Comparison

ZestCam vs ThirdEye

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

Head to head
About

ZestCam

This app provides a clean, professional camera feed for live streaming on OBS and other platforms. It offers zero UI interference, dual-mode output via USB capture card or SRT wireless streaming, and minimalist controls for seamless operation. Enjoy pro-grade video quality with hardware-level stability.

Highlights
  • Ultra-clean camera feed with zero UI interference
  • USB capture card output with low latency
  • SRT wireless streaming over LAN
  • Real-time resolution switching (4K60/4K30/1080P60)
  • One-tap front/back camera switching
  • Gesture controls for UI management
  • Hardware-level stability with 60 fps locked
Features
Read full description

【3-Day Free Trial · Pro-Grade Clean Camera Output】 ZestCam delivers pro-grade clean camera output with only the camera feed, built for OBS live streaming. **Download now for a 3-day free trial** with all features fully unlocked. After the trial, it **auto-renews annually**; cancel anytime in iPhone Settings. --- **Ultra-Clean · Zero UI Interference** Full-screen camera preview on launch: **No status bar · No buttons · No watermark · No Home Bar** Whether rear main cam at **4K60** or front portrait, the feed is **100% pure**—what you see is what the capture card gets. --- **Dual-Mode Output · Zero-Latency Streaming** • **USB Capture Card Output**: Lightning/USB-C capture card → Mac/PC, latency under **50 ms**, supports Elgato, AVerMedia, Ugreen, and other mainstream devices • **SRT Wireless Streaming**: One-tap push to SRT servers (e.g., OBS, vMix, Wirecast) over LAN—stable bitrate, lossless quality > **Wired zero latency, wireless full freedom—one device, two uses, live & record without compromise** --- **One-Tap Switch · Minimalist Control** • **Resolution**: **4K60 / 4K30 / 1080P60** real-time switching • **Front/Back Camera**: Tap to flip instantly—perfect for interviews, teaching, unboxing • **Gesture Controls**:  - Double-tap to wake control panel  - One-tap to hide all UI  - **0.5-second** auto-clean mode on launch --- **Pro Specs · Hardware-Level Stability** • Uses **AVCaptureSession** high-quality presets, auto-adapts to iPhone 8 through iPhone 17 series • **60 fps locked**, no dropped frames, no stuttering • **Screen never sleeps**, stays on throughout streaming • **All system gestures disabled**, eliminating accidental touches --- **Update Log** **v1.0.0 (Initial Release)** - USB capture card output - SRT streaming (LAN) - 4K60 / 1080P60 switching - Front/back camera switching - Double-tap wake, one-tap hide **Roadmap** - NDI wireless streaming - Beauty enhancement - Crop controls - Custom shortcuts - macOS companion client --- **Cancel Subscription**: iPhone Settings → [Your Name] → Subscriptions → ZestCam **Support**: qiueye@gmail.com (reply within 48 hours) **Privacy Policy**: https://waynerqiu.github.io/ios_privacy_policy/ZestCam.html **Terms of Use (EULA)**: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ThirdEye

Transform old iPhones or iPads into a secure home monitoring system without cloud storage. View live feeds locally and privately from anywhere, anytime. Ideal for baby monitoring, pet cams, and home security.

Highlights
  • No cloud storage, local privacy
  • Direct local peer-to-peer connection
  • Turn old phones into security cameras
  • Baby monitor, pet cam, home security
  • Simple setup, no account needed
  • iCloud sync across devices
Features
Read full description

Three-Eye Monitor is a remote monitoring app specifically designed for home environments. With just two iPhones or iPads, you can instantly set up your own home security system—no extra hardware required, and no complicated configurations. Whether you're checking on a sleeping baby, watching your pets, or securing your home, Three-Eye Monitor allows you to view live feeds from anywhere, at any time. —— Why Choose Three-Eye Monitor? —— 【No Cloud Storage, More Secure】 Unlike traditional security apps, Three-Eye Monitor does not rely on cloud servers. Your video and data stay exclusively on your devices—no uploads, no sharing, total privacy. 【Direct Local Connection】 Supports peer-to-peer (P2P) local connections between devices, providing ultra-low latency and stable real-time streaming. 【Turn Old Phones into Security Cameras】 Give your idle iPhone or iPad a second life. Easily transform old devices into powerful home security cameras. 【Versatile Use Cases】 Baby Monitor: Keep an eye on your little one. Pet Cam: Check in on your pets while you're away. Home Security: Guard your living space 24/7. Elderly Care: Stay connected with aging family members. Small Business: Monitor your shop or office. On-the-go: Temporary remote monitoring whenever you need it. 【Simple and Intuitive】 Forget complex registrations. Start monitoring immediately without creating an account. Seamlessly sync across devices via iCloud. Just sign in with the same Apple ID, and your devices will automatically discover each other and establish a secure connection. Its clean, minimalist design makes remote viewing feel effortless and natural. —— A Privacy-First Experience —— We believe that home security should never come at the cost of your personal privacy. Three-Eye Monitor is dedicated to providing a simpler, safer, and more localized remote monitoring experience. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ZestCam3 screens
ThirdEye4 screens

Verdict

The call

The clearest difference is price: ZestCam at Free against ThirdEye's $2.99. ThirdEye's advantage is update cadence (every 2 weeks vs every 4 months). On rating, ratings volume, 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

ZestCam is free to download; ThirdEye costs $2.99 up front. ZestCam sells 2 in-app purchases, starting at $7.99 per year and ThirdEye sells 3 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

On the App Store both sit at effectively the same score — 5.0 for ZestCam against 5.0 for ThirdEye. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

ZestCam ships an update every 4 months, ThirdEye every 2 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
ZestCam versus ThirdEye: the parameters behind the verdict, then further details
ParameterZestCamThirdEye
PriceFree — better$2.99
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615 — better
Further details — not scored
Size6 MB37 MB
Age rating4+4+
Developer明佼 张超 雷

Customer experience

ZestCam

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ThirdEye

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

ZestCam

Subscriptions1
  • ZestCam yearly$7.991 Year
One-time1
  • ZestCam Lifetime$29.99
3 purchases

ThirdEye

Subscriptions2
  • ThirdEye Pro Monthly$1.991 Month
  • ThirdEye Pro Yearly$14.991 Year
One-time1
  • ThirdEye Pro Lifetime Purchase$34.99

Questions

Is ZestCam free?
ZestCam is free to download, with in-app purchases available.
Is ThirdEye free?
ThirdEye costs $2.99, and also offers in-app purchases.
Which has better reviews, ZestCam or ThirdEye?
ZestCam and ThirdEye are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do ZestCam or ThirdEye have ads?
Neither ZestCam nor ThirdEye shows ads.
Which is updated more often, ZestCam or ThirdEye?
ZestCam ships an update every 4 months, and ThirdEye every 2 weeks. Most recently, ZestCam was updated on October 11, 2026 and ThirdEye on October 8, 2026.

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