# NatureSpy vs OnlyCat

The clearest difference is review sentiment: OnlyCat at 91% against NatureSpy's 25%. OnlyCat also leads on device support (4 vs 2) and iOS requirement (15.5 vs 17.0). NatureSpy's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On price and in-app purchases there is nothing between them.

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

NatureSpy ships an update every 2 days, OnlyCat every 3 months. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NatureSpy | OnlyCat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onlycat-smart-cat-flap/id6476429489/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | **90.9% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 49 MB | 61 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [NatureSpy](https://appshunter.io/developer/1682232932) | [OnlyCat](https://appshunter.io/developer/1726680557) |

## What reviewers say

### NatureSpy

[App page](https://appshunter.io/ios/app/naturespy/id6447686628)

Easily connect your wildlife cameras to stream live footage of your garden. Receive real-time motion detection alerts and record videos to share with loved ones.

**Highlights:** Connect WildCam and BirdCam, Live wildlife streaming, Motion detection recording, Real-time alerts, Record and share videos, Share camera access

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

**In-app purchases:** none


### OnlyCat

[App page](https://appshunter.io/ios/app/onlycat-smart-cat-flap/id6476429489)

This advanced cat flap uses AI to detect and prevent prey from entering your home. It offers selective access control for each pet, real-time notifications, and allows for timed curfews. Manage multiple cats and track their activities with personalized profiles and video highlights.

**Highlights:** AI prey detection, Selective access control, Smart notifications, Multi-cat management, Timed curfews, Activity tracking, Personalized cat profiles

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

**In-app purchases:** none


## Frequently asked questions

### Is NatureSpy free?

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

### Is OnlyCat free?

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

### Do NatureSpy or OnlyCat have ads?

OnlyCat shows ads; NatureSpy does not.

### Which is updated more often, NatureSpy or OnlyCat?

NatureSpy ships an update every 2 days, and OnlyCat every 3 months. Most recently, NatureSpy was updated on October 27, 2026 and OnlyCat on October 10, 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.*