# LIONFlash vs OT Subnet Calculator

The clearest difference is in-app purchases: LIONFlash at none against OT Subnet Calculator's 1. LIONFlash also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.2). On price and ads there is nothing between them.

Both are free to download. OT Subnet Calculator sells 1 one-off in-app purchase. LIONFlash asks for nothing beyond the download.

## The numbers

| Metric | LIONFlash | OT Subnet Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 8 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Liontron GmbH & Co. KG](https://appshunter.io/developer/1572648075) | [Dominik Gausmann](https://appshunter.io/developer/1870320985) |

## What reviewers say

### LIONFlash

[App page](https://appshunter.io/ios/app/lionflash/id6463856356)

**Features:** macOS Compatibility

**In-app purchases:** none


### OT Subnet Calculator

[App page](https://appshunter.io/ios/app/ot-subnet-calculator/id6758581610)

This app offers advanced IP subnet calculations and comprehensive IP address management (IPAM) tools. It helps organize networks, devices, and reservations with features like visual address maps, conflict checks, and collaboration options. Learn network concepts through guides and interactive examples.

**Highlights:** IPv4 subnet calculations, IP address management (IPAM), Network and device organization, Conflict detection, Collaboration via iCloud sync, CSV and PDF reporting, IPv6 exploration

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IP Calc Profi Features | $2.99 | one-time |


## Frequently asked questions

### Is LIONFlash free?

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

### Is OT Subnet Calculator free?

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

### Do LIONFlash or OT Subnet Calculator have ads?

Neither LIONFlash nor OT Subnet Calculator shows ads.

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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.*