# SPF Generator vs ZeroScan

The clearest difference is price: SPF Generator at Free against ZeroScan's $0.99. SPF Generator also leads on iOS requirement (11.0 vs 17.0). ZeroScan's advantage is update cadence (every 6 months vs every 52 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

SPF Generator is free to download; ZeroScan costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SPF Generator ships an update every 52 months, ZeroScan every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | SPF Generator | ZeroScan |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zeroscan/id1508942351/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 6 months** |
| Monetization | **Free** | Paid |
| Size | 25 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Zluck Solutions](https://appshunter.io/developer/1093796022) | [Jordan Parsons](https://appshunter.io/developer/1508942350) |

## What reviewers say

### SPF Generator

[App page](https://appshunter.io/ios/app/spf-generator/id1291826502)

This free utility helps you create Sender Policy Framework (SPF) records for your domains. It simplifies the process of defining authorized email sources to combat spam and prevent forged emails. The app offers default settings for basic needs and allows for quick generation of these essential DNS records.

**Highlights:** Generate SPF records, Combat spam, Prevent forged email, Default settings for simplicity, Quick DNS record creation, Supports multiple domains

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

**In-app purchases:** none


### ZeroScan

[App page](https://appshunter.io/ios/app/zeroscan/id1508942351)

Discover network devices and their services effortlessly. This tool listens for broadcasting zeroconf services, displaying IP addresses and open ports without active probing. Customize scan intervals and result display for a seamless network overview.

**Highlights:** Zeroconf (mDNS, DNS-SD, Bonjour) service discovery, Automatic network rescanning, Customizable scan intervals, Adjustable result display duration, Clipboard copy customization, Manual service searching

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SPF Generator free?

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

### Is ZeroScan free?

ZeroScan costs $0.99, with no in-app purchases.

### Do SPF Generator or ZeroScan have ads?

Neither SPF Generator nor ZeroScan shows ads.

### Which is updated more often, SPF Generator or ZeroScan?

SPF Generator ships an update every 52 months, and ZeroScan every 6 months. Most recently, SPF Generator was updated on November 3, 2026 and ZeroScan on November 3, 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.*