# Mobile Signer vs TLS Inspector

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.

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.

## The numbers

| Metric | Mobile Signer | TLS Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mobile-signer/id573555121/reviews) | **[4.8 (256 ratings)](https://appshunter.io/ios/app/tls-inspector/id1100539810/reviews)** |
| Number of ratings | 1 | **256** |
| Positive reviews | 50.0% of reviews | **83.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 19 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Factum Identity Solutions SL](https://appshunter.io/developer/1628978172) | [Ian Spence](https://appshunter.io/developer/572311760) |

## What reviewers say

### Mobile Signer

[App page](https://appshunter.io/ios/app/mobile-signer/id573555121)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### TLS Inspector

[App page](https://appshunter.io/ios/app/tls-inspector/id1100539810)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Essential security utility
- 🔧 Useful for cert renewals
- 📱 Inspects certs on mobile
- 💡 Innovative CA root updating
- 👍 Seamless share sheet integration

**What reviewers complain about**

- 🐛 Share extension not working
- ⚠️ Error messages for updates
- 📉 No longer works for some
- 🥶 App freezes
- 🚫 Unauthorized app claim

**Reported bugs**

- 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**

- Continue making app great and helpful
- Add dark mode option
- More advanced features


## Frequently asked questions

### Is Mobile Signer free?

Mobile Signer is free to download, with no in-app purchases.

### Is TLS Inspector free?

TLS Inspector is free to download, with no in-app purchases.

### Which has better reviews, Mobile Signer or TLS Inspector?

TLS Inspector is rated higher. Mobile Signer averages 1.0 out of 5 from 1 ratings, while TLS Inspector averages 4.8 from 256 ratings.

### Do Mobile Signer or TLS Inspector have ads?

Neither Mobile Signer nor TLS Inspector shows ads.

### Which is updated more often, Mobile Signer or TLS Inspector?

Mobile Signer ships an update every 3 months, and TLS Inspector every 6 weeks. Most recently, Mobile Signer was updated on October 23, 2026 and TLS Inspector on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*