# D1 App vs Kalpha

The clearest difference is ads: Kalpha at none against D1 App's shown. On price, update cadence, 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.

D1 App ships an update every 5 weeks, Kalpha monthly. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | D1 App | Kalpha |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (9 ratings)](https://appshunter.io/ios/app/d1-app/id1516386669/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 17.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 73 MB | 167 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [D1 S A S](https://appshunter.io/developer/1516386668) | [Sense Digital SAS](https://appshunter.io/developer/1525316895) |

## What reviewers say

### D1 App

[App page](https://appshunter.io/ios/app/d1-app/id1516386669)

This shopping app helps you create market lists to save time and money. Discover new ways to shop without overspending and keep track of all your essential items.

**Highlights:** Create market lists, Save time and budget, Discover new shopping methods, Optimize purchases

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

**In-app purchases:** none


### Kalpha

[App page](https://appshunter.io/ios/app/kalpha/id6755150650)

**In-app purchases:** none


## Frequently asked questions

### Is D1 App free?

D1 App is free to download, with no in-app purchases.

### Is Kalpha free?

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

### Do D1 App or Kalpha have ads?

D1 App shows ads; Kalpha does not.

### Which is updated more often, D1 App or Kalpha?

D1 App ships an update every 5 weeks, and Kalpha monthly. Most recently, D1 App was updated on October 21, 2026 and Kalpha on October 7, 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.*