# Underground Reptiles vs PetsLock

The clearest difference is update cadence: PetsLock at every 2 months against Underground Reptiles's every 5 months. PetsLock also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Underground Reptiles ships an update every 5 months, PetsLock every 2 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Underground Reptiles | PetsLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (69 ratings)](https://appshunter.io/ios/app/underground-reptiles/id1145585283/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 36.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 61 MB | 101 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Underground Reptiles](https://appshunter.io/developer/1145585282) | [Codignus Technologies Private Limited](https://appshunter.io/developer/1539259604) |

## What reviewers say

### Underground Reptiles

[App page](https://appshunter.io/ios/app/underground-reptiles/id1145585283)

Discover and purchase a wide variety of reptiles and exotic pets. This app allows you to browse available animals, stay updated on new arrivals, and order essential supplies like feeder mice and rats. It's designed for enthusiasts looking to expand their collection.

**Highlights:** Browse reptiles and exotic pets, View new animal arrivals, Order feeder mice and rats, Purchase pet supplies, Stay updated on inventory

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

**In-app purchases:** none


### PetsLock

[App page](https://appshunter.io/ios/app/petslock/id6751708863)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Underground Reptiles free?

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

### Is PetsLock free?

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

### Do Underground Reptiles or PetsLock have ads?

Neither Underground Reptiles nor PetsLock shows ads.

### Which is updated more often, Underground Reptiles or PetsLock?

Underground Reptiles ships an update every 5 months, and PetsLock every 2 months. Most recently, Underground Reptiles was updated on October 24, 2026 and PetsLock on October 7, 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.*