Subnet Gauge vs JEMPass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subnet Gauge
This application assists with subnet design by generating lists of networks and subnets. It displays key information such as the number of networks and host addresses, and identifies special subnet characteristics with icons.
- Subnet design assistance
- List of networks/subnets
- Number of networks displayed
- Host addresses per subnet
- Indicates subnet characteristics
- Quick IP and mask entry
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This app helps subnet design and makes list of networks/subnets. You can look for good subnet mask easily because this app shows the below information. - Number of networks - Number of host addresses for each The list of networks is made when IP address and masks are entered. Characteristic (Subnet Zero, All-Ones Subnet, Super net) of networks is indicated with icons on list of networks. Sliders for masks and keypad for IP address helps quick entry.
JEMPass
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JEMPass is a modern and innovative Password Manager that makes password headaches a thing of the past. It is the world’s first and only passwordless Password Manager. Unlike traditional Password Managers, which rely on a Master Password to secure your data and account, JEMPass uses JEM AirKeys to keep your data private and secure. There’s no Master Password in the JEMPass system. With JEMPass, there’s nothing to remember (or forget)! JEM AirKey HD (hardware device - buy one here) is required to create a JEMPass account. FEATURES AND BENEFITS Save all your passwords and login credentials in the JEMPass Keychain Access JEMPass Keychain from any device — and sign in to apps and websites with ease Use JEM AirKey to verify your identity when required — no need to remember or type in a Master Password — ever Up-to-date end-to-end encryption to ensure your data stays private an secure — your JEM AirKey is always required to unlock your data JEM AirKeys JEMPass works with two kinds of JEM AirKeys. JEM AirKey HD (hardware device, “JEM”, “JEM HD”, “JEM Device”) is a patented personal identity verifier and security key with an integrated biometric (fingerprint) sensor. You must have a JEM AirKey (hardware device) to sign up for JEMPass. JEM AirKey SD (“softJEM”, “JEM SD”) is a software component of the JEMPass app that can be installed on Apple devices (iPhones, iPads and Macs) with TouchID or FaceID.
Screenshots
Verdict
The clearest difference is in-app purchases: JEMPass at none against Subnet Gauge's 1. JEMPass also leads on ads (none vs shown) and update cadence (monthly vs every 8 months). On price 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 Gauge sells 1 one-off in-app purchase. JEMPass asks for nothing beyond the download.
Subnet Gauge ships an update every 8 months, JEMPass monthly. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | Subnet Gauge | JEMPass |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 8 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Takahiro Furuya | The Praxis Group LLC |
In-app purchases
Subnet Gauge
- Remove ads$0.99
JEMPass
No in-app purchases









