# Modlie vs CastAlert

The clearest difference is iOS requirement: CastAlert at 15.1 against Modlie's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Modlie ships an update every 10 months, CastAlert every 6 months. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Modlie | CastAlert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 44 MB | 24 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [THE FAT COUCH, LLC](https://appshunter.io/developer/1574739610) | [TombStone Dash LLC](https://appshunter.io/developer/1837279597) |

## What reviewers say

### Modlie

[App page](https://appshunter.io/ios/app/modlie/id6744341314)

**Features:** macOS Compatibility

**In-app purchases:** none


### CastAlert

[App page](https://appshunter.io/ios/app/castalert/id6751863794)

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

**In-app purchases:** none


## Frequently asked questions

### Is Modlie free?

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

### Is CastAlert free?

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

### Do Modlie or CastAlert have ads?

Neither Modlie nor CastAlert shows ads.

### Which is updated more often, Modlie or CastAlert?

Modlie ships an update every 10 months, and CastAlert every 6 months. Most recently, Modlie was updated on October 28, 2026 and CastAlert on November 5, 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.*