# REISSER vs NN direct core

The clearest difference is update cadence: REISSER at every 3 months against NN direct core's every 19 months. NN direct core's advantage is iOS requirement (11.0 vs 15.0). 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.

REISSER ships an update every 3 months, NN direct core every 19 months. The most recent releases landed on September 10, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | REISSER | NN direct core |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 19 months |
| Size | 20 MB | 45 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCT Schiele GmbH](https://appshunter.io/developer/483354490) | [symmedia GmbH](https://appshunter.io/developer/1071728170) |

## What reviewers say

### REISSER

[App page](https://appshunter.io/ios/app/reisser/id536570435)

**Features:** macOS Compatibility

**In-app purchases:** none


### NN direct core

[App page](https://appshunter.io/ios/app/nn-direct-core/id1533989539)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is REISSER free?

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

### Is NN direct core free?

NN direct core is free to download, with no in-app purchases.

### Do REISSER or NN direct core have ads?

Neither REISSER nor NN direct core shows ads.

### Which is updated more often, REISSER or NN direct core?

REISSER ships an update every 3 months, and NN direct core every 19 months. Most recently, REISSER was updated on September 10, 2026 and NN direct core on October 10, 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.*