# SimpleLogin vs Perimeter

The clearest difference is in-app purchases: Perimeter at none against SimpleLogin's 2. Perimeter also leads on update cadence (every 2 days vs every 5 weeks). SimpleLogin's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. SimpleLogin sells 2 in-app purchases, starting at $3.99 per month. Perimeter asks for nothing beyond the download.

SimpleLogin ships an update every 5 weeks, Perimeter every 2 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SimpleLogin | Perimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/simplelogin-email-alias/id1494359858/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 83.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 11 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Classy Methods](https://appshunter.io/developer/991628608) |

## What reviewers say

### SimpleLogin

[App page](https://appshunter.io/ios/app/simplelogin-email-alias/id1494359858)

Create temporary, anonymous email addresses to protect your personal inbox from spam and tracking. Forward emails to your main inbox and reply from your alias, keeping your real address hidden. Easily disable aliases if they receive unwanted messages.

**Highlights:** Create anonymous email aliases, Forward emails to personal inbox, Reply from alias address, Send emails from alias, Disable aliases to block spam, PGP encryption support, Use custom domains

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (monthly) | $3.99 | per month |
| Premium (yearly) | $39.99 | per year |


### Perimeter

[App page](https://appshunter.io/ios/app/perimeter-privacy-scanner/id6794748751)

**In-app purchases:** none


## Frequently asked questions

### Is SimpleLogin free?

SimpleLogin is free to download, with in-app purchases available.

### Is Perimeter free?

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

### Do SimpleLogin or Perimeter have ads?

Neither SimpleLogin nor Perimeter shows ads.

### Which is updated more often, SimpleLogin or Perimeter?

SimpleLogin ships an update every 5 weeks, and Perimeter every 2 days. Most recently, SimpleLogin was updated on October 18, 2026 and Perimeter on October 8, 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.*