TLS Inspector vs UDP/TCP/REST Network Utility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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).
UDP/TCP/REST Network Utility
This app provides comprehensive network testing tools, including UDP and TCP client/server functionality, REST API requests, and network scanning. It allows users to send and receive data in various formats and analyze network performance.
- UDP send/receive
- TCP client/server
- REST API requests (GET, POST, PUT, DELETE)
- Network scanner with port testing
- IP address and interface information
- Data formatting (string, hex, JSON)
Read full descriptionHide full description
The only network utility application you will ever need: 1) UDP Send and/or receive datagrams in both string and hexadecimal format. You can send the datagrams to another instance of the application, a server that is set up to receive datagrams or to the same instance of the application. If you are receiving datagrams, you can specify any valid port to bind to. 2) TCP TCP Mode supports two (2) submodes: 1) TCP Client and TCP Server. TCP Client allows you to to connect to a TCP Server via specifying the remote host and port the server is operating on. Once connected, messages can be sent to the server; any responses will be displayed in the output view. 2) TCP Server allows you to create an instance of a tcp server operating on a port that is user configurable. Once one or more clients connect, messages can be sent to the set of connected clients. All responses from the client will be displayed in the output view. Messages and responses can be a utf8 string or raw data in hexadecimal (go to settings to configure format). 3) REST REST mode supports four (4) request method/verbs: GET, POST, PUT,DELETE. In 'GET' mode, given a url, will display the output in output view. In 'POST' and 'PUT' mode, given a url and a body (e.g. parameters), the output will be displayed in the output view. In all cases, the output can be formatted in RAW or JSON. JSON builder feature to easily build the request body is available if POST/PUT is selected. 4) Network Scanner Scan a single or a range of IP Addresses. Optionally, test if a port is open. Response of scan includes number of packets sent, received, lost, response time and status of port. By going to Settings/Info, you can specify the timeout period for ping and port scans. • Current private and public IP Address available in Settings/Info tab. • Network interfaces available in Settings/Info tab. Privacy Policy: http://www.jcaccountingcpa.com/NetworkAppPrivacy.php Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: TLS Inspector at 83% against UDP/TCP/REST Network Utility's 43%. TLS Inspector also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. UDP/TCP/REST Network Utility sells 1 in-app purchase, starting at $0.99 per month. TLS Inspector asks for nothing beyond the download.
TLS Inspector holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: TLS Inspector has 256 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 83% of TLS Inspector's written reviews are positive against 43% of UDP/TCP/REST Network Utility's.
TLS Inspector ships an update monthly, UDP/TCP/REST Network Utility every 37 months. The most recent releases landed on August 5, 2026 and September 11, 2026 respectively.
| Parameter | TLS Inspector | UDP/TCP/REST Network Utility |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (256 ratings) — better | 4.4 (38 ratings) |
| Positive reviews | 83.0% of reviews — better | 42.9% of reviews |
| Number of ratings | 256 — better | 38 |
| Update frequency | Monthly — better | Every 37 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Ian Spence | JC Accounting & Innovative Technologies, Inc |
Customer experience
TLS Inspector
UDP/TCP/REST Network Utility
Bugs and 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
UDP/TCP/REST Network Utility
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TLS Inspector
No in-app purchases
UDP/TCP/REST Network Utility
- Full access and no ads.$0.991 Month
Questions
Is TLS Inspector free?
Is UDP/TCP/REST Network Utility free?
Which has better reviews, TLS Inspector or UDP/TCP/REST Network Utility?
Do TLS Inspector or UDP/TCP/REST Network Utility have ads?
Which is updated more often, TLS Inspector or UDP/TCP/REST Network Utility?
Other comparisons















