# Protobuzz vs Enterkey

The clearest difference is rating: Protobuzz at 5.0 against Enterkey's 4.0. Protobuzz also leads on review sentiment (100% vs 83%) and iOS requirement (13.0 vs 15.0). Enterkey's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Protobuzz sells 7 in-app purchases, starting at $1.99 per month and Enterkey sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Protobuzz holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of Protobuzz's written reviews are positive against 83% of Enterkey's.

Protobuzz ships an update every 5 days, Enterkey weekly. The most recent releases landed on September 15, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Protobuzz | Enterkey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protobuzz-automated-buzzer/id6499471607/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/enterkey-apartment-buzzer/id6740049087/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 36 MB | 51 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aphrx Inc.](https://appshunter.io/developer/1508696914) | [Black Peak Creative Inc.](https://appshunter.io/developer/1788148344) |

## What reviewers say

### Protobuzz

[App page](https://appshunter.io/ios/app/protobuzz-automated-buzzer/id6499471607)

Automate and schedule entry management for visitors, deliveries, and guests directly from your smartphone. This app is ideal for residential buildings, offices, and gated communities, streamlining access permissions.

**Highlights:** Automated buzzer activities, Schedule entry access, Grant access to visitors and guests, Manage residential buildings, Manage office spaces, Manage gated communities

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Community Subscription | $1.99 | per month |
| Monthly Standard Subscription | $3.99 | per month |
| Buzzcut Subscription | $3.99 | per month |
| Monthly Premium Subscription | $6.99 | per month |
| Annual Community Subscription | $14.99 | per year |
| Annual Standard Subscription | $39.99 | per year |
| Annual Premium Subscription | $69.99 | per year |


### Enterkey

[App page](https://appshunter.io/ios/app/enterkey-apartment-buzzer/id6740049087)

This app transforms your phone into a smart apartment buzzer control, allowing you to manage building entry and intercom systems remotely. Grant temporary access to guests, receive real-time alerts, and enhance security with PIN protection, all without new hardware.

**Highlights:** Smart apartment buzzer control, Timed digital key access, Real-time entry alerts, PIN security for entry, Works with existing buzzers, Effortless guest access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |
| Enterkey - Yearly | $69.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Protobuzz free?

Protobuzz is free to download, with in-app purchases available.

### Is Enterkey free?

Enterkey is free to download, with in-app purchases available.

### Which has better reviews, Protobuzz or Enterkey?

Protobuzz is rated higher. Protobuzz averages 5.0 out of 5 from 1 ratings, while Enterkey averages 4.0 from 4 ratings.

### Do Protobuzz or Enterkey have ads?

Neither Protobuzz nor Enterkey shows ads.

### Which is updated more often, Protobuzz or Enterkey?

Protobuzz ships an update every 5 days, and Enterkey weekly. Most recently, Protobuzz was updated on September 15, 2026 and Enterkey on September 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.*