Classroom PDF vs Light Lecture
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Classroom PDF
This app helps educators annotate and grade PDF documents, worksheets, and slide decks directly on their iPad. It features tools for drawing, pointing, zooming, and wirelessly projecting content to a classroom projector. Organize and share annotated files with students or export them to other apps.
- Annotate PDFs and slides
- Grade worksheets
- Toggle answer covers
- Wireless projection via AirPlay
- Draw, point, and zoom tools
- Organize files with categories
- Share annotated files
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Classroom PDF is designed with unique features to fit your teaching workflow. Use it to grade worksheets and walk-through answers in class. DESIGNED FOR TEACHERS There are lots of PDF apps out there, but Classroom PDF was designed specifically for classroom use. It has special features to make walking through worksheets and in-class quizzes easier. OPEN PDF FILES AND EXPORTED SLIDE DECKS Open any PDF file from other Apps (“open in…" from Dropbox etc.). You can even export PDFs directly from Keynote. ADD COVERS AND TOGGLE WITH A TAP Add covers over answers to questions, and tap to toggle them. Great for in-class quizzes or to enhance class participation. PROJECT WIRELESSLY VIA AIRPLAY Use an AppleTV or physical connector to mirror the iPad's screen to a projector. Walk around the class, and work 1:1 with students. DRAW, POINT, AND ZOOM Annotate documents with smooth ink. Write in answers or grade worksheets. Use the virtual laser-pointer to call out parts of the page. SHARE ANNOTATED FILES Email annotated or graded files to students. You can also export PDFs to 3rd party Apps such as Dropbox. STORE AND ORGANIZE ALL YOUR FILES Keep all your PDF files neatly organized with color coded categories. WE BUILD TOOLS FOR PEOPLE WHO CHANGE THE WORLD You guys have an important job, and it matters to us that you find our Apps helpful in your work. We work really hard to make sure we create the best tools possible, but we also realize that everyone's workflow is slightly different. If you have any thoughts on other features or capabilities you would find useful in your daily work, please do let us know. Your input helps us prioritize our schedules. You can reach us via the feedback page. Thanks for doing the work that you do. We hope that you find Classroom PDF helpful in its small way. Warm regards, - The App Makers @ Qrayon.
Light Lecture
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Light lecture is a player of lecture data. Mac app "Light Lecture Recorder" lets you create lectures from a PDF file, audio files that record your voice, gestures such as pointing to important points. Most importantly, the size of the lecture file created is extremely light compared to a video file recording the actual lecture. The content is just a set of PDF file and some audio files. There are no problems with hundreds of students accessing the server at the same time. This player also has the ability to change the playback speed.
Screenshots
Verdict
The clearest difference is price: Light Lecture at Free against Classroom PDF's $9.99. Light Lecture also leads on in-app purchases (none vs 2) and device support (4 vs 1). On 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
Light Lecture is free to download; Classroom PDF costs $9.99 up front. Classroom PDF sells 2 one-off in-app purchases. Light Lecture asks for nothing beyond the download.
| Parameter | Classroom PDF | Light Lecture |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.5 (15 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Qrayon, LLC | Takeshi Ogihara |
In-app purchases
Classroom PDF
- Standard PurchaseFree
- Bonus PurchaseFree
Light Lecture
No in-app purchases








