# CoupleLog vs D

The clearest difference is update cadence: D at every 3 days against CoupleLog's every 10 days. 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.

CoupleLog ships an update every 10 days, D every 3 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CoupleLog | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 43 MB | 52 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seonggon Sim](https://appshunter.io/developer/1565259950) | [CodeSand Co. Ltd.](https://appshunter.io/developer/1896764307) |

## What reviewers say

### CoupleLog

[App page](https://appshunter.io/ios/app/couplelog-d-day-widget/id6762705245)

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

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-day-keep-countdown-widget/id6772022931)

**In-app purchases:** none


## Frequently asked questions

### Is CoupleLog free?

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

### Is D free?

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

### Do CoupleLog or D have ads?

Both CoupleLog and D show ads.

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

CoupleLog ships an update every 10 days, and D every 3 days. Most recently, CoupleLog was updated on October 4, 2026 and D on October 8, 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.*