# D vs StackandTrack

The clearest difference is update cadence: StackandTrack at every 6 weeks against D's every 12 months. D's advantage is iOS requirement (12.0 vs 15.1). 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 12 months, StackandTrack every 6 weeks. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | D | StackandTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Size | 20 MB | 29 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [2makeinformationtechnologywork BV](https://appshunter.io/developer/1462752397) | [StackandTrack B.V.](https://appshunter.io/developer/1699372624) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-quality-survey-client-app/id1462752398)

**Features:** macOS Compatibility

**In-app purchases:** none


### StackandTrack

[App page](https://appshunter.io/ios/app/stackandtrack/id6453477096)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is StackandTrack free?

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

### Do D or StackandTrack have ads?

Neither D nor StackandTrack shows ads.

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

D ships an update every 12 months, and StackandTrack every 6 weeks. Most recently, D was updated on October 10, 2026 and StackandTrack on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*