Plant Light Meter vs Offline PDF Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plant Light Meter
This app helps indoor plant owners assess the light conditions their plants are receiving. By using your phone's camera, you can measure light levels and understand if they are optimal for your specific plant's needs, preventing common issues like lack of light.
- Measure natural and artificial light
- Interpret light levels for plant health
- Compatible with rear camera
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After excessive watering, lack of light is the second most common cause of death of indoor plants. Better light conditions will keep your plants healthy. Measure your plants’ ideal light levels for the price of a cup of coffee! How to use: - Launch the application - Point the camera toward the plant’s leaves - Press the “Measure” button How to interpret the measurement: - Very low light: Difficult conditions for plants to survive. - Low light: For plants that can tolerate low levels of light, such as the aglaonema, parlor palm, and philodendron. - Medium light: For the majority of indoor plants, such as the Dracaena, Pothos, and spider plant. - High light: For plants that love light, such as the zebra plant, areca palm, and croton. Features: - Detection of natural light & artificial lights - Compatible with rear camera only Notes: This application allows you to measure the light levels of indoor plants. However, if you need very precise measurements, the use of professional equipment is recommended.
Offline PDF Editor
This app offers a comprehensive suite of PDF editing tools that operate entirely offline on your device. It allows you to merge, split, compress, convert, sign, and fill PDFs without needing an internet connection or uploading your files to the cloud. An AI chat feature is also available for summarizing and querying your documents locally.
- 100% Offline PDF Editing
- Merge, Split, Compress PDFs
- Convert PDF to Image
- Sign and Fill Forms
- On-device AI Chat
- Password Protection
- Zero Cloud Uploads
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ProperPDF is the PDF editor that never uploads your files. Every tool runs 100% on your device - no internet connection required, no cloud servers involved, no account needed. WHY PROPERPDF? Your documents contain sensitive information - contracts, tax forms, medical records, school assignments. Most PDF apps upload your files to remote servers for processing. ProperPDF processes everything locally on your device. Your files never leave your phone. COMPLETE PDF TOOLKIT - Merge & Combine - Join multiple PDFs into one document - Split & Extract - Pull out specific pages or page ranges - Compress - Reduce file size without losing quality - Convert - PDF to JPG, PNG, or image to PDF - Lock & Unlock - Add or remove password protection - Sign - Draw or type your signature directly on any PDF - Fill Forms - Complete PDF forms on your phone - Rotate, Reorder & Delete - Organize pages exactly how you need them - Edit Metadata - Update document title, author, and properties - View & Read - Fast, smooth PDF reader with zoom and navigation AI-POWERED PDF CHAT Ask questions about your documents and get instant answers. Summarize lengthy reports, extract key points, or search through content - all powered by on-device AI. Your conversations stay private because the AI runs locally on your phone. BUILT FOR PRIVACY - Zero cloud uploads - files never leave your device - Zero internet required - works in airplane mode - Zero accounts needed - no sign-up, no tracking - Zero data collection - we don't see your documents PERFECT FOR Students - annotate textbooks, merge lecture notes, compress assignments Professionals - sign contracts, fill forms, organize documents Anyone - handle everyday PDF tasks without trusting a cloud server WORKS OFFLINE. ALWAYS. No Wi-Fi? No problem. Every feature works without an internet connection. Whether you're on a flight, in a meeting, or somewhere without service - ProperPDF has you covered. Download ProperPDF - the PDF editor that respects your privacy. Privacy Policy: https://tryproperpdf.app/privacy-policy Terms of Service: https://tryproperpdf.app/terms-of-service
Screenshots
Verdict
The clearest difference is review sentiment: Offline PDF Editor at 100% against Plant Light Meter's 39%. Offline PDF Editor also leads on price (Free vs $2.99) and rating (5.0 vs 4.6). Plant Light Meter's advantage is in-app purchases (none vs 4) and ratings volume (1.1K vs 10). On update cadence, ads and device support 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
Offline PDF Editor is free to download; Plant Light Meter costs $2.99 up front. Offline PDF Editor sells 4 in-app purchases, starting at $1.99 per 7 days. Plant Light Meter asks for nothing beyond the download.
Offline PDF Editor holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Plant Light Meter has 1.1K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 39% of Plant Light Meter's written reviews are positive against 100% of Offline PDF Editor's.
Plant Light Meter ships an update fortnightly, Offline PDF Editor monthly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | Plant Light Meter | Offline PDF Editor |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.6 (1.1K ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 38.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.1K — better | 10 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 217 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Studio Nano Ship, Inc. | CHIRANJEEVI PANDEY |
Customer experience
Plant Light Meter
Offline PDF Editor
Bugs and requests
Plant Light Meter
Reported bugs
4 issues- Fails to access camera
- Inconsistent light readings
- Completely inaccurate measurements
- Stopped working after update
Requested features
5 requests- Add more plant varieties
- Allow use of front-facing camera
- Provide numerical light readings
- Add watering information
- Improve compatibility with latest devices
Offline PDF Editor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Plant Light Meter
No in-app purchases
Offline PDF Editor
- ProperPDF Pro — Weekly3 Days trial$1.997 Days
- ProperPDF Pro — Monthly7 Days trial$3.991 Month
- ProperPDF Pro — Annual7 Days trial$19.991 Year
- ProperPDF Pro - Lifetime Access$29.99
Questions
Is Plant Light Meter free?
Is Offline PDF Editor free?
Which has better reviews, Plant Light Meter or Offline PDF Editor?
Do Plant Light Meter or Offline PDF Editor have ads?
Which is updated more often, Plant Light Meter or Offline PDF Editor?
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