Subnet 64 vs DM50
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subnet 64
This app simplifies IP networking for professionals and students. It calculates IPv4 and IPv6 subnets, converts between binary and decimal, and helps optimize network configurations. Ideal for troubleshooting, studying, or managing IP addresses.
- IPv4 & IPv6 subnet calculation
- Binary to decimal conversion
- Subnet mask, CIDR, and address range calculation
- Cisco certification preparation
- User-friendly interface
- IP address management
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Master IP networking with the ultimate IPv4 & IPv6 Subnet Calculator! Designed for network administrators, Cisco professionals, and networking students, this powerful app simplifies subnetting and IP address management. Effortlessly calculate subnets, convert between binary and decimal, and optimize your network configurations on the go. Key Features: - IPv4 & IPv6 Support: Seamlessly calculate subnets for both protocols. - Subnetting Made Easy: Break down complex networks with precise subnet masks, CIDR, and address ranges. - Binary Conversion: Instantly convert IP addresses to binary for deeper understanding. - Cisco-Compatible: Perfect for CCNA, CCNP, and other networking certifications. - User-Friendly Interface: Intuitive design for quick calculations, ideal for pros and beginners alike. - Learning Tool: Master subnetting concepts, great for students. Whether you're troubleshooting a network, studying for a Cisco exam, or exploring IP addressing, this calculator is your go-to tool for fast, accurate results. Download now and take control of your networking tasks!
DM50
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DM50 is a faithful tribute to the golden era of scientific calculators, bringing the legendary HP-style experience to your iPhone with modern enhancements. Whether you're an engineer, student, scientist, or calculator enthusiast, DM50 delivers the power and precision you need, with the tactile familiarity of classic RPN entry and a crisp, authentic 132×64 monochrome LCD display. REVERSE POLISH NOTATION (RPN) A true HP-style RPN engine with a dynamic multi-level stack, stack lift, SWAP, ROLL and DROP. Once you learn the flow, complex calculations become faster and more intuitive. ALGEBRAIC MODE (CAS) Type expressions the way you write them: full operator precedence, parentheses and implicit multiplication (2π, 3(4+5)). Includes numerical derivatives ∂(f,a), definite integrals ∫(f,a,b), and nine memory variables (x, y, z, A–F) for chained calculations. EQUATIONS AND INEQUALITIES Solve linear and quadratic equations — complex roots included — and linear inequalities. MATRIX ALGEBRA Matrices up to 5×5 in a dedicated editor: addition, subtraction, multiplication, transpose, trace, determinant and inverse. MORE MATH MODES • 3D vector calculations • Complex number arithmetic • Base conversion: decimal, binary, octal and hexadecimal • Formula library with pixel-art diagrams, inspired by the classics • Constants library with common physical and mathematical constants SCIENTIFIC FUNCTIONS • Trigonometry with RAD / DEG / GRAD angle modes • Logarithms, exponentials, powers and roots • Hyperbolic functions, factorials and more AUTHENTIC EXPERIENCE • Pixel-perfect monochrome LCD rendering (132×64) • Classic keyboard layout with BLUE / ORANGE • Real-time status bar: clock, angle mode, modifiers and battery • Retro sound effects BUILT FOR POWER USERS DM50 is designed for depth. The layered modifier system exposes dozens of functions without cluttering the interface — just like the classic calculators it draws in A LITTLE FUN TOO A built-in dice game to take a break between calculations. Track your high score.
Screenshots
Verdict
The clearest difference is price: DM50 at $0.99 against Subnet 64's $6.99. DM50 also leads on update cadence (monthly vs every 2 months) and iOS requirement (15.6 vs 18.0). On 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
Subnet 64 costs $6.99 and DM50 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Subnet 64 ships an update every 2 months, DM50 monthly. The most recent releases landed on September 24, 2026 and September 28, 2026 respectively.
| Parameter | Subnet 64 | DM50 |
|---|---|---|
| Price | $6.99 | $0.99 — better |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 0 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | SpaceNation Inc. CA | Javier Bascones |
In-app purchases
Subnet 64
No in-app purchases
DM50
No in-app purchases









