# D vs Powerverse

The clearest difference is review sentiment: Powerverse at 60% against D's 7%. D's advantage is monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | D | Powerverse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/d-d-h2ocean/id1435999273/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 6.7% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [D-D The Aquarium Solution Limited](https://appshunter.io/developer/1435999272) | [Powerverse Development Limited](https://appshunter.io/developer/1693348906) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-d-h2ocean/id1435999273)

Control your D-D H2Ocean Dosing Pumps for marine reef aquariums. Automate the addition of essential elements by setting dosing frequency and volume for each channel. Monitor your dosing solution levels in real-time.

**Highlights:** WIFI control for dosing pumps, Automatic element addition, Set dosing frequency, Set dosing volume per channel, Real-time solution level monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Powerverse

[App page](https://appshunter.io/ios/app/powerverse/id6450452166)

Manage and monitor your EV charging remotely to save money and reduce your carbon footprint. Schedule charging, utilize solar power, and track costs and emissions in real-time.

**Highlights:** Intelligent charging schedules, Manual charging schedules, Solar EV charging, Remote charger monitoring, Cost and emissions tracking, Secure charging authorization, Live customer support

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is Powerverse free?

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

### Do D or Powerverse have ads?

Neither D nor Powerverse shows ads.

### Which is updated more often, D or Powerverse?

D ships an update fortnightly, and Powerverse fortnightly. Most recently, D was updated on October 29, 2026 and Powerverse on October 30, 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.*