# Instaaoffice vs CastHub Ultra

The clearest difference is in-app purchases: Instaaoffice at none against CastHub Ultra's 9. Instaaoffice also leads on ads (none vs shown) and update cadence (fortnightly vs every 8 months). On price and device support there is nothing between them.

Both are free to download. CastHub Ultra sells 9 in-app purchases, starting at $1.99 per 7 days. Instaaoffice asks for nothing beyond the download.

Instaaoffice ships an update fortnightly, CastHub Ultra every 8 months. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Instaaoffice | CastHub Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (38 ratings)](https://appshunter.io/ios/app/casthub-ultra/id6739907940/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 23 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Brskly](https://appshunter.io/developer/1457845614) | [田 桑](https://appshunter.io/developer/1787282511) |

## What reviewers say

### Instaaoffice

[App page](https://appshunter.io/ios/app/instaaoffice/id6717592095)

**Features:** macOS Compatibility

**In-app purchases:** none


### CastHub Ultra

[App page](https://appshunter.io/ios/app/casthub-ultra/id6739907940)

This app transforms your device into a versatile tool for enhanced productivity and entertainment. Project images to a large screen for a visual feast and access multiple utilities to streamline your daily tasks. Experience a more convenient and efficient digital life.

**Highlights:** Screen projection for large displays, Multiple productivity tools, Enhanced work efficiency, Convenient daily life experience, Versatile device transformation

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium-Weekly | $1.99 | per 7 days |
| Weekly tool subscription | $1.99 | per 7 days |
| Weekly for family | $2.99 | per 7 days |
| Monthly tool subscription | $4.99 | per month |
| Premium-Monthly | $6.99 | per month |
| Monthly for family | $7.99 | per month |
| Annually tool subscription | $29.99 | per year |
| Premium-Yearly | $29.99 | per year |
| Annually for family | $49.99 | per year |


## Frequently asked questions

### Is Instaaoffice free?

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

### Is CastHub Ultra free?

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

### Do Instaaoffice or CastHub Ultra have ads?

CastHub Ultra shows ads; Instaaoffice does not.

### Which is updated more often, Instaaoffice or CastHub Ultra?

Instaaoffice ships an update fortnightly, and CastHub Ultra every 8 months. Most recently, Instaaoffice was updated on October 27, 2026 and CastHub Ultra on November 4, 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.*