo
In-app purchasesYesNo — better
Best chart rank#194 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size4 MB25 MB
Age rating4+4+
DeveloperChongqing Spell Technology Co., Ltd.Fuzhou Cangshan Benyunshi Technology Co., Ltd

In-app purchases

2 purchases

FlowSpy

Subscriptions2
  • FlowSpy Pro Monthly$9.991 Month
  • FlowSpy Pro Annual$59.991 Year
None

HtpSniffer

No in-app purchases

Questions

Is FlowSpy free?
FlowSpy is free to download, with in-app purchases available.
Is HtpSniffer free?
HtpSniffer is free to download, with no in-app purchases.
Do FlowSpy or HtpSniffer have ads?
Neither FlowSpy nor HtpSniffer shows ads.

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