# Device Guide vs KidneyColor

The clearest difference is update cadence: KidneyColor at every 9 days against Device Guide's every 3 months. Device Guide's advantage is iOS requirement (13.0 vs 15.6). 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.

Device Guide ships an update every 3 months, KidneyColor every 9 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Device Guide | KidneyColor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 42 MB | 67 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fyra LLC](https://appshunter.io/developer/1232329461) | [Sinapsys Ubiquitous Computing SL](https://appshunter.io/developer/1828747086) |

## What reviewers say

### Device Guide

[App page](https://appshunter.io/ios/app/device-guide/id514788717)

This medical app offers a comprehensive directory of vascular and coronary interventional devices for US and CE Mark markets. Easily search product specifications, company details, and web resources in a centralized tool. Regular updates ensure access to the latest product information.

**Highlights:** Vascular and coronary interventional device listing, US and CE Mark market coverage, Searchable product sizes and configurations, Company information and web resources, Regular product updates

**Features:** macOS Compatibility

**In-app purchases:** none


### KidneyColor

[App page](https://appshunter.io/ios/app/kidneycolor/id6759851758)

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

**In-app purchases:** none


## Frequently asked questions

### Is Device Guide free?

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

### Is KidneyColor free?

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

### Do Device Guide or KidneyColor have ads?

Neither Device Guide nor KidneyColor shows ads.

### Which is updated more often, Device Guide or KidneyColor?

Device Guide ships an update every 3 months, and KidneyColor every 9 days. Most recently, Device Guide was updated on October 18, 2026 and KidneyColor 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.*