# SPUD Robot vs Njn

The clearest difference is in-app purchases: SPUD Robot at none against Njn's 1. SPUD Robot also leads on ads (none vs shown) and iOS requirement (15.6 vs 26.0). Njn's advantage is update cadence (every 3 weeks vs every 48 months). On price and device support there is nothing between them.

Both are free to download. Njn sells 1 in-app purchase, starting at $14.99 per month. SPUD Robot asks for nothing beyond the download.

SPUD Robot ships an update every 48 months, Njn every 3 weeks. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SPUD Robot | Njn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 48 months | **Every 3 weeks** |
| Size | 44 MB | 24 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [TMR IND.](https://appshunter.io/developer/499126854) | [Michael Murphy](https://appshunter.io/developer/1358529998) |

## What reviewers say

### SPUD Robot

[App page](https://appshunter.io/ios/app/spud-robot/id1532630193)

**Features:** macOS Compatibility

**In-app purchases:** none


### Njn

[App page](https://appshunter.io/ios/app/njn/id6759216016)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Njn Premium | $14.99 | per month |


## Frequently asked questions

### Is SPUD Robot free?

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

### Is Njn free?

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

### Do SPUD Robot or Njn have ads?

Njn shows ads; SPUD Robot does not.

### Which is updated more often, SPUD Robot or Njn?

SPUD Robot ships an update every 48 months, and Njn every 3 weeks. Most recently, SPUD Robot was updated on September 23, 2026 and Njn on September 13, 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.*