# Trackonomy ULD Manager vs Relay

The clearest difference is in-app purchases: Trackonomy ULD Manager at none against Relay's 3. Trackonomy ULD Manager also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). Relay's advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Relay sells 3 in-app purchases, starting at $4.99 per 7 days. Trackonomy ULD Manager asks for nothing beyond the download.

Trackonomy ULD Manager ships an update every 2 months, Relay weekly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Trackonomy ULD Manager | Relay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 34 MB | 52 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trackonomy](https://appshunter.io/developer/1537631145) | [North Studio](https://appshunter.io/developer/1896510509) |

## What reviewers say

### Trackonomy ULD Manager

[App page](https://appshunter.io/ios/app/trackonomy-uld-manager/id6760856591)

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

**In-app purchases:** none


### Relay

[App page](https://appshunter.io/ios/app/relay-sms-forwarding/id6767809269)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relay Pro Weekly | $4.99 | per 7 days |
| Relay Pro Monthly | $9.99 | per month |
| Relay Pro Annual | $89.99 | per year |


## Frequently asked questions

### Is Trackonomy ULD Manager free?

Trackonomy ULD Manager is free to download, with no in-app purchases.

### Is Relay free?

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

### Do Trackonomy ULD Manager or Relay have ads?

Relay shows ads; Trackonomy ULD Manager does not.

### Which is updated more often, Trackonomy ULD Manager or Relay?

Trackonomy ULD Manager ships an update every 2 months, and Relay weekly. Most recently, Trackonomy ULD Manager was updated on October 10, 2026 and Relay on October 9, 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.*