Comparison

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.

Head to head
About

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.

Highlights
  • Measure natural and artificial light
  • Interpret light levels for plant health
  • Compatible with rear camera
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Plant Light Meter4 screens
Offline PDF Editor4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Plant Light Meter versus Offline PDF Editor: the parameters behind the verdict, then further details
ParameterPlant Light MeterOffline PDF Editor
Price$2.99Free — better
Rating4.6 (1.1K ratings)5.0 (10 ratings) — better
Positive reviews38.7% of reviews100.0% of reviews — better
Number of ratings1.1K — better10
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size217 MB40 MB
Age rating4+4+
DeveloperStudio Nano Ship, Inc.CHIRANJEEVI PANDEY

Customer experience

Plant Light Meter

All ratings1,077 ratings
Positive90.4%
Neutral2.5%
Negative7.1%
Written reviews119 reviews
Positive38.7%
Neutral11.8%
Negative49.6%

Offline PDF Editor

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

None

Plant Light Meter

No in-app purchases

4 purchases

Offline PDF Editor

Subscriptions3
  • ProperPDF Pro — Weekly3 Days trial$1.997 Days
  • ProperPDF Pro — Monthly7 Days trial$3.991 Month
  • ProperPDF Pro — Annual7 Days trial$19.991 Year
One-time1
  • ProperPDF Pro - Lifetime Access$29.99

Questions

Is Plant Light Meter free?
Plant Light Meter costs $2.99, with no in-app purchases.
Is Offline PDF Editor free?
Offline PDF Editor is free to download, with in-app purchases available.
Which has better reviews, Plant Light Meter or Offline PDF Editor?
Offline PDF Editor is rated higher. Plant Light Meter averages 4.6 out of 5 from 1.1K ratings, while Offline PDF Editor averages 5.0 from 10 ratings.
Do Plant Light Meter or Offline PDF Editor have ads?
Neither Plant Light Meter nor Offline PDF Editor shows ads.
Which is updated more often, Plant Light Meter or Offline PDF Editor?
Plant Light Meter ships an update fortnightly, and Offline PDF Editor monthly. Most recently, Plant Light Meter was updated on November 1, 2026 and Offline PDF Editor on October 25, 2026.

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