Subnet Calculator + vs TwoBaseTen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subnet Calculator +
This utility app simplifies network calculations for professionals and students. It offers tools for IPv4 and IPv6 subnetting, including live CIDR sliders and subnet splitting. Results can be easily shared or copied.
- IPv4 subnet calculator with CIDR slider
- Subnet Splitter for VLSM
- IPv6 calculator with prefix slider
- Auto-detect device IP from Wi-Fi
- Navigate adjacent subnets
- Share or copy results
- Native Mac support
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SubnetCalc is a fast, intuitive subnet calculator for networking professionals and students. Features: - IPv4 subnet calculator with live CIDR slider (1-30) - Subnet Splitter for equal-split and VLSM subdivision - IPv6 calculator with prefix slider (1-128) - Auto-detect your device's IP and subnet from Wi-Fi - Navigate between adjacent subnets - Share or copy results instantly - Native Mac support via Mac Catalyst Enter any IP address, adjust the CIDR prefix with the slider, and instantly see: - Subnet mask - Network address - Broadcast address - Usable host range - Maximum hosts - Wildcard mask The Subnet Splitter lets you divide a network into equal subnets or use VLSM to allocate subnets by host count. Perfect for network planning and design. No ads. No tracking. No subscription.
TwoBaseTen
Easily convert between decimal and binary number systems with a simple interface. Supports pasting input and copying output for quick operations. Ideal for quick calculations without complex features.
- Decimal to binary conversion
- Binary to decimal conversion
- Paste numbers to input
- Copy output numbers
- Switch modes with arrow tap
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TwoBaseTen quickly converts decimal and binary numbers using the simplest interface possible for easy operation. Functions include: - Decimal to binary number conversion - Binary to decimal number conversion - Paste numbers to input - Copy the output numbers - Tap the arrow to switch modes Please note: TwoBaseTen does not convert negative numbers, Two's Complement, or other variations. Extremely large numbers may cause output errors.
Screenshots
Verdict
The clearest difference is in-app purchases: TwoBaseTen at none against Subnet Calculator +'s 4. TwoBaseTen also leads on update cadence (every 6 months vs every 64 months) and rating (4.4 vs 4.0). On price, ads, monetization model 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. Subnet Calculator + sells 4 one-off in-app purchases. TwoBaseTen asks for nothing beyond the download.
TwoBaseTen holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: TwoBaseTen has 37 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 73% of Subnet Calculator +'s written reviews are positive against 86% of TwoBaseTen's.
Subnet Calculator + ships an update every 64 months, TwoBaseTen every 6 months. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.
| Parameter | Subnet Calculator + | TwoBaseTen |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (7 ratings) | 4.4 (37 ratings) — better |
| Positive reviews | 72.7% of reviews | 85.7% of reviews — better |
| Number of ratings | 7 | 37 — better |
| Update frequency | Every 64 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Eppler | Giddyonics, LLC |
Customer experience
Subnet Calculator +
TwoBaseTen
In-app purchases
Subnet Calculator +
- Small Tip$0.99
- Medium Tip$1.99
- Large Tip$4.99
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- Huge Tip$9.99
TwoBaseTen
No in-app purchases
Questions
Is Subnet Calculator + free?
Is TwoBaseTen free?
Which has better reviews, Subnet Calculator + or TwoBaseTen?
Do Subnet Calculator + or TwoBaseTen have ads?
Which is updated more often, Subnet Calculator + or TwoBaseTen?
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