# Subnet Mask Wheel vs JEMPass

The clearest difference is in-app purchases: JEMPass at none against Subnet Mask Wheel's 1. JEMPass also leads on ads (none vs shown) and update cadence (monthly vs every 5 months). On price there is nothing between them.

Both are free to download. Subnet Mask Wheel sells 1 one-off in-app purchase. JEMPass asks for nothing beyond the download.

Subnet Mask Wheel ships an update every 5 months, JEMPass monthly. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Subnet Mask Wheel | JEMPass |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 18 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Furuya](https://appshunter.io/developer/503779747) | [The Praxis Group LLC](https://appshunter.io/developer/1451034134) |

## 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 |


### JEMPass

[App page](https://appshunter.io/ios/app/jempass/id1543513118)

**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 JEMPass free?

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

### Do Subnet Mask Wheel or JEMPass have ads?

Subnet Mask Wheel shows ads; JEMPass does not.

### Which is updated more often, Subnet Mask Wheel or JEMPass?

Subnet Mask Wheel ships an update every 5 months, and JEMPass monthly. Most recently, Subnet Mask Wheel was updated on October 20, 2026 and JEMPass on October 18, 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.*