# Supra eKEY vs SerialCheck

The clearest difference is in-app purchases: Supra eKEY at none against SerialCheck's 3. Supra eKEY also leads on iOS requirement (12.0 vs 15.6). SerialCheck's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SerialCheck sells 3 in-app purchases, starting at $0.99 per month. Supra eKEY asks for nothing beyond the download.

Supra eKEY ships an update every 2 months, SerialCheck every 3 weeks. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Supra eKEY | SerialCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (969 ratings)](https://appshunter.io/ios/app/supra-ekey/id379909266/reviews)** | — |
| Number of ratings | **969** | — |
| Positive reviews | 12.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Subscription | — |
| Size | 47 MB | 35 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Supra](https://appshunter.io/developer/379909269) | [NanoHawk](https://appshunter.io/developer/1805616299) |

## What reviewers say

### Supra eKEY

[App page](https://appshunter.io/ios/app/supra-ekey/id379909266)

This app provides real estate professionals with secure and efficient access to properties. It allows for easy opening of keyboxes, customization of access, and access to valuable property information to enhance client service.

**Highlights:** Open keyboxes with PIN or biometrics, Manage keybox settings and access hours, Track keyboxes and view showing notifications, Access MLS listing information offline, Create and manage buyer profiles, View property notes and agent contact info

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 🔒 Secure app
- 👍 Convenient for agents

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔋 Drains battery quickly
- 💸 Expensive and predatory billing practices
- ⏱️ Slow and unreliable updates
- 🤖 Poor customer support

**Reported bugs**

- App freezes and crashes on latest iPhone models
- Bluetooth connectivity issues preventing access to lockboxes
- Payment screen glitches and inability to update billing info
- Inconsistent performance across different devices and OS versions

**Requested features**

- Automatic updates without user intervention
- Offline functionality for areas with no cell service
- Apple Watch complications support
- Improved UI and UX for programming lockboxes


### SerialCheck

[App page](https://appshunter.io/ios/app/serialcheck-hvac-age-decoder/id6759895640)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SerialCheck Pro Monthly | $0.99 | per month |
| SerialCheck Pro Annual | $3.99 | per year |
| SerialCheck Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Supra eKEY free?

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

### Is SerialCheck free?

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

### Do Supra eKEY or SerialCheck have ads?

Neither Supra eKEY nor SerialCheck shows ads.

### Which is updated more often, Supra eKEY or SerialCheck?

Supra eKEY ships an update every 2 months, and SerialCheck every 3 weeks. Most recently, Supra eKEY was updated on November 6, 2026 and SerialCheck on October 28, 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.*