Comparison

AirSync Sender vs Opti Lesson

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's screen to compatible interactive displays or multiple iOS devices. Facilitates efficient multi-person communication and collaboration through features like split screen and annotation.

Highlights
  • WebRTC screen sharing
  • QR code sharing
  • Split screen support
  • Moderator mode
  • Remote control
  • Annotation
  • 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

Opti Lesson

This app helps educators streamline lesson creation and organization. It offers pre-built templates, detailed planning sections, and tools for tracking progress and reflections. Users can easily export and share plans, and organize their entire lesson library.

Highlights
  • 12 lesson templates
  • Comprehensive planning sections
  • Lesson flow and pacing
  • Post-lesson reflection tools
  • PDF export and presentation mode
  • Organize by subject, grade, tags
  • Attach materials via camera
Features
Read full description

Opti Lesson is the all-in-one lesson planning app built specifically for teachers. Create, organize, and optimize your lessons with powerful tools that make planning faster and teaching more intentional. Start with 12 proven lesson templates including Direct Instruction, Workshop Model, Socratic Seminar, Lab Inquiry, Differentiated Instruction, and more. Each template is pre-built with best practices so you can customize rather than create from scratch. Build your lesson plans with comprehensive sections for learning objectives, lesson flow with segment-by-segment pacing, assessment strategies, materials management, curriculum standards, and post-lesson reflection. Capture learning target, success criteria, and teacher objectives all in one place. Plan with precision using the lesson flow and pacing feature. Break your lesson into timed segments, track total lesson time, mark segments as complete during teaching, and capture live notes to remember what actually happened in the classroom. Track what worked and what needs improvement. After teaching, record your reflections, assess student engagement, plan next steps, and build a personal knowledge base of lesson effectiveness. Your reflection data helps you iterate and improve continuously. Export, share, and present. Generate professional PDF exports of your lesson plans for filing, sharing with colleagues, or keeping records. Present your lesson directly from the app with a clean, distraction-free presentation mode. Organize all your lessons by subject, grade level, date, and custom tags like Hands-on, Discussion, Technology, and Assessment. Search instantly across your entire lesson library. View your teaching calendar to see all upcoming and past lessons at a glance. Attach materials and resources. Scan worksheets, rubrics, and handouts directly into your lesson plans using your device's camera. Keep everything you need for a lesson in one organized place. Opti Lesson turns lesson planning from a tedious task into an intentional, data-driven process. Plan smarter, teach better.

Screenshots

AirSync Sender4 screens
Opti Lesson4 screens

Verdict

The call

The clearest difference is rating: Opti Lesson at 5.0 against AirSync Sender's 1.8. Opti Lesson also leads on update cadence (every 3 days vs monthly). AirSync Sender's advantage is ratings volume (5 vs 1) and device support (4 vs 2). On price, ads, in-app purchases and monetization model 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

Opti Lesson holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: AirSync Sender has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

AirSync Sender ships an update monthly, Opti Lesson every 3 days. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
AirSync Sender versus Opti Lesson: the parameters behind the verdict, then further details
ParameterAirSync SenderOpti Lesson
PriceFreeFree
Rating1.8 (5 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings5 — better1
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size82 MB4 MB
Age rating4+4+
DeveloperViewSonic_InternationalDaniel LeVasseur

Customer experience

AirSync Sender

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

Opti Lesson

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

AirSync Sender

No in-app purchases

None

Opti Lesson

No in-app purchases

Questions

Is AirSync Sender free?
AirSync Sender is free to download, with no in-app purchases.
Is Opti Lesson free?
Opti Lesson is free to download, with no in-app purchases.
Which has better reviews, AirSync Sender or Opti Lesson?
Opti Lesson is rated higher. AirSync Sender averages 1.8 out of 5 from 5 ratings, while Opti Lesson averages 5.0 from 1 ratings.
Do AirSync Sender or Opti Lesson have ads?
Neither AirSync Sender nor Opti Lesson shows ads.
Which is updated more often, AirSync Sender or Opti Lesson?
AirSync Sender ships an update monthly, and Opti Lesson every 3 days. Most recently, AirSync Sender was updated on October 15, 2026 and Opti Lesson on October 12, 2026.

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