# John Blue Info Link vs ReadyVision

The clearest difference is update cadence: ReadyVision at every 17 months against John Blue Info Link's every 46 months. ReadyVision also leads on iOS requirement (9.0 vs 13.0). 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.

John Blue Info Link ships an update every 46 months, ReadyVision every 17 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | John Blue Info Link | ReadyVision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/readyvision/id6448004654/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 17 months** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Systems Technology - John Blue Co.](https://appshunter.io/developer/714388629) | [Smucker Mfg, Inc.](https://appshunter.io/developer/1705914453) |

## What reviewers say

### John Blue Info Link

[App page](https://appshunter.io/ios/app/john-blue-info-link/id959991743)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReadyVision

[App page](https://appshunter.io/ios/app/readyvision/id6448004654)

This app connects wirelessly to a portable camera system, allowing you to view live feeds on your iOS device. It features a weatherproof design, night vision, and a wide viewing angle for various monitoring needs.

**Highlights:** Wireless camera viewing on iOS, Weatherproof camera (IP68), Infrared night vision, Wide viewing angle (150°), Magnetic base for easy mounting, Rechargeable battery

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is John Blue Info Link free?

John Blue Info Link is free to download, with no in-app purchases.

### Is ReadyVision free?

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

### Do John Blue Info Link or ReadyVision have ads?

Neither John Blue Info Link nor ReadyVision shows ads.

### Which is updated more often, John Blue Info Link or ReadyVision?

John Blue Info Link ships an update every 46 months, and ReadyVision every 17 months. Most recently, John Blue Info Link was updated on October 18, 2026 and ReadyVision on October 24, 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.*