# Sentrylink vs Passport Photo Grid

The clearest difference is in-app purchases: Sentrylink at none against Passport Photo Grid's 1. Sentrylink also leads on iOS requirement (12.0 vs 15.6). Passport Photo Grid's advantage is update cadence (every 2 days vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Passport Photo Grid sells 1 in-app purchase, starting at $14.99 per month. Sentrylink asks for nothing beyond the download.

Sentrylink ships an update every 16 months, Passport Photo Grid every 2 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sentrylink | Passport Photo Grid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/passport-photo-grid/id6738658908/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 days** |
| Monetization | **Free** | Subscription |
| Size | 92 MB | 4 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Langtao Digital Co., Ltd.](https://appshunter.io/developer/1465690696) | [Eden Matana](https://appshunter.io/developer/1780087694) |

## What reviewers say

### Sentrylink

[App page](https://appshunter.io/ios/app/sentrylink/id1459488074)

This app allows you to remotely open your front door, view live video and audio of visitors, and share temporary door codes. You can also review unlock logs and communicate with guests via video call.

**Highlights:** Remote door unlocking, Live video and audio feed, Shareable temporary door codes, Unlock log history, Video calls with visitors

**Features:** macOS Compatibility

**In-app purchases:** none


### Passport Photo Grid

[App page](https://appshunter.io/ios/app/passport-photo-grid/id6738658908)

Easily create professional passport photos from your device. Customize layouts, edit images, and save or share high-quality photo grids for official documents or travel. Offers a 7-day free trial for full access.

**Highlights:** Customizable photo grids (4, 6, or 8 photos), Photo upload, rotation, and adjustment tools, High-quality output for printing or sharing, Easy saving and instant sharing of photo grids, 7-day free trial for full feature access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $14.99 | per month |


## Frequently asked questions

### Is Sentrylink free?

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

### Is Passport Photo Grid free?

Passport Photo Grid is free to download, with in-app purchases available.

### Do Sentrylink or Passport Photo Grid have ads?

Neither Sentrylink nor Passport Photo Grid shows ads.

### Which is updated more often, Sentrylink or Passport Photo Grid?

Sentrylink ships an update every 16 months, and Passport Photo Grid every 2 days. Most recently, Sentrylink was updated on November 3, 2026 and Passport Photo Grid on November 4, 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.*