Comparison

HTTP Catcher vs Storm Sniffer

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

Head to head
About

HTTP Catcher

This app acts as a web debugging proxy to intercept, inspect, modify, and replay web traffic. It records HTTP and HTTPS traffic directly on your device without needing a computer, making it easy to test apps and websites.

Highlights
  • Intercept and inspect web traffic
  • Decrypt HTTPS traffic
  • Modify requests and responses
  • Replay requests
  • Block URLs
  • View WebSocket
  • DNS mapping
Features
Read full description

HTTP Catcher is a web debugging proxy. It can be used to intercept, inspect, modify and replay web traffic. You don't need to connect to a computer, HTTP Catcher records HTTP traffic under Wi-Fi and cellular networks in the background. HTTP Catcher makes it easy to test your apps and websites, and you can view requests and responses directly. HOW IT WORKS HTTP Catcher creates a local VPN on your device. When you start to capture web traffic, HTTP Catcher will launch a local http proxy in VPN process. All of your web traffic will be forwarded to the local http proxy via VPN. FEATURES * Decrypt HTTPS traffic * View WebSocket * Block URL * Replay request * Modify requests and responses on the fly * Domain name filter * HTML, JavaScript, CSS reformat and re-indent * HEX viewer * DNS mapping

About

Storm Sniffer

Capture and inspect HTTP/HTTPS traffic directly on your iOS device. Debug network issues, rewrite requests and responses in real-time, and replay HTTP requests. Offers advanced scripting capabilities for enhanced scalability.

Highlights
  • Packet capture via local VPN
  • HTTP/HTTPS request/response inspection
  • Real-time request/response rewriting
  • HTTP request replay with cron support
  • JavaScript scripting for scalability
Features
Read full description

Storm Sniffer lets you capture and inspect HTTP / HTTPS requests &responses on your iOS device. It's easy to debug your app’s networking issues without a computer. * Features Packet capture: capture http / HTTPS traffic from iOS devices using local VPN. View http / HTTPS requests and responses in text form, and support HTML, JS, CSS formatting preview; Rewrite: modify http / HTTPS requests and responses in real time. Including URL redirection, custom header, local / remote file mock, etc; Replay: Perform arbitrary HTTP requests with cron support; Scripts: Use local/remote Javascript for more scalability. * How it works Storm Sniffer creates a local VPN on your device, then forwarding all traffic to a Local Man-in-The-Middle Server. As long as the VPN is active, Storm Sniffer can capture all HTTP / HTTPS traffic over Wi-Fi or Cellular Data. * About the sensitive data Storm Sniffer's Root Certificate is a self-signed certificate that is generated in your device. All HTTP / HTTPS requests & responses are captured and stored on your devices WITHOUT ANY REMOTE SERVERS involved. * About Subscription After subscription, you can unlock all advanced functions. Currently, there are three kinds of auto-renewable subscription: Annual $17.99、Quarterly $3.99、 Monthly $1.99 * Terms of Use https://sniffer.x-storm.com/terms/ * Privacy Policy https://sniffer.x-storm.com/privacy/

Screenshots

HTTP Catcher4 screens
Storm Sniffer4 screens

Verdict

The call

The clearest difference is rating: Storm Sniffer at 3.9 against HTTP Catcher's 3.1. Storm Sniffer also leads on review sentiment (76% vs 61%) and chart position (#28 vs unranked). HTTP Catcher's advantage is monetization model (free with in-app purchases vs subscription). On price, ratings volume, update cadence 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. HTTP Catcher sells 2 one-off in-app purchases and Storm Sniffer sells 7 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Storm Sniffer holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 137 and 120 respectively. Written reviews point the same way: 61% of HTTP Catcher's written reviews are positive against 76% of Storm Sniffer's.

UpkeepUpdate frequency

HTTP Catcher ships an update every 3 weeks, Storm Sniffer monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 7 level
HTTP Catcher versus Storm Sniffer: the parameters behind the verdict, then further details
ParameterHTTP CatcherStorm Sniffer
PriceFreeFree
Rating3.1 (137 ratings)3.9 (120 ratings) — better
Positive reviews61.2% of reviews76.4% of reviews — better
Number of ratings137 — better120
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank—#28 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.010.0
Further details — not scored
Size38 MB47 MB
Age rating4+4+
DeveloperMESS LAB LTDHunan Storm Technology Co.,Ltd

Customer experience

HTTP Catcher

All ratings136 ratings
Positive48.5%
Neutral9.6%
Negative41.9%
Written reviews183 reviews
Positive61.2%
Neutral8.2%
Negative30.6%

Storm Sniffer

All ratings121 ratings
Positive68.6%
Neutral5.8%
Negative25.6%
Written reviews148 reviews
Positive76.4%
Neutral4.1%
Negative19.6%

User reviews

HTTP Catcher

From 137 App Store ratings

What we love

  • 🎯 Comprehensive traffic sniffing capabilities
  • 🔒 DNS hijacking and HTTPS decryption support
  • 💻 Works across multiple devices via proxy
  • 💰 Affordable compared to competitors
  • 🎨 Intuitive UI and user-friendly interface

Room to improve

  • 🐛 App crashes on newer iOS versions
  • ❌ Certificate installation issues
  • 🚫 HTTPS capture broken on iOS 16+
  • 📉 Lack of maintenance and updates
  • 😕 Poor customer support responsiveness

Storm Sniffer

From 120 App Store ratings

What we love

  • 🚀 Fast and efficient
  • 👍 User-friendly interface
  • 🔒 Robust security features
  • 💡 Innovative functionality

Room to improve

  • 🐛 Stability issues and crashes
  • 🔒 Privacy concerns around data collection
  • 💰 Paywall for core features
  • 🌐 Compatibility problems with older devices/OS

Bugs and requests

HTTP Catcher

Reported bugs

9 issues
  • Certificate not working on iOS 16
  • App crashes on iOS 16.5.1
  • Advanced replay feature non-functional
  • Restore purchase button unresponsive
  • Piracy detection false positives
Show 4 more
  • Website loading blocked during HTTPS capture
  • Incomplete JSON text display
  • UI rendering issues on iOS 10.3.3
  • Purchase restoration fails after device reset

Requested features

10 requests
  • User agent identification in traffic logs
  • Advanced filtering and search capabilities
  • Per-app request blacklist functionality
  • Request history filtering by application
  • Copy entire request headers at once
Show 5 more
  • Edit and resend requests without rewrite rules
  • TCP and UDP packet capture support
  • Regular expression support for validation
  • Config file import functionality
  • Improved text display for full content visibility

Storm Sniffer

Reported bugs

3 issues
  • Frequent app crashes
  • Subscription/account issues
  • Incompatibility with certain devices/OS versions

Requested features

4 requests
  • Add support for web server monitoring
  • Integrate VPN functionality
  • Improve HTTPS traffic capture
  • Provide more customization options

In-app purchases

2 purchases

HTTP Catcher

One-time2
  • 3 Days Free TrialFree
  • Full Unlock$3.99
7 purchases

Storm Sniffer

Subscriptions3
  • Monthly Auto-renew VIP$1.991 Month
  • Quarter Auto-renew VIP$3.993 Months
  • Annual Auto-renew VIP$12.491 Year
One-time4
  • Packet Capture - LiftTime$2.99
  • Full Unlock$14.99
  • Full Unlock$22.99
Show 1 more
  • Full Unlock$24.99

Questions

Is HTTP Catcher free?
HTTP Catcher is free to download, with in-app purchases available.
Is Storm Sniffer free?
Storm Sniffer is free to download, with in-app purchases available.
Which has better reviews, HTTP Catcher or Storm Sniffer?
Storm Sniffer is rated higher. HTTP Catcher averages 3.1 out of 5 from 137 ratings, while Storm Sniffer averages 3.9 from 120 ratings.
Do HTTP Catcher or Storm Sniffer have ads?
Neither HTTP Catcher nor Storm Sniffer shows ads.
Which is updated more often, HTTP Catcher or Storm Sniffer?
HTTP Catcher ships an update every 3 weeks, and Storm Sniffer monthly. Most recently, HTTP Catcher was updated on October 26, 2026 and Storm Sniffer on October 27, 2026.

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