PredictChat vs Iridium Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PredictChat
Send and receive WhatsApp and SMS messages while at sea. This companion app connects to the PredictMail service for seamless communication on your voyages.
- WhatsApp messaging at sea
- SMS messaging at sea
- Companion to PredictMail service
- Send and receive messages
- Designed for maritime use
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PredictChat is a free companion App to the PredictMail service and is used to send and receive WhatsApp & SMS messages to your friends and family while at sea. Terms and Conditions: https://www.predictwind.com/about-us/terms-and-conditions/ Privacy Policy: https://www.predictwind.com/about-us/privacy-policy/
Iridium Chat
This app enables real-time, app-to-app instant messaging and image sharing globally via a satellite Wi-Fi device. It offers an always-on messaging experience, group chats, and location sharing.
- Real-time app-to-app messaging
- Global satellite network access
- Group chats up to 50 people
- Image sharing with compression
- Location sharing via clickable link
- Contact syncing
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A companion app for the Iridium GO! exec® satellite Wi-Fi access device, Iridium Chat harnesses the truly global Iridium® network, allowing app-to-app instant messaging and image sharing from anywhere. Unlike standard apps compatible with Iridium GO! exec, Iridium Chat – utilizing Iridium Messaging Transport® – offers users an "always on," real-time messaging experience. FUNCTIONS AND FEATURES • Send and receive messages while connected to Iridium GO! exec or when using Wi-Fi or cellular data. • Stay connected with group chats of up to 50 individuals. • Share images: Inbuilt compression tool helps ensure better user experience with faster loading time and network efficiency. • Share location: Clickable link shows the user's location in recipient's default maps app. • Sync your contacts: Smart device contacts are synced and sorted so Iridium Chat users are easy to find.
Screenshots
Verdict
The clearest difference is update cadence: PredictChat at every 2 weeks against Iridium Chat's every 7 months. On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for PredictChat against 5.0 for Iridium Chat. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
PredictChat ships an update every 2 weeks, Iridium Chat every 7 months. The most recent releases landed on September 17, 2026 and June 10, 2026 respectively.
| Parameter | PredictChat | Iridium Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 127 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | PredictWind Limited | Iridium Satellite LLC |
Customer experience
PredictChat
Iridium Chat
In-app purchases
PredictChat
No in-app purchases
Iridium Chat
No in-app purchases
