# Subnet Calculator + vs TwoBaseTen

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.

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 October 5, 2026 respectively.

## The numbers

| Metric | Subnet Calculator + | TwoBaseTen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (7 ratings)](https://appshunter.io/ios/app/subnet-calculator-plus/id445990645/reviews) | **[4.4 (37 ratings)](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258/reviews)** |
| Number of ratings | 7 | **37** |
| Positive reviews | 72.7% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 1 MB | 7 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steven Eppler](https://appshunter.io/developer/312274388) | [Giddyonics, LLC](https://appshunter.io/developer/1161282058) |

## What reviewers say

### Subnet Calculator +

[App page](https://appshunter.io/ios/app/subnet-calculator-plus/id445990645)

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.

**Highlights:** 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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |


### TwoBaseTen

[App page](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258)

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.

**Highlights:** Decimal to binary conversion, Binary to decimal conversion, Paste numbers to input, Copy output numbers, Switch modes with arrow tap

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Calculator + free?

Subnet Calculator + is free to download, with in-app purchases available.

### Is TwoBaseTen free?

TwoBaseTen is free to download, with no in-app purchases.

### Which has better reviews, Subnet Calculator + or TwoBaseTen?

TwoBaseTen is rated higher. Subnet Calculator + averages 4.0 out of 5 from 7 ratings, while TwoBaseTen averages 4.4 from 37 ratings.

### Do Subnet Calculator + or TwoBaseTen have ads?

Neither Subnet Calculator + nor TwoBaseTen shows ads.

### Which is updated more often, Subnet Calculator + or TwoBaseTen?

Subnet Calculator + ships an update every 64 months, and TwoBaseTen every 6 months. Most recently, Subnet Calculator + was updated on September 27, 2026 and TwoBaseTen on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*