# D vs EcoQolday

The clearest difference is update cadence: EcoQolday at monthly against D's every 4 months. 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.

D ships an update every 4 months, EcoQolday monthly. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | D | EcoQolday |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 151 MB | 30 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devart.kz](https://appshunter.io/developer/1652833039) | ["Zhasyl Damu" AO](https://appshunter.io/developer/1785819573) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-sign/id6448327239)

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

**In-app purchases:** none


### EcoQolday

[App page](https://appshunter.io/ios/app/ecoqolday/id6475673696)

**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 EcoQolday free?

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

### Do D or EcoQolday have ads?

Neither D nor EcoQolday shows ads.

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

D ships an update every 4 months, and EcoQolday monthly. Most recently, D was updated on October 13, 2026 and EcoQolday on October 27, 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.*