SPF Generator vs Lumi
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SPF Generator
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.
- Generate SPF records
- Combat spam
- Prevent forged email
- Default settings for simplicity
- Quick DNS record creation
- Supports multiple domains
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Use this free SPF app to generate the SPF records for your domains. Technically every section is optional, if you're looking for a very simple, basic SPF record, then just keep clicking Next as the defaults will work for most simple mail server. SPF generator generate an SPF record that advertises what sources are legitimately allowed to originate email for your domain names. It is useful for distancing yourself from forged email with your domain. Quickly create SPF Records - Sender Policy Framework, to your DNS using our SPF Generator App. Sender Policy Framework (SPF) is a method of fighting spam. As more time passes, this protocol will be used as one of the standard methods of fighting spam on the Internet. An SPF record is a TXT record that is part of a domain's DNS zone file. The TXT record specifies a list of authorized host names/IP addresses that mail can originate from for a given domain name. Once this entry is placed within the DNS zone, no further configuration is necessary to take advantage of servers that incorporate SPF checking into their anti-spam systems. This SPF record is added the same way as a regular A, MX, or CNAME record.
Lumi
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FoundYou makes it easy to detect and manage nearby iBeacon devices using your iPhone. Just register your beacon information (UUID, Major, and Minor), and you're ready to go. FoundYou supports all standard iBeacon-compatible devices. Please note that iPhones cannot directly receive beacon advertising data. Beacon detection is performed based on standard iBeacon behavior. By using this app, you agree to our End User License Agreement (EULA). Please read the EULA before using FoundYou.
Screenshots
Verdict
The clearest difference is in-app purchases: SPF Generator at none against Lumi's 1. SPF Generator also leads on iOS requirement (11.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Lumi sells 1 one-off in-app purchase. SPF Generator asks for nothing beyond the download.
SPF Generator ships an update every 52 months, Lumi every 54 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.
| Parameter | SPF Generator | Lumi |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 52 months โ better | Every 54 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Free | โ |
| Devices | iPhone, iPod โ better | iPhone |
| Requires iOS | 11.0 โ better | 16.6 |
| Further details โ not scored | ||
| Size | 25 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Zluck Solutions | Kazumasa Matsushita |
In-app purchases
SPF Generator
No in-app purchases
Lumi
- Support max 10 devices$2.99








