Comparison

Speedcheck by Left Field Logic vs NetAnalyzer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Speedcheck by Left Field Logic

Measure your internet connection speed accurately and privately. Track download, upload, and latency across Wi-Fi, cellular, or Ethernet. Results sync across devices via iCloud for a complete performance history.

Highlights
  • Accurate speed tests (download, upload, ping)
  • Full test history tracking
  • iCloud sync across devices
  • Privacy-focused, no data collection
  • Universal app for iOS and macOS
  • Lightweight and fast performance
Features
Read full description

Speedcheck is the fast, simple, and privacy‑focused way to measure your internet connection. Whether you’re on Wi‑Fi, cellular, or wired Ethernet, Speedcheck gives you accurate download, upload, and latency results in seconds. Run tests anytime and build a complete history of your network performance. Your results automatically sync across all your devices using iCloud—so your iPhone, iPad, and Mac always stay up to date. Speedcheck is designed for clarity and reliability. No ads. No clutter. No data collection. Just the information you need to understand your connection. Features • Accurate Speed Tests Measure download, upload, and ping with a clean, easy-to-read interface. • Full Test History Track your network performance over time and compare past results. • iCloud Sync Your test history stays consistent across iPhone, iPad, and Mac. • Privacy First Your data stays on your devices. Nothing is collected or shared by the developer. • Universal App Optimized for iOS and macOS with native, platform‑appropriate design. • Lightweight & Fast Runs instantly and never gets in your way. Whether you’re diagnosing slow Wi‑Fi, checking your home internet provider, or testing mobile data speeds on the go, Speedcheck gives you the insight you need—quickly and privately.

About

NetAnalyzer

Features
Read full description

NetAnalyzer is a native network diagnostics app for iPhone and iPad. Diagnose slow or unstable connections, DNS issues, and local-network problems with clear summaries and technical details when you need them. NETWORK TOOLS • Network Info: View connection type, local and public IP addresses, DNS, gateway, and current Wi‑Fi connection information. • Connection Diagnostics: Check a target step by step through local connectivity, DNS, TCP, TLS, and HTTPS response. • Speed Test: Measure download, upload, idle and loaded latency, jitter, and packet loss with summary history. • Ping & Latency Monitoring: Track latency, packet loss, quality, and trends. • DNS Lookup: Query A, AAAA, CNAME, MX, TXT, NS, PTR, and SOA records using system DNS, UDP, DoT, or DoH resolvers. • TCP Port Scan: Test a single port or a common TCP port list. • Whois: Look up domain registration information. • Geo IP: Look up your current public IP or a submitted public IP address for network and approximate location details. • LAN Scan: Discover reachable IPv4 devices on your current local network, with Bonjour/mDNS service discovery. • IPv4 Subnet Calculator: Calculate CIDR, masks, broadcast addresses, and host ranges. PRO FEATURES • Traceroute: Display IPv4 routes and latency hop by hop. • Advanced TCP Port Scan: Scan custom and complete port ranges. • DNS Propagation: Compare DNS responses from 18 public resolvers queried directly from your device. • SSL/TLS Inspector: View certificate chains, system trust, SAN matching, protocol, cipher, and expiry status. • HTTPS Request Tester: Send requests and inspect headers, redirects, and response content. • Wi‑Fi Analysis: View current Wi‑Fi settings, gateway latency, and interface traffic. • Bluetooth Signal Analysis: Passively scan nearby BLE advertisements without connecting or pairing. • IP DNSBL Check: Query 20 built-in blocklists for IPv4 addresses. • No ads with Pro. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Speedcheck by Left Field Logic4 screens
NetAnalyzer4 screens

Verdict

The call

The clearest difference is in-app purchases: Speedcheck by Left Field Logic at none against NetAnalyzer's 3. NetAnalyzer's advantage is update cadence (weekly vs every 3 months) and iOS requirement (16.0 vs 18.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NetAnalyzer sells 3 in-app purchases, starting at $2.99 per month. Speedcheck by Left Field Logic asks for nothing beyond the download.

UpkeepUpdate frequency

Speedcheck by Left Field Logic ships an update every 3 months, NetAnalyzer weekly. Both last shipped on October 31, 2026.

Scorecard3 real differences · 6 level
Speedcheck by Left Field Logic versus NetAnalyzer: the parameters behind the verdict, then further details
ParameterSpeedcheck by Left Field LogicNetAnalyzer
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size7 MB9 MB
Age rating4+4+
DeveloperLeft Field Logic, LLCvamosnet

In-app purchases

None

Speedcheck by Left Field Logic

No in-app purchases

3 purchases

NetAnalyzer

Subscriptions2
  • NetAnalyzer Pro – Monthly$2.991 Month
  • NetAnalyzer Pro – Yearly$19.991 Year
One-time1
  • NetAnalyzer Pro – Lifetime$29.99

Questions

Is Speedcheck by Left Field Logic free?
Speedcheck by Left Field Logic is free to download, with no in-app purchases.
Is NetAnalyzer free?
NetAnalyzer is free to download, with in-app purchases available.
Do Speedcheck by Left Field Logic or NetAnalyzer have ads?
Neither Speedcheck by Left Field Logic nor NetAnalyzer shows ads.
Which is updated more often, Speedcheck by Left Field Logic or NetAnalyzer?
Speedcheck by Left Field Logic ships an update every 3 months, and NetAnalyzer weekly. Most recently, Speedcheck by Left Field Logic was updated on October 31, 2026 and NetAnalyzer on October 31, 2026.

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