# ReptilesFunction vs Ptilop.sys

The clearest difference is in-app purchases: Ptilop.sys at none against ReptilesFunction's 2. Ptilop.sys also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. ReptilesFunction sells 2 in-app purchases, starting at $1.99 per month. Ptilop.sys asks for nothing beyond the download.

ReptilesFunction ships an update every 2 weeks, Ptilop.sys every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ReptilesFunction | Ptilop.sys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ptilopsys/id6778647718/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 85 MB | 204 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [imada katsuki](https://appshunter.io/developer/1756699653) | [Soon-woo Kwon](https://appshunter.io/developer/6778647721) |

## What reviewers say

### ReptilesFunction

[App page](https://appshunter.io/ios/app/reptilesfunction-repfun/id6541752715)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReptilesFunction Premium Monthly | $1.99 | per month |
| ReptilesFunction Premium Annual | $17.99 | per year |


### Ptilop.sys

[App page](https://appshunter.io/ios/app/ptilopsys/id6778647718)

This app provides helpful information and tools for players of a specific game. Most features function offline, with optional downloads for extra content like illustrations and voicelines. Some external API features require an internet connection.

**Highlights:** Offline functionality, Downloadable illustrations, Downloadable voicelines, Game information, External API integration

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

**In-app purchases:** none


## Frequently asked questions

### Is ReptilesFunction free?

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

### Is Ptilop.sys free?

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

### Do ReptilesFunction or Ptilop.sys have ads?

ReptilesFunction shows ads; Ptilop.sys does not.

### Which is updated more often, ReptilesFunction or Ptilop.sys?

ReptilesFunction ships an update every 2 weeks, and Ptilop.sys every 10 days. Most recently, ReptilesFunction was updated on November 4, 2026 and Ptilop.sys on November 5, 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.*