# RackLink Discovery vs D

The clearest difference is review sentiment: RackLink Discovery at 100% against D's 20%. RackLink Discovery also leads on rating (5.0 vs 1.9) and iOS requirement (12.0 vs 15.1). D's advantage is update cadence (fortnightly vs every 36 months) and ratings volume (15 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

RackLink Discovery holds the better App Store score, 5.0 against 1.9. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews point the same way: 100% of RackLink Discovery's written reviews are positive against 20% of D's.

RackLink Discovery ships an update every 36 months, D fortnightly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RackLink Discovery | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/racklink-discovery/id1574990700/reviews)** | [1.9 (15 ratings)](https://appshunter.io/ios/app/d-tools-cloud/id6755965704/reviews) |
| Number of ratings | 4 | **15** |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 25 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legrand AV Inc](https://appshunter.io/developer/1574990702) | [D-Tools](https://appshunter.io/developer/874328080) |

## What reviewers say

### RackLink Discovery

[App page](https://appshunter.io/ios/app/racklink-discovery/id1574990700)

Easily discover and connect to RackLink™ enabled products on your network. This app provides access to the web browser interface for full control and management of AV industry remote power management systems.

**Highlights:** Discover RackLink enabled products, Connect to PDUs on the same network, Access web browser interface, Full device control and management, Supports Select and Premium+ PDUs

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-tools-cloud/id6755965704)

Manage projects and track progress from any location. Technicians and teams can access schedules, project details, and service information, logging updates in real-time. The app supports offline work and syncs data when a connection is restored.

**Highlights:** Project tracking, Task management, Service item updates, Time entry logging, Offline work capability, Progress logging

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

**In-app purchases:** none


## Frequently asked questions

### Is RackLink Discovery free?

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

### Is D free?

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

### Which has better reviews, RackLink Discovery or D?

RackLink Discovery is rated higher. RackLink Discovery averages 5.0 out of 5 from 4 ratings, while D averages 1.9 from 15 ratings.

### Do RackLink Discovery or D have ads?

Neither RackLink Discovery nor D shows ads.

### Which is updated more often, RackLink Discovery or D?

RackLink Discovery ships an update every 36 months, and D fortnightly. Most recently, RackLink Discovery was updated on October 3, 2026 and D on October 1, 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.*