# Subnet Mask Wheel vs CotoGoto(コトゴト)

The clearest difference is in-app purchases: CotoGoto(コトゴト) at none against Subnet Mask Wheel's 1. CotoGoto(コトゴト) also leads on ads (none vs shown) and iOS requirement (11.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Subnet Mask Wheel sells 1 one-off in-app purchase. CotoGoto(コトゴト) asks for nothing beyond the download.

Subnet Mask Wheel ships an update every 5 months, CotoGoto(コトゴト) every 3 months. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Subnet Mask Wheel | CotoGoto(コトゴト) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subnet-mask-wheel/id560947458/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 63 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Furuya](https://appshunter.io/developer/503779747) | [LivLog llc.](https://appshunter.io/developer/531102258) |

## What reviewers say

### Subnet Mask Wheel

[App page](https://appshunter.io/ios/app/subnet-mask-wheel/id560947458)

Easily convert subnet masks between decimal, binary, and CIDR notation. Quickly see the number of available host addresses for any given mask. Input masks using a picker, slider, or prefix length buttons.

**Highlights:** Decimal subnet mask display, Binary subnet mask display, CIDR notation display, Host address count, Input via picker, slider, or buttons

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### CotoGoto(コトゴト)

[App page](https://appshunter.io/ios/app/cotogoto/id987047565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Mask Wheel free?

Subnet Mask Wheel is free to download, with in-app purchases available.

### Is CotoGoto(コトゴト) free?

CotoGoto(コトゴト) is free to download, with no in-app purchases.

### Do Subnet Mask Wheel or CotoGoto(コトゴト) have ads?

Subnet Mask Wheel shows ads; CotoGoto(コトゴト) does not.

### Which is updated more often, Subnet Mask Wheel or CotoGoto(コトゴト)?

Subnet Mask Wheel ships an update every 5 months, and CotoGoto(コトゴト) every 3 months. Most recently, Subnet Mask Wheel was updated on October 31, 2026 and CotoGoto(コトゴト) on October 29, 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.*