# imp™ vs Authenticator App ＂

The clearest difference is in-app purchases: imp™ at none against Authenticator App ＂'s 4. imp™ also leads on ads (none vs shown) and ratings volume (12 vs 1). Authenticator App ＂'s advantage is update cadence (every 9 days vs every 2 months). On price and rating there is nothing between them.

Both are free to download. Authenticator App ＂ sells 4 in-app purchases, starting at $7.99 per 7 days. imp™ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for imp™ against 5.0 for Authenticator App ＂. That said, the two scores are not equally well evidenced: imp™ has 12 ratings behind it against 1, so its average is the more settled of the two.

imp™ ships an update every 2 months, Authenticator App ＂ every 9 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | imp™ | Authenticator App ＂ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (12 ratings)](https://appshunter.io/ios/app/imp-imp-box-controller/id1509443801/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app/id6761050210/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 94 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Its My Phone, Inc](https://appshunter.io/developer/1509443800) | [VisonMix](https://appshunter.io/developer/1887506426) |

## 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


### Authenticator App ＂

[App page](https://appshunter.io/ios/app/authenticator-app/id6761050210)

Securely store, manage, and access verification codes for your online accounts. Generate one-time passwords, organize tokens by category, and protect your data with encrypted backups and security insights.

**Highlights:** Fast & Secure OTP Authentication, Smart Authenticator Organization, Security Audit & Protection Insights, Encrypted iCloud Backup & Sync, Privacy Protection, Universal Compatibility

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $7.99 | per 7 days |
| Yearly VIP | $39.99 | per year |
| Yearly VIP - 3 Days Free | $39.99 | per year |
| Lifetime VIP | $49.99 | one-time |


## Frequently asked questions

### Is imp™ free?

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

### Is Authenticator App ＂ free?

Authenticator App ＂ is free to download, with in-app purchases available.

### Which has better reviews, imp™ or Authenticator App ＂?

imp™ and Authenticator App ＂ are both rated 5.0 out of 5 on the App Store, from 12 and 1 ratings respectively.

### Do imp™ or Authenticator App ＂ have ads?

Authenticator App ＂ shows ads; imp™ does not.

### Which is updated more often, imp™ or Authenticator App ＂?

imp™ ships an update every 2 months, and Authenticator App ＂ every 9 days. Most recently, imp™ was updated on October 24, 2026 and Authenticator App ＂ on October 14, 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.*