CypherGuard PDF vs ESFMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CypherGuard PDF
View and access protected PDF documents using advanced cryptographic technology. This application allows you to open regular PDFs and securely view encrypted files after authentication.
- View protected PDF documents
- Open encrypted PDF files
- Authentication for secure access
- Supports regular PDF documents
- Content protection features
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This is a viewer for CypherGuard PDF (https://www.cyphertec.co.jp/services/cypherguard/products/#CypherGuard_PDF), which protects PDF documents using cryptographic technology. In addition to regular PDF documents, you can also view encrypted PDF documents after authentication. * CypherGuard PDF content files (.cpd files) that the distributor does not permit viewing on iOS cannot be viewed. * To protect the content, this app does not support file printing.
ESFMS
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Dedicated field service app makes managing on-site jobs faster and more efficient than ever. - Real-time access to job details and service history - Assign, track, and manage jobs - Capture customer signature, photos, and service notes - Eliminate paperwork and reduce response times
Screenshots
Verdict
The clearest difference is update cadence: ESFMS at every 2 months against CypherGuard PDF's every 5 months. ESFMS also leads on iOS requirement (10.0 vs 14.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CypherGuard PDF ships an update every 5 months, ESFMS every 2 months. The most recent releases landed on June 7, 2026 and September 13, 2026 respectively.
| Parameter | CypherGuard PDF | ESFMS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | CypherTec Inc. | Han Wei Loi |
In-app purchases
CypherGuard PDF
No in-app purchases
ESFMS
No in-app purchases
