# Instant Notifier Plus vs ButtonShift

The clearest difference is update cadence: ButtonShift at every 3 weeks against Instant Notifier Plus's every 5 months. ButtonShift also leads on iOS requirement (15.0 vs 17.6). 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.

Instant Notifier Plus ships an update every 5 months, ButtonShift every 3 weeks. The most recent releases landed on September 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Instant Notifier Plus | ButtonShift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 27 MB | 89 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Securitas Healthcare LLC](https://appshunter.io/developer/1749825924) | [Buena Logica Technologies Private Limited](https://appshunter.io/developer/1203616576) |

## What reviewers say

### Instant Notifier Plus

[App page](https://appshunter.io/ios/app/instant-notifier-plus/id6751809226)

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

**In-app purchases:** none


### ButtonShift

[App page](https://appshunter.io/ios/app/buttonshift/id6752597740)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instant Notifier Plus free?

Instant Notifier Plus is free to download, with no in-app purchases.

### Is ButtonShift free?

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

### Do Instant Notifier Plus or ButtonShift have ads?

Neither Instant Notifier Plus nor ButtonShift shows ads.

### Which is updated more often, Instant Notifier Plus or ButtonShift?

Instant Notifier Plus ships an update every 5 months, and ButtonShift every 3 weeks. Most recently, Instant Notifier Plus was updated on September 20, 2026 and ButtonShift on September 29, 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.*