Theia OLED Viewer vs NetTracer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Theia OLED Viewer
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Theia transforms your device into a stylish, real-time status display. Designed with a blend of modern UI polish and classic LCD aesthetics, Theia gives you a clear, customizable window into your system’s current state. Choose from multiple display modes, enable glow or scanline effects, and apply dynamic themes ranging from minimalist to vibrant. Parallax motion, smooth animations, and refined typography create a unique visual experience that feels both retro and modern. Whether you prefer a clean textual readout or a bold pixel-grid style, Theia adapts to your taste with simple, intuitive controls. Features include: • Live status updates with smooth rendering • Customizable themes with unique background effects • Multiple display modes, including clean, dot-matrix, pixel-grid, and more • Optional glow and scanline effects • Parallax motion for depth and dimensionality • Optimized layouts for iPhone and iPad • Lightweight, responsive design Theia brings a distinctive, elegant way to visualize real-time information — wherever you need it. Requires a Theia module to display LCD data.
NetTracer
Visualize your internet traffic's journey hop-by-hop. This app performs real network path tests using ICMP or UDP, displaying router details like address, country, and latency buildup on a route map. It offers detailed connectivity checks, DNS resolution, and NAT detection for various network conditions.
- Real IPv4 & IPv6 connectivity tests
- Route map with hop details
- Latency and packet loss measurement
- DNS resolver check
- NAT64/464XLAT detection
- Favorites and history
- Share results as text
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See the path your traffic takes across the internet, hop by hop. NetTracer runs a real traceroute from your iPhone or iPad over ICMP or UDP, in IPv4 or IPv6. Each router along the way appears on a route map with its address, name, country, network (ASN) and operator, and a colour that tells you at a glance where latency builds up. CHECK YOUR NETWORK FIRST • Real IPv4 and IPv6 connectivity tests, not just what the system reports • DNS resolver check and NAT64 / 464XLAT detection, useful on IPv6-only mobile networks • Wi-Fi or cellular, with LTE / 5G and Low Data Mode shown • While you type, see the A and AAAA records of the host and which IP version the trace will use, with a warning if it cannot work FOLLOW EVERY HOP • Fast first pass, then continuous measurement: minimum, average and maximum latency, packet loss and a latency chart for each hop • Pause and resume measurement at any time • Clear status when the destination is not reached: silent hops, filtering router or hop limit, with a hint on what to try next • Reverse DNS, country, ASN and ISP for public addresses; private and carrier-grade NAT addresses are recognised MADE FOR DAILY USE • Favorites and history • Share the result as text • Adjustable hop limit, reply timeout and early stop on silent hops • Light and dark themes, Dynamic Type, 17 languages PRIVACY No account, no tracking, no ads. Probes go straight from your device to the hosts you trace. To show location and network details, the public addresses of the hops are looked up with ip-api.com.
Screenshots
Verdict
The clearest difference is update cadence: Theia OLED Viewer at every 3 days against NetTracer's every 4 months. 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.
Theia OLED Viewer ships an update every 3 days, NetTracer every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Theia OLED Viewer | NetTracer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Foley | Alois Oddon |
In-app purchases
Theia OLED Viewer
No in-app purchases
NetTracer
No in-app purchases
Questions
Is Theia OLED Viewer free?
Is NetTracer free?
Do Theia OLED Viewer or NetTracer have ads?
Which is updated more often, Theia OLED Viewer or NetTracer?
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