ISL Light vs TeamViewer QuickSupport
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISL Light
This app allows you to share your iOS device's screen for remote technical support or to control Windows, Mac, or Linux computers from your iPhone or iPad. It offers secure, real-time access and control for both receiving and providing assistance.
- iOS screen sharing
- Remote computer control
- Unattended computer access
- Real-time screen viewing
- AES 256-bit encryption
- Text chat with users
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Share the screen of your iPhone or iPad with a remote technician to receive technical support or use your iOS device to remotely control any Windows, Mac, or Linux computer. Receive technical support: Whenever you need help with your iPhone or iPad, just share the screen of your iOS device with your help desk technician to receive efficient remote support. Provide remote support: Provide technical assistance to remote users by connecting to any Windows, Mac or Linux computer from your iPhone or iPad. Access unattended computers: Remotely access your unattended computers from your iPhone or iPad. Just install ISL Online's remote access agent to your computer and access it remotely at any time. Features: - Real-time iOS screen sharing - Access remote computers, phones or tablets via WiFi/3G/LTE - View remote screen - Switch between multiple monitors - Automatically adjusted Screen resolution - Remotely control computer's keyboard and mouse - Use special keys such as Ctrl, Alt, Windows® and function keys - Send commands such as Ctrl+Alt+Del to remote computer - Switch between left and right mouse click - Reboot a remote computer and instantly resume the remote connection - ISSC Turbo Desktop Sharing - Text-chat with a remote user - Sessions are secured by symmetrical AES 256-bit end-to-end encryption NOTE: To receive support, you can join a session without logging in. To provide support or to access unattended computers, you will need a valid ISL Online account. About: ISL Online is one of the pioneers of the remote desktop support industry. Since 2003, ISL Online has been providing remote control software to IT professionals and help desk technicians across 100 countries, with Japan being the strongest market. Delivered via the cloud or on-premises, ISL Online software allows users to access and control any Windows, Mac or Linux computer or a mobile device to provide ad hoc technical support or to manage systems remotely.
TeamViewer QuickSupport
This app allows trusted remote partners to connect to your iPhone or iPad to provide IT support, transfer files, and communicate via chat. It offers features like dark mode, screen rotation, and user verification for secure connections.
- Remote IT support
- File transfer
- Chat communication
- Dark mode
- Screen rotation
- User verification
- Session codes
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WHAT’S NEW: • Full control over sessions To allow your partner to connect to your device, simply enter the code they provided into the ‘Join Session’ box. You control access to your device and end the session whenever you choose. • Easy for your eyes and your battery You asked, we listened. QuickSupport now features dark mode for a more comfortable experience and better battery life. • Rotate your screen with ease Vertical or horizontal — the app adapts seamlessly to your preferred orientation. • Get onboard quickly Discover all the new UI features with our guided tour, making it easy to get started. • Improved transparency Connect only with users you trust. The app will provide you with user details, such as name, email, country, and license type, so you can verify the identity before granting access to your device. The QuickSupport app by TeamViewer allows you to get instant IT support for your iPhone or iPad. In just a few easy steps, QuickSupport enables your trusted remote partner to connect to your device to: • provide IT support • transfer files back and forth • communicate with you via chat • view device information • adjust WIFI settings, and much more. It can receive connection requests from any device (desktop, web browser or mobile). TeamViewer applies the highest security standards to your connections, ensuring you are always in control of granting access to your device and establishing or ending sessions. To establish a connection to your device, you need to do the following: 1. Open the app on your screen. Connections can't be established if the app is running in the background. 2. Share your ID with your partner or enter a code into the ‘Join Session’ box. 3. Accept the connection request every time. Without your explicit permission, the connection can’t be established. QuickSupport is available to install on any device and model, including Samsung, Nokia, Sony, Huawei, Lenovo, Honeywell, Zebra, Elo, MobileBase, Fujitsu, Philips, Hisense, Doro, TCL and many more. Key features include: • Trusted connections (user account verification) • Session codes for fast connections • Dark mode • Screen rotation • Remote control • Chat • View device information • File transfer • App list (Start/Uninstall apps) • Push and pull Wi-Fi settings • View system diagnostic information • Real-time screenshot of the device • Store confidential information into the device clipboard • Secured connection with 256 Bit AES Session Encoding. Quick startup guide: 1. Your session partner will send you a personal link to the QuickSupport application. Clicking the link will start the app download. 2. Open the QuickSupport app on your device. 3. You will see a prompt to join a session created by your remote partner. 4. When you accept the connection, the remote session will begin. "Information on Optional Access* ● Microphone: Fill the video feed with audio, or used to record message or session *You can use the app even if you do not allow the optional permissions. Please use in-app settings to disable the access."
Screenshots
Verdict
The clearest difference is rating: TeamViewer QuickSupport at 2.9 against ISL Light's 2.4. TeamViewer QuickSupport also leads on monetization model (free vs free with in-app purchases) and ratings volume (5.2K vs 23). ISL Light's advantage is review sentiment (45% vs 29%) and iOS requirement (9.0 vs 15.4). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TeamViewer QuickSupport holds the better App Store score, 2.9 against 2.4. That said, the two scores are not equally well evidenced: TeamViewer QuickSupport has 5.2K ratings behind it against 23, so its average is the more settled of the two. Written reviews complicate that: 45% of ISL Light's written reviews are positive against 29% of TeamViewer QuickSupport's, so the app with the better star average is not the one people write more warmly about.
ISL Light ships an update every 4 months, TeamViewer QuickSupport monthly. The most recent releases landed on July 9, 2026 and September 28, 2026 respectively.
| Parameter | ISL Light | TeamViewer QuickSupport |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (23 ratings) | 2.9 (5.2K ratings) — better |
| Positive reviews | 45.0% of reviews — better | 28.7% of reviews |
| Number of ratings | 23 | 5.2K — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 25 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | ISL Online | TeamViewer Germany GmbH |
Customer experience
ISL Light
TeamViewer QuickSupport
In-app purchases
ISL Light
No in-app purchases
TeamViewer QuickSupport
No in-app purchases
Questions
Is ISL Light free?
Is TeamViewer QuickSupport free?
Which has better reviews, ISL Light or TeamViewer QuickSupport?
Do ISL Light or TeamViewer QuickSupport have ads?
Which is updated more often, ISL Light or TeamViewer QuickSupport?
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