Mobile Signer vs TLS Inspector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mobile Signer
This app enables electronic digital signatures for various document formats on mobile devices. It integrates with business applications and supports advanced signature types, including time stamping and certificate validation.
- Electronic digital signature integration
- Supports PDF, XML, Office, and Open Office formats
- Generates advanced signature formats (PKCS#7/CMS, CAdES, XMLDSig, XAdES, PDF Signature, PAdES)
- Time stamping of signatures
- Certificate validation authority
- Mobility signatures from smartphones and tablets
- Client and server signing options
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Mobile Signer is based on the SealSign Engine solution, from 11Paths, a Telefonica Company. SealSign Engine is an enterprise server that integrates electronic digital signature of documents in business applications and mobility devices. It is a complete, flexible and versatile signature engine: • Web service-based architecture. • Signature of any electronic document format: PDF, XML, Office, Open Office, CMS... • Generation of simple and advanced signature formats: PKCS#7/CMS and CAdES, XMLDSig and XAdES, PDF Signature and PAdES. • Allows time stamping signatures. • Incorporates a complete certificate validation authority. • Allows mobility signatures from smartphone and tablets. • Has several connectors for integrating business applications and document management. • Allows client and server signing. SealSign Engine is part of the complete electronic and biometric which fits with its different modules to the specific needs of each business environment. More information in our web page: https://www.elevenpaths.com/es/tecnologia/sealsign/index.html Terms of service: https://www.elevenpaths.com/pdfs_eulas/SealSign_EULA-2015_Evaluation.pdf
TLS Inspector
Inspect TLS certificates for any domain or IP address to understand trust and safety. Detect man-in-the-middle attacks by highlighting invalid certificates. Access detailed certificate properties and integrate with your browser.
- Input domain or IP for inspection
- Inspect websites via browser extension
- View entire issue chain and trust status
- Detailed TLS certificate properties
- Detect man-in-the-middle attacks
- Share sheet integration with Safari
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Trust & Safety in the palm of your hand. • Input & Inspect. It's really that simple. Input a domain or IP address using the TLS Inspector app, or inspect any website from within your favourite browser using our Inspect Website extension. • No Nonsense Results. "At a glance" has never been easier. TLS Inspector will show you the entire issue chain for any website, and whether or not your device trusts that chain. • Dive Deep. Details for days. View important properties of any TLS certificate including fingerprints, dates, algorithms, and more. • Stay Safe Online. No training required. TLS Inspector makes it easy to detect and avoid man-in-the-middle attacks on unsafe networks by highlighting invalid and untrustworthy certificates. • Right Place, Right Time. Inspect nearly anything from anywhere. Easily access TLS Inspector from other apps, such as Safari, with the Show Certificates share sheet action. TLS Inspector is free & libre open source software (FLOSS) with source code available on GitHub. TLS Inspector is made entirely without the use of Artificial Intelligence (AI) or Large Language Models (LLMs).
Screenshots
Verdict
The clearest difference is rating: TLS Inspector at 4.8 against Mobile Signer's 1.0. TLS Inspector also leads on review sentiment (84% vs 50%) and ratings volume (256 vs 1). Mobile Signer's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
TLS Inspector holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: TLS Inspector has 256 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Mobile Signer's written reviews are positive against 84% of TLS Inspector's.
Mobile Signer ships an update every 3 months, TLS Inspector every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Mobile Signer | TLS Inspector |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.8 (256 ratings) — better |
| Positive reviews | 50.0% of reviews | 83.7% of reviews — better |
| Number of ratings | 1 | 256 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Factum Identity Solutions SL | Ian Spence |
Customer experience
Mobile Signer
TLS Inspector
Bugs and requests
Mobile Signer
Not enough reviews yet to summarise bugs or requests.
TLS Inspector
Reported bugs
5 issues- App crash issue fixed
- Share extension 'inspect website' never works
- Error checking for TLS bundle updates
- App freezes
- App locks up, non functional
Requested features
3 requests- Continue making app great and helpful
- Add dark mode option
- More advanced features
In-app purchases
Mobile Signer
No in-app purchases
TLS Inspector
No in-app purchases
Questions
Is Mobile Signer free?
Is TLS Inspector free?
Which has better reviews, Mobile Signer or TLS Inspector?
Do Mobile Signer or TLS Inspector have ads?
Which is updated more often, Mobile Signer or TLS Inspector?
Other comparisons
