# Convex Programmer's Calculator vs IP Camera Viewer

The clearest difference is rating: Convex Programmer's Calculator at 4.7 against IP Camera Viewer's 4.0. Convex Programmer's Calculator also leads on in-app purchases (none vs 10) and review sentiment (67% vs 39%). IP Camera Viewer's advantage is update cadence (fortnightly vs every 8 months) and ratings volume (1.2K vs 6). On price, ads and iOS requirement there is nothing between them.

Both are free to download. IP Camera Viewer sells 10 in-app purchases, starting at $3.99 per month. Convex Programmer's Calculator asks for nothing beyond the download.

Convex Programmer's Calculator holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: IP Camera Viewer has 1.2K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 67% of Convex Programmer's Calculator's written reviews are positive against 39% of IP Camera Viewer's.

Convex Programmer's Calculator ships an update every 8 months, IP Camera Viewer fortnightly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Convex Programmer's Calculator | IP Camera Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602/reviews)** | [4.0 (1.2K ratings)](https://appshunter.io/ios/app/ip-camera-viewer-ipcams/id1045600272/reviews) |
| Number of ratings | 6 | **1.2K** |
| Positive reviews | **66.7% of reviews** | 39.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 315 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Daigle](https://appshunter.io/developer/1021414601) | [Nogosoft LLC](https://appshunter.io/developer/1037724490) |

## What reviewers say

### Convex Programmer's Calculator

[App page](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602)

Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.

**Highlights:** Number base conversion, Two's complement calculation, Byte flipping for endianness, Left and right bit shifting, Binary readability enhancements, Copy, paste, and clear functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### IP Camera Viewer

[App page](https://appshunter.io/ios/app/ip-camera-viewer-ipcams/id1045600272)

Transform your ONVIF, RTSP, or WiFi IP cameras into a robust home security system. This app provides a smooth and fast experience for viewing and controlling network cameras across multiple Apple devices. Enjoy secure, local access without mandatory cloud services or vendor restrictions.

**Highlights:** ONVIF, RTSP, MJPEG camera support, Network camera discovery, Two-way audio communication, Multi-camera monitoring dashboards, Pan, tilt, and zoom control, Motion detection and recording, Secure local and remote access

**Features:** Family Sharing, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Monthly | $4.99 | per month |
| Pro Plus Monthly | $7.99 | per month |
| Pro Plus Monthly | $9.99 | per month |
| Pro Yearly | $29.99 | per year |
| Pro Yearly | $34.99 | per year |
| Pro Plus Yearly | $59.99 | per year |
| Pro Plus Yearly | $59.99 | per year |
| Pro Plus Yearly | $74.99 | per year |
| Pro Lifetime | $149.99 | one-time |

**What reviewers like**

- 🚀 Easy setup
- 🚀 Intuitive interface
- 🚀 Fast camera loading
- 🚀 Simultaneous multi-camera viewing
- 🚀 Reliable performance

**What reviewers complain about**

- 🐛 Frequent disconnections and freezes
- 🐛 Buggy updates causing data loss
- 🔒 Concerns over data collection and privacy
- 💰 Expensive subscription model
- 💰 Lack of one-time purchase option

**Reported bugs**

- Cameras disappearing after updates
- Inability to add/edit cameras
- Unresponsive PTZ controls
- Connectivity issues when away from home network

**Requested features**

- Motion detection and alerts
- Remote access and monitoring
- PTZ camera controls
- Ability to view camera storage/recordings
- Customizable camera layouts


## Frequently asked questions

### Is Convex Programmer's Calculator free?

Convex Programmer's Calculator is free to download, with no in-app purchases.

### Is IP Camera Viewer free?

IP Camera Viewer is free to download, with in-app purchases available.

### Which has better reviews, Convex Programmer's Calculator or IP Camera Viewer?

Convex Programmer's Calculator is rated higher. Convex Programmer's Calculator averages 4.7 out of 5 from 6 ratings, while IP Camera Viewer averages 4.0 from 1.2K ratings.

### Do Convex Programmer's Calculator or IP Camera Viewer have ads?

Neither Convex Programmer's Calculator nor IP Camera Viewer shows ads.

### Which is updated more often, Convex Programmer's Calculator or IP Camera Viewer?

Convex Programmer's Calculator ships an update every 8 months, and IP Camera Viewer fortnightly. Most recently, Convex Programmer's Calculator was updated on November 1, 2026 and IP Camera Viewer on November 2, 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.*