# iStreams Lyme Bay vs eOceanic

The clearest difference is update cadence: eOceanic at monthly against iStreams Lyme Bay's every 3 months. eOceanic also leads on iOS requirement (13.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iStreams Lyme Bay sells 6 one-off in-app purchases and eOceanic sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

iStreams Lyme Bay ships an update every 3 months, eOceanic monthly. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iStreams Lyme Bay | eOceanic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 83 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Navtech Software](https://appshunter.io/developer/355517263) | [eOceanic Limited](https://appshunter.io/developer/1801941274) |

## What reviewers say

### iStreams Lyme Bay

[App page](https://appshunter.io/ios/app/istreams-lyme-bay/id1456740873)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Set tool | $1.99 | one-time |
| 1 Month Subscription | $2.99 | one-time |
| Devonport Tides 2019 | $2.99 | one-time |
| 6 Month Subscription | $2.99 | one-time |
| Unlock CTS tool | $3.99 | one-time |
| 1 Year Subscription | $5.99 | one-time |


### eOceanic

[App page](https://appshunter.io/ios/app/eoceanic/id6743214768)

Empowering boaters with comprehensive sailing intelligence for the English and Irish coasts. Download charting, tidal data, and more for offline use, ensuring a safe and enjoyable experience at sea.

**Highlights:** Offline charting and tidal data, Discover nearby havens and routes, Extensive resource search, Raster charts with seamless scaling, Hazard and danger alerts, Man-Over-Board (MOB) function, Logging and progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eOceanic Subscription | $49.99 | per year |


## Frequently asked questions

### Is iStreams Lyme Bay free?

iStreams Lyme Bay is free to download, with in-app purchases available.

### Is eOceanic free?

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

### Do iStreams Lyme Bay or eOceanic have ads?

Neither iStreams Lyme Bay nor eOceanic shows ads.

### Which is updated more often, iStreams Lyme Bay or eOceanic?

iStreams Lyme Bay ships an update every 3 months, and eOceanic monthly. Most recently, iStreams Lyme Bay was updated on October 25, 2026 and eOceanic on October 10, 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.*