# Inistate vs CastleBird

The clearest difference is update cadence: Inistate at fortnightly against CastleBird's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Inistate ships an update fortnightly, CastleBird every 3 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Inistate | CastleBird |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 117 MB | 93 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [GNey Software Pte Ltd](https://appshunter.io/developer/1448325159) | [CastleBird](https://appshunter.io/developer/1689612442) |

## What reviewers say

### Inistate

[App page](https://appshunter.io/ios/app/inistate/id1448325160)

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

**In-app purchases:** none


### CastleBird

[App page](https://appshunter.io/ios/app/castlebird/id6449547159)

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

**In-app purchases:** none


## Frequently asked questions

### Is Inistate free?

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

### Is CastleBird free?

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

### Do Inistate or CastleBird have ads?

Neither Inistate nor CastleBird shows ads.

### Which is updated more often, Inistate or CastleBird?

Inistate ships an update fortnightly, and CastleBird every 3 months. Most recently, Inistate was updated on November 2, 2026 and CastleBird 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.*