Comparison

AirSync Sender vs GLTS

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

Head to head
About

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.

Highlights
  • Wireless screen sharing
  • QR code sharing
  • Split screen support
  • Moderator mode
  • Remote control
  • Annotation tools
  • Screen mirroring
Read full description

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

About

GLTS

This app centralizes essential information for parents, students, and faculty, offering easy access to news, announcements, and calendar events. Users can browse photos, filter content, and quickly find contact details for the school community.

Highlights
  • News and announcements
  • Calendar events
  • Photo and document access
  • Constituent directory
  • Content filtering
  • Direct email contact
Features
Read full description

The Greater Lawrence Tech School app provides parents, students, and faculty members with all the necessary information in one place, conveniently accessible and clearly formatted for use on their mobile devices. The App includes: - Blogs, news, and announcements - Pictures and documents - Calendar events - Constituent directory and more Download the app today to stay informed about the most important news, announcements, and calendar events, and to access the most up-to-date community directory. Users can: - Browse the latest published photos - Filter content and store those preferences for subsequent use - Catch up on current news - Browse calendars for information about upcoming events. Filter calendars to see the events most relevant to their interests - Quickly find faculty, parent, and student contact information - Email a constituent directly from your device The information in the Greater Lawrence Tech School app is drawn from the same source as the Greater Lawrence Tech School website. Privacy controls restrict sensitive information to authorized users only.

Screenshots

AirSync Sender4 screens
GLTS4 screens

Verdict

The call

The clearest difference is review sentiment: AirSync Sender at 50% against GLTS's 0%. GLTS's advantage is rating (2.7 vs 1.8). On price, ratings volume, update cadence and ads 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

GLTS holds the better App Store score, 2.7 against 1.8. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews complicate that: 50% of AirSync Sender's written reviews are positive against 0% of GLTS's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

AirSync Sender ships an update every 5 weeks, GLTS monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
AirSync Sender versus GLTS: the parameters behind the verdict, then further details
ParameterAirSync SenderGLTS
PriceFreeFree
Rating1.8 (5 ratings)2.7 (3 ratings) — better
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings5 — better3
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size82 MB51 MB
Age rating4+4+
DeveloperViewSonic_InternationalGreater Lawrence Tech School

Customer experience

AirSync Sender

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

GLTS

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

AirSync Sender

No in-app purchases

None

GLTS

No in-app purchases

Questions

Is AirSync Sender free?
AirSync Sender is free to download, with no in-app purchases.
Is GLTS free?
GLTS is free to download, with no in-app purchases.
Which has better reviews, AirSync Sender or GLTS?
GLTS is rated higher. AirSync Sender averages 1.8 out of 5 from 5 ratings, while GLTS averages 2.7 from 3 ratings.
Do AirSync Sender or GLTS have ads?
Neither AirSync Sender nor GLTS shows ads.
Which is updated more often, AirSync Sender or GLTS?
AirSync Sender ships an update every 5 weeks, and GLTS monthly. Most recently, AirSync Sender was updated on November 3, 2026 and GLTS on November 5, 2026.

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