# Inbox Notification vs ZynoDisplay

The clearest difference is update cadence: Inbox Notification at every 8 months against ZynoDisplay's every 23 months. Inbox Notification also leads on iOS requirement (15.0 vs 17.0). 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.

Inbox Notification ships an update every 8 months, ZynoDisplay every 23 months. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Inbox Notification | ZynoDisplay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 23 months |
| Size | 2 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [COFEM SA](https://appshunter.io/developer/1547222382) | [Signal24 LLC](https://appshunter.io/developer/647063251) |

## What reviewers say

### Inbox Notification

[App page](https://appshunter.io/ios/app/inbox-notification/id6476604969)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZynoDisplay

[App page](https://appshunter.io/ios/app/zynodisplay/id6478135187)

**In-app purchases:** none


## Frequently asked questions

### Is Inbox Notification free?

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

### Is ZynoDisplay free?

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

### Do Inbox Notification or ZynoDisplay have ads?

Neither Inbox Notification nor ZynoDisplay shows ads.

### Which is updated more often, Inbox Notification or ZynoDisplay?

Inbox Notification ships an update every 8 months, and ZynoDisplay every 23 months. Most recently, Inbox Notification was updated on October 25, 2026 and ZynoDisplay on October 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.*