# imp™ vs MerryIoT for Amazon Sidewalk

The clearest difference is update cadence: MerryIoT for Amazon Sidewalk at every 3 weeks against imp™'s every 2 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.

imp™ ships an update every 2 months, MerryIoT for Amazon Sidewalk every 3 weeks. The most recent releases landed on June 3, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | imp™ | MerryIoT for Amazon Sidewalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/imp-imp-box-controller/id1509443801/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 36 MB | 34 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Its My Phone, Inc](https://appshunter.io/developer/1509443800) | [BROWAN COMMUNICATIONS INCORPORATION](https://appshunter.io/developer/1584963490) |

## What reviewers say

### imp™

[App page](https://appshunter.io/ios/app/imp-imp-box-controller/id1509443801)

This app works with a smart home device to filter unwanted landline calls, allowing only desired contacts to reach you. It also functions as a remote answering machine for your landline, letting you manage voicemails from anywhere.

**Highlights:** Real-time call filtering, Greenlist Technology™, Syncs iPhone contacts, Remote voicemail access, Do Not Disturb mode, Invite others to landline

**In-app purchases:** none


### MerryIoT for Amazon Sidewalk

[App page](https://appshunter.io/ios/app/merryiot-for-amazon-sidewalk/id6450383664)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is imp™ free?

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

### Is MerryIoT for Amazon Sidewalk free?

MerryIoT for Amazon Sidewalk is free to download, with no in-app purchases.

### Do imp™ or MerryIoT for Amazon Sidewalk have ads?

Neither imp™ nor MerryIoT for Amazon Sidewalk shows ads.

### Which is updated more often, imp™ or MerryIoT for Amazon Sidewalk?

imp™ ships an update every 2 months, and MerryIoT for Amazon Sidewalk every 3 weeks. Most recently, imp™ was updated on June 3, 2026 and MerryIoT for Amazon Sidewalk on September 23, 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.*