# Gatekeeper vs Building Defects Tracker

The clearest difference is in-app purchases: Building Defects Tracker at none against Gatekeeper's 3. Gatekeeper's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Gatekeeper sells 3 in-app purchases, starting at $3.99 per 7 days. Building Defects Tracker asks for nothing beyond the download.

Gatekeeper ships an update weekly, Building Defects Tracker every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Gatekeeper | Building Defects Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/gatekeeper-sms-and-call-blocker/id6761782731/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | — |
| Size | 85 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZADE TECH YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/6782620231) | [Albert Frick](https://appshunter.io/developer/6802014257) |

## What reviewers say

### Gatekeeper

[App page](https://appshunter.io/ios/app/gatekeeper-sms-and-call-blocker/id6761782731)

This app helps you manage unwanted communications by filtering spam texts based on custom rules and blocking specific phone numbers. It prioritizes your privacy by processing all message data directly on your device.

**Highlights:** Customizable text message filtering by keywords, numbers, and prefixes, Block unwanted incoming calls, Create an 'Allowed list' for trusted contacts, On-device message processing for privacy, Optional AI filter for advanced spam detection (Pro), Smart matching for spelling variants (Pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gatekeeper Pro Weekly | $3.99 | per 7 days |
| Gatekeeper Pro Monthly Offer | $6.99 | per month |
| Gatekeeper Pro Monthly | $9.99 | per month |


### Building Defects Tracker

[App page](https://appshunter.io/ios/app/building-defects-tracker/id6802430409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gatekeeper free?

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

### Is Building Defects Tracker free?

Building Defects Tracker is free to download, with no in-app purchases.

### Do Gatekeeper or Building Defects Tracker have ads?

Neither Gatekeeper nor Building Defects Tracker shows ads.

### Which is updated more often, Gatekeeper or Building Defects Tracker?

Gatekeeper ships an update weekly, and Building Defects Tracker every 2 months. Most recently, Gatekeeper was updated on October 31, 2026 and Building Defects Tracker on October 31, 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.*