# Heights ES Spray Controller vs RelayOps For Amazon Relay

The clearest difference is in-app purchases: Heights ES Spray Controller at none against RelayOps For Amazon Relay's 4. RelayOps For Amazon Relay's advantage is update cadence (every 2 weeks vs every 3 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. RelayOps For Amazon Relay sells 4 in-app purchases, starting at $29.99 per month. Heights ES Spray Controller asks for nothing beyond the download.

Heights ES Spray Controller ships an update every 3 months, RelayOps For Amazon Relay every 2 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Heights ES Spray Controller | RelayOps For Amazon Relay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/relayops-for-amazon-relay/id6759659418/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 3 MB | 40 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Cole Troester](https://appshunter.io/developer/1834414589) | [Juan Rocha](https://appshunter.io/developer/1880049459) |

## What reviewers say

### Heights ES Spray Controller

[App page](https://appshunter.io/ios/app/heights-es-spray-controller/id6751279193)

**Features:** macOS Compatibility

**In-app purchases:** none


### RelayOps For Amazon Relay

[App page](https://appshunter.io/ios/app/relayops-for-amazon-relay/id6759659418)

This platform helps Amazon Relay operators manage their fleet and loads efficiently. It offers live dispatch tracking, an AI-powered assistant for quick answers, and tools for driver management, document submission, and safety alerts. Supports English and Spanish.

**Highlights:** Live dispatch map, AI-powered assistant, Driver management, Road alerts & community intel, Document management (BOL/POD), Vehicle inspection checklists, Driver safety panic button, Bilingual (English/Spanish)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $29.99 | per month |
| Professional | $59.99 | per month |
| Professional+ | $89.99 | per month |
| Enterprise | $150.00 | per month |


## Frequently asked questions

### Is Heights ES Spray Controller free?

Heights ES Spray Controller is free to download, with no in-app purchases.

### Is RelayOps For Amazon Relay free?

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

### Do Heights ES Spray Controller or RelayOps For Amazon Relay have ads?

Neither Heights ES Spray Controller nor RelayOps For Amazon Relay shows ads.

### Which is updated more often, Heights ES Spray Controller or RelayOps For Amazon Relay?

Heights ES Spray Controller ships an update every 3 months, and RelayOps For Amazon Relay every 2 weeks. Most recently, Heights ES Spray Controller was updated on October 24, 2026 and RelayOps For Amazon Relay on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*