# AD&M Loonapp vs Stack

The clearest difference is in-app purchases: AD&M Loonapp at none against Stack's 1. AD&M Loonapp also leads on iOS requirement (13.0 vs 16.0). Stack's advantage is update cadence (every 6 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Stack sells 1 one-off in-app purchase. AD&M Loonapp asks for nothing beyond the download.

AD&M Loonapp ships an update every 9 months, Stack every 6 weeks. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AD&M Loonapp | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/stack-simple-debt-manager/id1673751951/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 8 MB | 30 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mammoet Internetbureau B.V.](https://appshunter.io/developer/1233633261) | [Leon Boettger](https://appshunter.io/developer/1537384790) |

## What reviewers say

### AD&M Loonapp

[App page](https://appshunter.io/ios/app/ad-and-m-loonapp/id1601165671)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-simple-debt-manager/id1673751951)

Easily track and manage personal finances by categorizing credit and debt across multiple devices. Create separate spaces for different financial situations, share summaries, and use the built-in calculator for complex calculations.

**Highlights:** Categorize credit and debt, Create multiple financial spaces, Share debt summaries, Integrated value calculator, Split expenses easily, App lock with Face ID/Touch ID, Apple Watch app for on-the-go management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack+ | $0.99 | one-time |


## Frequently asked questions

### Is AD&M Loonapp free?

AD&M Loonapp is free to download, with no in-app purchases.

### Is Stack free?

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

### Do AD&M Loonapp or Stack have ads?

Neither AD&M Loonapp nor Stack shows ads.

### Which is updated more often, AD&M Loonapp or Stack?

AD&M Loonapp ships an update every 9 months, and Stack every 6 weeks. Most recently, AD&M Loonapp was updated on September 17, 2026 and Stack on September 30, 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.*