AirSync Sender vs CheckGrade
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirSync Sender
Wirelessly share your device screen to interactive displays or multiple iOS devices. Facilitates efficient multi-person communication with features like split screen and annotation.
- Wireless screen sharing
- QR code sharing
- Split screen support
- Moderator mode
- Remote control
- Annotation tools
- Screen mirroring
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AirSync Sender is a screen sharing app specially designed for AirSync. With AirSync Sender, you can easily share your screen to AirSync devices, such as the ViewSonic ViewBoard interactive flat panel. Whether connected through the Internet or a local area network, you can use AirSync Sender to share your ideas wirelessly and create a more efficient multi-person communication environment. You can also share AirSync device screen to multiple iOS devices through AirSync sender. The main functions of AirSync Sender include: 1. Screen sharing based on WebRTC technology 2. Sharing screen through QR code 3. Split screen to support multiple sharing screens 4. Support moderator mode 5. Receive device side screen and remote control 6. Annotation 7. Screen mirroring Quick screen sharing guide: 1. Launch the AirSync application on the receiving side 2. Launch the AirSync Sender 3. Enter the display code and one-time password 4. After pressing "Next", and click "Start broadcast" System requirements: 1. iOS 11 or above 2. LAN or WAN connection required
CheckGrade
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CheckGrade 是專為教師設計的班級成績登記工具，讓教師能快速依座號輸入、修改、保存與匯出學生成績。
Screenshots
Verdict
The clearest difference is price: AirSync Sender at Free against CheckGrade's $1.99. AirSync Sender also leads on device support (4 vs 2) and iOS requirement (13.0 vs 18.6). CheckGrade's advantage is update cadence (every 5 days vs every 5 weeks). On 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
AirSync Sender is free to download; CheckGrade costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
AirSync Sender ships an update every 5 weeks, CheckGrade every 5 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.
| Parameter | AirSync Sender | CheckGrade |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 1.8 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 82 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ViewSonic_International | Shih Yuen Hsiao |
In-app purchases
AirSync Sender
No in-app purchases
CheckGrade
No in-app purchases
