Juan vs Screen Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Juan
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Juan is a mobile application specifically designed for simple security cameras, aiming to provide you with convenient and efficient home and office security monitoring solutions. No matter where you are, you can easily monitor every corner of your home or office in real-time through your smartphone or tablet. Key Features: Real-time Video Monitoring: View live footage from connected cameras anytime, anywhere, ensuring the security of your property. HD Video Quality: Supports multiple resolution settings with pixel-perfect HD video streams, capturing every important detail. Two-way Audio Communication: Built-in microphone and speaker allow you not only to see what's happening on-site but also to communicate with people there. Smart Alert Notifications: Using advanced motion detection technology, instantly sends alerts to your phone upon detecting any unusual activity. Cloud and Local Storage: Offers flexible video storage options, allowing you to save recordings either in the cloud or on a local SD card. Easy Installation and Setup: Simple and intuitive user interface for quick connection and configuration of your security cameras, requiring no technical expertise. Whether for home security protection, caring for the elderly and children, or enterprise security management, Juan is your trustworthy choice. Download Juan and start living with peace of mind every day. - Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/minterms/
Screen Test
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Check your iPhone display in seconds. Screen Test fills the screen with pure colors so dead, stuck or faded pixels stand out, and helps you test touch, burn-in and uniformity before you buy or sell a phone. Free: • Color test: white, black, red, green, blue, yellow, cyan and magenta at full brightness. Tap for the next color, long press to see its name. Premium (one-time purchase, no subscription): • No ads • Touch grid: drag over every cell to find dead touch zones • Multi-touch: see how many fingers the screen detects at once • Gradients, gray levels and checkerboard: spot burn-in, banding and uneven panels • Custom color: fill the screen with any color • Stuck pixel fixer: rapid color cycling, with a photosensitivity warning • Used iPhone check: run the tests in order, mark pass or problem with a note, share a PDF report and keep a history on your device Who it is for: • Checking a used or new iPhone before you buy it • Finding dead pixels, stuck pixels and OLED burn-in • Finding dead touch zones after a drop or a screen repair • Repair shops checking a display before and after a repair Bought Screen Test before it became free? Premium is already yours. Use "Restore purchases" in Settings if needed. Tips: clean the screen first, test dark colors in a dim room and light colors in a bright room. Languages: English, Turkish, German, Spanish, Portuguese, Japanese, French, Arabic, Ukrainian, Russian and Chinese (Simplified). To change the language, open iOS Settings, scroll to Screen Test and choose Language. Privacy: no account, no camera or microphone access. Reports stay on your device. Ads are served by Google AdMob; you can choose whether to allow tracking. The stuck pixel fixer flashes colors rapidly and is not suitable for people with photosensitive epilepsy. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yunusgunduz.com/pp/ScreenTester-PrivacyPolicy.html
Screenshots
Verdict
The clearest difference is ads: Juan at none against Screen Test's shown. Juan also leads on device support (3 vs 1). Screen Test's advantage is update cadence (weekly vs fortnightly). On price, in-app purchases and iOS requirement 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
Both are free to download. Juan sells 15 in-app purchases, starting at $1.99 per month and Screen Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Juan ships an update fortnightly, Screen Test weekly. Both last shipped on October 24, 2026.
| Parameter | Juan | Screen Test |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 163 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Juan Software Technology Co., Ltd. | Yunus Gunduz |
In-app purchases
Juan
- 7天存储|连续包月|移动侦测录像|1通道$1.991 Month
- 7天存储|连续包月|全天录像|1通道$2.991 Month
- AI智能告警 | 高级版 | 连续包月$2.991 Month
Show 6 moreShow fewer
- 30天存储|连续包月|移动侦测录像|1通道$4.991 Month
- 7天存储|连续包年|移动侦测录像|1通道$19.991 Year
- AI智能告警 | 高级版 | 连续包年2 variants$29.991 Year
- AI智能告警 | 高级版 | 连续包年7 Days trial$29.991 Year
- 7天存储|连续包年|全天录像|1通道$34.991 Year
- 30天存储|连续包年|移动侦测录像|1通道$39.991 Year
- AI智能告警 | 高级版 | 1个月$2.99
- 7天存储|31天服务|全天录像|1通道$3.99
- 3天存储|366天服务|全天录像|1通道$24.99
Show 3 moreShow fewer
- AI智能告警 | 高级版 | 1年$29.99
- 7天存储|366天服务|全天录像|1通道$39.99
- 30天存储|366天服务|全天录像|1通道$99.99
Screen Test
- Premium$2.99









