# SerialCheck vs Referral Reactor

The clearest difference is in-app purchases: Referral Reactor at none against SerialCheck's 3. SerialCheck's advantage is update cadence (every 3 weeks vs every 3 months) and device support (4 vs 2). On price and ads there is nothing between them.

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

SerialCheck ships an update every 3 weeks, Referral Reactor every 3 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SerialCheck | Referral Reactor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/referral-reactor-nextgen/id6760507225/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 37 MB | 28 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [NanoHawk](https://appshunter.io/developer/1805616299) | [Inventory Shield LLC](https://appshunter.io/developer/1502458903) |

## What reviewers say

### 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 |


### Referral Reactor

[App page](https://appshunter.io/ios/app/referral-reactor-nextgen/id6760507225)

Manage your referral program on the go with this app. Submit new leads instantly, track their status, and communicate with your team or partners directly from your mobile device.

**Highlights:** Submit referrals anywhere, Real-time notifications, In-app messaging, Referral management, Photo uploads, Location tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is SerialCheck free?

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

### Is Referral Reactor free?

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

### Do SerialCheck or Referral Reactor have ads?

Neither SerialCheck nor Referral Reactor shows ads.

### Which is updated more often, SerialCheck or Referral Reactor?

SerialCheck ships an update every 3 weeks, and Referral Reactor every 3 months. Most recently, SerialCheck was updated on October 4, 2026 and Referral Reactor on October 1, 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.*