# Iridium GO! vs RackWatt

The clearest difference is review sentiment: RackWatt at 100% against Iridium GO!'s 7%. RackWatt also leads on rating (5.0 vs 1.9) and update cadence (every 11 days vs every 5 months). Iridium GO!'s advantage is in-app purchases (none vs 2) and ratings volume (58 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. RackWatt sells 2 in-app purchases, starting at $9.99 per month. Iridium GO! asks for nothing beyond the download.

RackWatt holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: Iridium GO! has 58 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 7% of Iridium GO!'s written reviews are positive against 100% of RackWatt's.

Iridium GO! ships an update every 5 months, RackWatt every 11 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Iridium GO! | RackWatt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (58 ratings)](https://appshunter.io/ios/app/iridium-go/id808207315/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rackwatt-data-center-mop/id6790170168/reviews)** |
| Number of ratings | **58** | 1 |
| Positive reviews | 6.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 67 MB | 2 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Iridium](https://appshunter.io/developer/634954979) | [Chris Thrasher](https://appshunter.io/developer/1790762521) |

## What reviewers say

### Iridium GO!

[App page](https://appshunter.io/ios/app/iridium-go/id808207315)

Connect your iPhone or iPad to a global satellite network for calls, texts, and social media updates anywhere on Earth. This app provides essential communication capabilities even in areas without terrestrial network coverage, including emergency SOS functionality.

**Highlights:** Satellite calling, SMS messaging, Twitter integration, Emergency SOS activation, Global network coverage, Wi-Fi connectivity

**In-app purchases:** none


### RackWatt

[App page](https://appshunter.io/ios/app/rackwatt-data-center-mop/id6790170168)

This offline toolkit digitizes data center procedures, offering step-by-step execution with timestamps, notes, photos, and signatures. It includes comprehensive calculators for power and cooling, troubleshooting guides for equipment, and document management for operations and maintenance.

**Highlights:** Offline procedure execution, Digital signatures and PDF export, Power and cooling calculators, Equipment troubleshooting guides, Document management, Safety and uptime features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RackWatt Pro Monthly | $9.99 | per month |
| RackWatt | $79.99 | per year |


## Frequently asked questions

### Is Iridium GO! free?

Iridium GO! is free to download, with no in-app purchases.

### Is RackWatt free?

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

### Which has better reviews, Iridium GO! or RackWatt?

RackWatt is rated higher. Iridium GO! averages 1.9 out of 5 from 58 ratings, while RackWatt averages 5.0 from 1 ratings.

### Do Iridium GO! or RackWatt have ads?

Neither Iridium GO! nor RackWatt shows ads.

### Which is updated more often, Iridium GO! or RackWatt?

Iridium GO! ships an update every 5 months, and RackWatt every 11 days. Most recently, Iridium GO! was updated on October 24, 2026 and RackWatt on October 31, 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.*