# Greybobby vs Noesis

The clearest difference is in-app purchases: Greybobby at none against Noesis's 2. Greybobby also leads on device support (4 vs 2). Noesis's advantage is update cadence (every 10 days vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Noesis sells 2 in-app purchases, starting at $12.99 per month. Greybobby asks for nothing beyond the download.

Greybobby ships an update every 2 months, Noesis every 10 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Greybobby | Noesis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/greybobby/id6446960949/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 50 MB | 111 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Greybobby Ministries Inc](https://appshunter.io/developer/1794185460) | [Abhishek Chauhan](https://appshunter.io/developer/1886624177) |

## What reviewers say

### Greybobby

[App page](https://appshunter.io/ios/app/greybobby/id6446960949)

This app provides faith-based educational content for families, including cartoons, music, and lessons. It aims to help parents disciple their children and foster devotion to Christ.

**Highlights:** Faith-based cartoons, Christian music, Educational lessons, Family discipleship tools, Devotion building content

**In-app purchases:** none


### Noesis

[App page](https://appshunter.io/ios/app/noesis-math-physics-finance/id6804661027)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noesis Monthly | $12.99 | per month |
| Noesis Yearly | $34.99 | per year |


## Frequently asked questions

### Is Greybobby free?

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

### Is Noesis free?

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

### Do Greybobby or Noesis have ads?

Neither Greybobby nor Noesis shows ads.

### Which is updated more often, Greybobby or Noesis?

Greybobby ships an update every 2 months, and Noesis every 10 days. Most recently, Greybobby was updated on November 3, 2026 and Noesis on October 25, 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.*