# Leap Year Test vs Psylo

The clearest difference is in-app purchases: Leap Year Test at none against Psylo's 4. Leap Year Test also leads on iOS requirement (11.0 vs 18.4). Psylo's advantage is update cadence (every 9 days vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Psylo sells 4 in-app purchases, starting at $7.99 per month. Leap Year Test asks for nothing beyond the download.

Leap Year Test ships an update every 13 months, Psylo every 9 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Leap Year Test | Psylo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (42 ratings)](https://appshunter.io/ios/app/psylo-private-browser-and-proxy/id6741358035/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 62.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 days** |
| Monetization | — | Subscription |
| Size | 11 MB | 25 MB |
| Requires iOS | **11.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Jan-Hendrik von Kuick](https://appshunter.io/developer/1190145903) | [Mysk Inc.](https://appshunter.io/developer/394912964) |

## What reviewers say

### Leap Year Test

[App page](https://appshunter.io/ios/app/leap-year-test/id1371327368)

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

**In-app purchases:** none


### Psylo

[App page](https://appshunter.io/ios/app/psylo-private-browser-and-proxy/id6741358035)

This private browser offers true tab isolation, with each tab acting as a separate silo. Assign unique proxy locations to each silo for enhanced privacy and security. It blocks trackers, ads, and prevents fingerprinting, providing a secure browsing experience.

**Highlights:** True tab isolation, Per-silo proxy assignment, 40+ global proxy locations, No-log proxy network, Automatic HTTPS upgrades, DNS-level tracker blocking, Content filtering

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Psylo Monthly | $7.99 | per month |
| Psylo (Monthly) | $10.99 | per month |
| Psylo (Annual) | $69.99 | per year |
| Psylo Annual | $69.99 | per year |


## Frequently asked questions

### Is Leap Year Test free?

Leap Year Test is free to download, with no in-app purchases.

### Is Psylo free?

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

### Do Leap Year Test or Psylo have ads?

Neither Leap Year Test nor Psylo shows ads.

### Which is updated more often, Leap Year Test or Psylo?

Leap Year Test ships an update every 13 months, and Psylo every 9 days. Most recently, Leap Year Test was updated on October 29, 2026 and Psylo on October 30, 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.*