Comparison

PDF Secure vs SpaceMonk

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

Head to head
About

PDF Secure

Secure your PDF documents by adding password protection, ensuring they cannot be opened without authorization. You can also easily remove existing password protection from your files. This app offers a straightforward process for safeguarding your sensitive information.

Highlights
  • Password protect PDF documents
  • Remove PDF password protection
  • Cross-platform compatibility
  • Export to various locations
  • Dark mode support
Read full description

Protect your PDF documents with a password. The PDF won't open without the password. It works on any platform. PDF Secure also allows you to completely remove the password protection of a document. Using PDF Secure is very simple: • Select a PDF document from your files • Choose a password (ideally strong) and do not forget it • Export anywhere (Files app, any cloud drive, E-mail, AirDrop, Messages, ...) → The password will now be requested at any attempt to open the PDF (on all platforms) PDF Secure is compatible with the dark mode. And it's 100% free (no in-app purchases, no ads). NO DATA COLLECTION. Everything happens on device. Your privacy matters. Enjoy!

About

SpaceMonk

Features
Read full description

SpaceMonk - Smart Attendance & Delivery Management SpaceMonk is a modern, high-performance solution designed to streamline workforce operations using advanced face recognition and GPS-based location verification. Key Features Advanced Face Detection • Real-time face recognition powered by Google ML Kit • High-accuracy facial verification • Secure biometric authentication • Optimized for fast processing (97–99% native performance) GPS Location Tracking • Precise location verification for attendance and deliveries • Geofencing capabilities • Accurate check-in and check-out tracking • Location-based validation Delivery Management • Cluster-based task assignment • Barcode and QR code scanning for package verification • Real-time delivery tracking with OTP confirmation Push Notifications • Real-time delivery alerts and updates • Attendance reminders • Instant notifications for new assignments High Performance • Built with React Native (v0.77.3, New Architecture) • Powered by Hermes • Optimized for 30–60 FPS face detection • Startup time under 1.5 seconds Comprehensive Attendance Management • Simple check-in and check-out • Detailed attendance history • Real-time status tracking • Timestamped and location-tagged records Security and Privacy • Secure authentication • Encrypted data storage • Privacy-focused face detection • Compliance with data protection standards Ideal Use Cases • Office attendance tracking • Delivery workforce management • Field workforce operations • Educational institutions • Time and attendance systems Technical Excellence SpaceMonk is built using the latest React Native architecture, delivering near-native performance. It integrates VisionCamera (v4.7.3) for advanced camera capabilities, barcode scanning, and Google ML Kit for reliable face detection. Get Started Download SpaceMonk today and modernize how you manage attendance and deliveries.

Screenshots

PDF Secure4 screens
SpaceMonk4 screens

Verdict

The call

The clearest difference is update cadence: SpaceMonk at every 2 weeks against PDF Secure's every 9 months. PDF Secure's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases 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

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

UpkeepUpdate frequency

PDF Secure ships an update every 9 months, SpaceMonk every 2 weeks. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Secure versus SpaceMonk: the parameters behind the verdict, then further details
ParameterPDF SecureSpaceMonk
PriceFreeFree
Rating4.9 (376 ratings) — better—
Positive reviews98.8% of reviews—
Number of ratings376 — better—
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size1 MB54 MB
Age rating4+4+
DeveloperiSolid appsPharmacy One Network Private Limited

In-app purchases

None

PDF Secure

No in-app purchases

None

SpaceMonk

No in-app purchases

Questions

Is PDF Secure free?
PDF Secure is free to download, with no in-app purchases.
Is SpaceMonk free?
SpaceMonk is free to download, with no in-app purchases.
Do PDF Secure or SpaceMonk have ads?
Neither PDF Secure nor SpaceMonk shows ads.
Which is updated more often, PDF Secure or SpaceMonk?
PDF Secure ships an update every 9 months, and SpaceMonk every 2 weeks. Most recently, PDF Secure was updated on October 19, 2026 and SpaceMonk on October 16, 2026.

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