dDrives vs Appion Central
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dDrives
Access alarm descriptions, troubleshooting guides, and user manuals for Danfoss VLT drives. This professional tool provides essential information for commissioning and service, supporting a wide range of drive models.
- Alarm descriptions
- Troubleshooting guides
- User manual links
- Support for multiple VLT drive models
- Multilingual alarm descriptions
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The "dDrives - VFD help" app provides quick access to alarm descriptions of Danfoss VLT drives. In a second you get a full alarm description, troubleshooting guide and even a link to the latest user manual. App greatly helps by commissioning and service giving you the necessary information when you need it and where you need it. It is a small but really feature-full application. A professional tool for professionals. Currently supported drives: VLT2800, VLT5000, FC51, FC101, FC102, FC103, FC202, FC280, FC301, FC302, FCD302, FCM106, FCP106, LD302, MCD200, MCD500, MCO305, MCO350, MCO351. The app is in English. For most popular drives the alarms descriptions are also available in French, Português, Russian, Spanish and simplified Chinese. DISCLAIMER This app IS NOT affiliated with Danfoss A/S or any of its affiliates!
Appion Central
Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.
- Manage Appion products
- Interface with Appion Portal
- Mobile tool management
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Appion Central is designed to allow users to manage their Appion products as well as provide an interface with the Appion Portal web service.
Screenshots
Verdict
The clearest difference is rating: dDrives at 4.5 against Appion Central's 2.8. dDrives also leads on review sentiment (50% vs 29%). Appion Central's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. dDrives sells 1 one-off in-app purchase. Appion Central asks for nothing beyond the download.
dDrives holds the better App Store score, 4.5 against 2.8. Both are backed by a comparable volume of ratings — 29 and 14 respectively. Written reviews point the same way: 50% of dDrives's written reviews are positive against 29% of Appion Central's.
dDrives ships an update monthly, Appion Central every 5 weeks. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.
| Parameter | dDrives | Appion Central |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (29 ratings) — better | 2.8 (14 ratings) |
| Positive reviews | 50.0% of reviews — better | 28.6% of reviews |
| Number of ratings | 29 — better | 14 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Evgeny Makarenkov | Appion Inc. |
Customer experience
dDrives
Appion Central
In-app purchases
dDrives
- All Drives$1.99
Appion Central
No in-app purchases
Questions
Is dDrives free?
Is Appion Central free?
Which has better reviews, dDrives or Appion Central?
Do dDrives or Appion Central have ads?
Which is updated more often, dDrives or Appion Central?
Other comparisons
