# nr. 01 vs Electroll

The clearest difference is in-app purchases: Electroll at none against nr. 01's 1. Electroll also leads on update cadence (weekly vs monthly). nr. 01's advantage is ads (none vs shown) and iOS requirement (6.0 vs 12.0). On price and device support there is nothing between them.

Both are free to download. nr. 01 sells 1 one-off in-app purchase. Electroll asks for nothing beyond the download.

nr. 01 ships an update monthly, Electroll weekly. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | nr. 01 | Electroll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (42 ratings)](https://appshunter.io/ios/app/nr-01/id979154551/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 79.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 133 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tiny Games](https://appshunter.io/developer/907446397) | [CorocoroGames](https://appshunter.io/developer/1782490942) |

## What reviewers say

### nr. 01

[App page](https://appshunter.io/ios/app/nr-01/id979154551)

A unique puzzle game that challenges your brain using numbers. The goal is to reduce all bubbles to 1 by switching them, but bubbles with the number 1 cannot be moved. It's easy to learn but can be incredibly challenging.

**Highlights:** Number-based bubble puzzles, Reduce all bubbles to 1, Cannot move bubbles with number 1, Challenging for all skill levels, Unique gameplay mechanics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Electroll

[App page](https://appshunter.io/ios/app/electroll/id6738834139)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is nr. 01 free?

nr. 01 is free to download, with in-app purchases available.

### Is Electroll free?

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

### Do nr. 01 or Electroll have ads?

Electroll shows ads; nr. 01 does not.

### Which is updated more often, nr. 01 or Electroll?

nr. 01 ships an update monthly, and Electroll weekly. Most recently, nr. 01 was updated on October 6, 2026 and Electroll on October 2, 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.*