# DQA vs CalSlashD

The clearest difference is update cadence: CalSlashD at every 2 days against DQA's every 2 weeks. DQA's advantage is iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DQA sells 2 in-app purchases, starting at $3.99 per month and CalSlashD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DQA ships an update every 2 weeks, CalSlashD every 2 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | DQA | CalSlashD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 4 MB | 10 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Achillefs Tzenetopoulos](https://appshunter.io/developer/1675753059) | [Daniel Hotyanov](https://appshunter.io/developer/1825695141) |

## What reviewers say

### DQA

[App page](https://appshunter.io/ios/app/dqa-daily-question-app/id6755850527)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $24.99 | per year |


### CalSlashD

[App page](https://appshunter.io/ios/app/calslashd-calorie-countdown/id6784985279)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cal/d Plus | $9.99 | one-time |


## Frequently asked questions

### Is DQA free?

DQA is free to download, with in-app purchases available.

### Is CalSlashD free?

CalSlashD is free to download, with in-app purchases available.

### Do DQA or CalSlashD have ads?

Neither DQA nor CalSlashD shows ads.

### Which is updated more often, DQA or CalSlashD?

DQA ships an update every 2 weeks, and CalSlashD every 2 days. Most recently, DQA was updated on October 28, 2026 and CalSlashD on October 28, 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.*