SubnetCalc Pro Downloads & RevenueSubnetCalc Pro · App Store
Not in any tracked top chart right now.
Updated 2 Nov 2026 · rankings refresh through the day
DeveloperJulian Christopher Siebert
CategoryUtilities
Price0.99 EUR
Released
Rating★ 0.0 (0)
Version1.3.1
Age rating4+
First seen by us
19 Oct 2026
19 Oct 2026🆕Its developer released another app: Duo Fold Counter📦Updated to version 1.3.1📦First update in 181 days📈Dropped out of every chart we track🆕First spotted by AppInsider
Full timeline · 9 events
- 🆕SubnetCalc Pro: its developer released another app: Duo Fold Counter
- ✏️SubnetCalc Pro: app got bigger1 MB → 2 MB (+41%)
- 📦SubnetCalc Pro updated to version 1.3.1Hello, iPhone Duo!
• SubnetCalc Pro now adapts to both displays of iPhone Duo, folded and unfolded.
• Sharing PDF and CSV exports now opens reliably on any screen size. - 📦SubnetCalc Pro: first update in 181 days
- 📈SubnetCalc Pro dropped out of every chart we trackLast seen 19 Oct
- 🆕SubnetCalc Pro first spotted by AppInsider#89 in Top Paid · Utilities · France
- 🆕SubnetCalc Pro: its developer released another app: Keepwise – Garantie & Belege
- 📦SubnetCalc Pro version 1.3New in 1.3 — full IPv6 support, a Home Screen widget, Siri Shortcuts, a Bonjour browser, and a Share Extension that turns any IP you find on the web into an instant subnet breakdown.
NEW
• IPv6 calculator — parse any form (::, embedded IPv4, zone IDs), see compressed & expanded notation, scope (link-local, ULA, multicast, global), and derive SLAAC/EUI-64 from a MAC.
• MAC OUI vendor lookup — offline database of ~250 common vendors (Apple, Cisco, AVM, Ubiquiti, Raspberry Pi…) with U/L and multicast flags.
• Reverse DNS (PTR) — resolve hostnames from IPv4 or IPv6 addresses.
• Bonjour / mDNS browser — discover printers, AirPlay, SSH, HomeKit and more on your local network.
• Siri Shortcuts — calculate subnets, look up IPs, or find MAC vendors with your voice.
• Home Screen widget — your current local and public IP at a glance.
• Share Extension — select any IP in Safari or Mail for an instant subnet breakdown.
FIXED
• Correct host counts for /31 (RFC 3021 point-to-point) and /32 single-host routes.
• VLSM handles exact-fit allocations without overflow and aligns to the network boundary.
• Hardened bit-shift math for /0 and /32 edge cases.… more - 🆕SubnetCalc Pro released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
0.0 ★
0 ratings
Measured
SubnetCalc Pro on the App Store
App details
App ID
6754798969
Publisher
Julian Christopher Siebert
On the store since
Nov 2025
Under a year
Minimum OS
iOS 18.6+
iPhone XS and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN DE
Size
2 MB
Also listed in
Developer Tools
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About SubnetCalc Pro
• SUBNET CALCULATOR (IPv4 & IPv6)
Calculate network addresses, broadcast, host ranges and more. Smart IP input field with automatic octet separation, number keyboard, and auto-jump. Binary view with color highlighting (network bits blue, host bits green).
• IP OWNER LOOKUP
Discover who owns an IP address. Shows organization, ISP, ASN, location on map (MapKit) and more. Auto-search after 1 second. Multi-API with fallback (IP-API.com, ipapi.co, ipinfo.io). 24h offline cache.
• VLSM CALCULATOR
Plan complex subnet structures. Automatic calculation of optimal CIDR values. IP shortage warning. Export as PDF or CSV. History of last 10 plans.
• SUBNET REFERENCE
Complete table of all subnet masks (/0 to /32). Search/filter function. Favorite stars for frequently used masks.
• NETWORK TOOLS
- HTTP Ping: Test connectivity with real response times
- Port Scanner: Scan common ports (SSH, HTTP, HTTPS, RDP, MySQL)
- DNS Lookup: Domain resolution via Google DNS
- IP Batch Scanner: Scan IP ranges, CSV export
Calculate network addresses, broadcast, host ranges and more. Smart IP input field with automatic octet separation, number keyboard, and auto-jump. Binary view with color highlighting (network bits blue, host bits green).
• IP OWNER LOOKUP
Discover who owns an IP address. Shows organization, ISP, ASN, location on map (MapKit) and more. Auto-search after 1 second. Multi-API with fallback (IP-API.com, ipapi.co, ipinfo.io). 24h offline cache.
• VLSM CALCULATOR
Plan complex subnet structures. Automatic calculation of optimal CIDR values. IP shortage warning. Export as PDF or CSV. History of last 10 plans.
• SUBNET REFERENCE
Complete table of all subnet masks (/0 to /32). Search/filter function. Favorite stars for frequently used masks.
• NETWORK TOOLS
- HTTP Ping: Test connectivity with real response times
- Port Scanner: Scan common ports (SSH, HTTP, HTTPS, RDP, MySQL)
- DNS Lookup: Domain resolution via Google DNS
- IP Batch Scanner: Scan IP ranges, CSV export
Latest updates
1.3.1
Hello, iPhone Duo!
• SubnetCalc Pro now adapts to both displays of iPhone Duo, folded and unfolded.
• Sharing PDF and CSV exports now opens reliably on any screen size.
1.3
New in 1.3 — full IPv6 support, a Home Screen widget, Siri Shortcuts, a Bonjour browser, and a Share Extension that turns any IP you find on the web into an instant subnet breakdown.
NEW
• IPv6 calculator — parse any form (::, embedded IPv4, zone IDs), see compressed & expanded notation, scope (link-local, ULA, multicast, global), and derive SLAAC/EUI-64 from a MAC.
• MAC OUI vendor lookup — offline database of ~250 common vendors (Apple, Cisco, AVM, Ubiquiti, Raspberry Pi…) with U/L and multicast flags.
• Reverse DNS (PTR) — resolve hostnames from IPv4 or IPv6 addresses.
• Bonjour / mDNS browser — discover printers, AirPlay, SSH, HomeKit and more on your local network.
• Siri Shortcuts — calculate subnets, look up IPs, or find MAC vendors with your voice.
• Home Screen widget — your current local and public IP at a glance.
• Share Extension — select any IP in Safari or Mail for an instant subnet breakdown.
FIXED
• Correct host counts for /31 (RFC 3021 point-to-point) and /32 single-host routes.
• VLSM handles exact-fit allocations without overflow and aligns to the network boundary.
• Hardened bit-shift math for /0 and /32 edge cases.
Store changes
What SubnetCalc Pro changed on its store page: name, icon, screenshots, price, size, languages, requirements.
App got bigger
1 MB → 2 MB (+41%)
