# NRRS vs S61 PPC

The clearest difference is price: NRRS at Free against S61 PPC's $2.99. NRRS also leads on update cadence (every 16 months vs every 48 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NRRS is free to download; S61 PPC costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NRRS ships an update every 16 months, S61 PPC every 48 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | NRRS | S61 PPC |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 48 months |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Answers4Families](https://appshunter.io/developer/530164780) | [Arsenal Dev LLC](https://appshunter.io/developer/1559628965) |

## What reviewers say

### NRRS

[App page](https://appshunter.io/ios/app/nrrs/id1490934580)

**Features:** macOS Compatibility

**In-app purchases:** none


### S61 PPC

[App page](https://appshunter.io/ios/app/s61-ppc/id1559628963)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NRRS free?

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

### Is S61 PPC free?

S61 PPC costs $2.99, with no in-app purchases.

### Do NRRS or S61 PPC have ads?

Neither NRRS nor S61 PPC shows ads.

### Which is updated more often, NRRS or S61 PPC?

NRRS ships an update every 16 months, and S61 PPC every 48 months. Most recently, NRRS was updated on November 3, 2026 and S61 PPC on November 3, 2026.

---

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