# metroKEY vs Synca Social

The clearest difference is rating: Synca Social at 5.0 against metroKEY's 2.8. Synca Social also leads on update cadence (every 4 days vs every 2 weeks). metroKEY's advantage is in-app purchases (none vs 1) and ratings volume (13 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Synca Social sells 1 one-off in-app purchase. metroKEY asks for nothing beyond the download.

Synca Social holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: metroKEY has 13 ratings behind it against 2, so its average is the more settled of the two.

metroKEY ships an update every 2 weeks, Synca Social every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | metroKEY | Synca Social |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (13 ratings)](https://appshunter.io/ios/app/metrokey/id6476256036/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synca-social/id6776388723/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 70 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Streetspace Ltd](https://appshunter.io/developer/1726305187) | [Synca Limited Liability Company](https://appshunter.io/developer/6776388725) |

## What reviewers say

### metroKEY

[App page](https://appshunter.io/ios/app/metrokey/id6476256036)

This app provides interactive access control for waste facilities, offering end-to-end visibility on usage. It features a user-friendly interface with fast sign-up, clear instructions, unit location mapping, and information on depositable items.

**Highlights:** Interactive access control, End-to-end usage visibility, Fast sign-up process, Unit location mapping, Deposit information, Bluetooth unit latch opening, Bin fill level monitoring

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

**In-app purchases:** none


### Synca Social

[App page](https://appshunter.io/ios/app/synca-social/id6776388723)

Easily transform your ideas into actionable plans with friends. Organize events, trips, and activities, and coordinate schedules to spend less time planning and more time enjoying experiences together.

**Highlights:** Turn shared content into plans, Collaborative list creation, Group polls and chat, Availability scheduling, Discover local events, Organize group trips, Schedule recurring plans

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Founding Supporter | $4.99 | one-time |


## Frequently asked questions

### Is metroKEY free?

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

### Is Synca Social free?

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

### Which has better reviews, metroKEY or Synca Social?

Synca Social is rated higher. metroKEY averages 2.8 out of 5 from 13 ratings, while Synca Social averages 5.0 from 2 ratings.

### Do metroKEY or Synca Social have ads?

Neither metroKEY nor Synca Social shows ads.

### Which is updated more often, metroKEY or Synca Social?

metroKEY ships an update every 2 weeks, and Synca Social every 4 days. Most recently, metroKEY was updated on October 24, 2026 and Synca Social on October 24, 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.*