# OwlEye.Cam vs Spark Number

The clearest difference is in-app purchases: OwlEye.Cam at none against Spark Number's 4. OwlEye.Cam also leads on iOS requirement (13.0 vs 15.0). Spark Number's advantage is update cadence (every 2 weeks vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Spark Number sells 4 one-off in-app purchases. OwlEye.Cam asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OwlEye.Cam against 5.0 for Spark Number. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

OwlEye.Cam ships an update every 3 months, Spark Number every 2 weeks. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OwlEye.Cam | Spark Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/owleyecam/id6599839031/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/spark-number/id6763991053/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DWK Systems, Inc.](https://appshunter.io/developer/1760715142) | [Yellow Mountain Technology, Inc.](https://appshunter.io/developer/1113231522) |

## What reviewers say

### OwlEye.Cam

[App page](https://appshunter.io/ios/app/owleyecam/id6599839031)

Control your WiFi inspection camera remotely from your phone or tablet. Stream live video, adjust lighting, focus, record, and capture images. Features include non-contact voltage detection and on-board recording.

**Highlights:** Live video streaming, Adjustable lighting, Manual and auto focus, Video recording, Picture snapshots, Zoom functionality, Non-contact voltage detection

**Features:** macOS Compatibility

**In-app purchases:** none


### Spark Number

[App page](https://appshunter.io/ios/app/spark-number/id6763991053)

Create personalized calculators for any task using simple text prompts. This app generates custom tools with native interfaces for mortgage calculations, recipes, discounts, and more, supporting advanced formulas and multiple languages.

**Highlights:** AI-powered calculator generation, Custom formula support, Native iOS interface, Multi-language prompt support, Plain text description input

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Pack 15 credits | $0.99 | one-time |
| Unlock Unlimited Slots | $4.99 | one-time |
| Value Pack 50 credits | $4.99 | one-time |
| Master Pack 150 credits | $9.99 | one-time |


## Frequently asked questions

### Is OwlEye.Cam free?

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

### Is Spark Number free?

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

### Which has better reviews, OwlEye.Cam or Spark Number?

OwlEye.Cam and Spark Number are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do OwlEye.Cam or Spark Number have ads?

Neither OwlEye.Cam nor Spark Number shows ads.

### Which is updated more often, OwlEye.Cam or Spark Number?

OwlEye.Cam ships an update every 3 months, and Spark Number every 2 weeks. Most recently, OwlEye.Cam was updated on October 9, 2026 and Spark Number 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.*