# SerialCheck vs ApplianceLog

The clearest difference is in-app purchases: SerialCheck at none against ApplianceLog's 3. SerialCheck also leads on device support (4 vs 1) and iOS requirement (15.6 vs 17.0). ApplianceLog's advantage is update cadence (every 8 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. ApplianceLog sells 3 in-app purchases, starting at $5.99 per month. SerialCheck asks for nothing beyond the download.

SerialCheck ships an update every 3 weeks, ApplianceLog every 8 days. The most recent releases landed on July 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SerialCheck | ApplianceLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 37 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [NanoHawk](https://appshunter.io/developer/1805616299) | [Clashware Sàrl](https://appshunter.io/developer/1837470365) |

## What reviewers say

### SerialCheck

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

**Features:** Family Sharing

**In-app purchases:** none


### ApplianceLog

[App page](https://appshunter.io/ios/app/appliancelog-serial-inventory/id6786417346)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly - Full Access | $5.99 | per month |
| Pro Yearly - 7-Day Trial | $29.99 | per year |
| Pro Lifetime - Pay Once | $69.99 | one-time |


## Frequently asked questions

### Is SerialCheck free?

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

### Is ApplianceLog free?

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

### Do SerialCheck or ApplianceLog have ads?

Neither SerialCheck nor ApplianceLog shows ads.

### Which is updated more often, SerialCheck or ApplianceLog?

SerialCheck ships an update every 3 weeks, and ApplianceLog every 8 days. Most recently, SerialCheck was updated on July 25, 2026 and ApplianceLog on September 15, 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.*