imp™ vs QR Inspector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
imp™
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.
- Real-time call filtering
- Greenlist Technology™
- Syncs iPhone contacts
- Remote voicemail access
- Do Not Disturb mode
- Invite others to landline
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Use of the imp app™ requires our WiFi-enabled imp box™ (sold separately). Meet imp™ - the smart, simple, and easy solution for making landline spam calls go away. Powered by our Greenlist Technology™, the imp app, and imp box work together to eliminate all unwanted landline calls. This real-time call-filtering technology silently handles the calls you don't want to deal with, freeing you up to focus on welcoming only those calls you actually want to receive. With your imp box in place, the app gives your landline phone superpowers. After seamlessly syncing your iPhone's contacts with your landline at setup, you are ready to receive calls only from people you want to talk to. That means no more spam, scam, telemarketing, robo, or any other unwanted caller of any shape or size. imp is the first smart home answering machine, allowing you to receive and listen to your home's landline voicemails no matter where in the world you are. imp-sters also have the ability to put their landline into "Do Not Disturb" mode, as well as invite others to your landline. Created by our team of experts from the fields of old-school landline technology, secure networks, and modern telecommunications, imp is a new approach to your landline phone experience. With imp you now have the power to welcome calls by design, and silence the rest. To learn more about imp, visit us at: www.joinimp.com
QR Inspector
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QR Inspector allows you to scan QR Codes and see where they send you, including redirects. It is a must have for curious people that want to scan random QR Codes
Screenshots
Verdict
The clearest difference is iOS requirement: imp™ at 12.1 against QR Inspector's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.
| Parameter | imp™ | QR Inspector |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 36 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Its My Phone, Inc | Federico Martinez |
In-app purchases
imp™
No in-app purchases
QR Inspector
No in-app purchases
