IBST vs AirSync Sender
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IBST
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功能及特色 1. 親師交流：家長針對特定事項，一對一與班級教師進行溝通。 2. 班級通知單：接收班級教師或學校發送的訊息。 3. 聯絡簿：班級教師編輯課堂內容和作業給家長，家長可回覆與老師溝通交流。 4. 學校FB：快速連結到學校官方的Facebook或網站。 5. 行事曆：依月曆查看學校活動和假日。 6. 成績查詢 : 家長可隨時查詢學生各項成績 7. 線上請假 : 家長提交請假申請，老師可查詢統計請假人數和名單，並與教師點名介面連結。
AirSync Sender
Wirelessly share your device's screen to compatible interactive displays or multiple iOS devices. Facilitates efficient multi-person communication and collaboration through features like split screen and annotation.
- WebRTC screen sharing
- QR code sharing
- Split screen support
- Moderator mode
- Remote control
- Annotation
- 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
Screenshots
Verdict
The clearest difference is update cadence: AirSync Sender at monthly against IBST's every 5 months. AirSync Sender also leads on device support (4 vs 2) and iOS requirement (13.0 vs 16.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IBST ships an update every 5 months, AirSync Sender monthly. The most recent releases landed on December 12, 2025 and September 17, 2026 respectively.
| Parameter | IBST | AirSync Sender |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.8 (5 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | PHM BUSINESS SOFTWARE CORP. | ViewSonic_International |
In-app purchases
IBST
No in-app purchases
AirSync Sender
No in-app purchases
