# Happenee vs LDM Calculator

The clearest difference is in-app purchases: Happenee at none against LDM Calculator's 1. LDM Calculator's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. LDM Calculator sells 1 one-off in-app purchase. Happenee asks for nothing beyond the download.

## The numbers

| Metric | Happenee | LDM Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 59 MB | 63 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Happenee s.r.o.](https://appshunter.io/developer/1466264324) | [Fikri Yigit Bostanci](https://appshunter.io/developer/1858504498) |

## What reviewers say

### Happenee

[App page](https://appshunter.io/ios/app/happenee/id888779030)

**Features:** macOS Compatibility

**In-app purchases:** none


### LDM Calculator

[App page](https://appshunter.io/ios/app/ldm-calculator/id6756099739)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $3.99 | one-time |


## Frequently asked questions

### Is Happenee free?

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

### Is LDM Calculator free?

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

### Do Happenee or LDM Calculator have ads?

Neither Happenee nor LDM Calculator shows ads.

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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.*