# synergEV vs SeaBase

The clearest difference is rating: SeaBase at 5.0 against synergEV's 4.4. SeaBase also leads on update cadence (every 6 days vs every 5 months). synergEV's advantage is monetization model (free vs paid) and ratings volume (126 vs 2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SeaBase holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: synergEV has 126 ratings behind it against 2, so its average is the more settled of the two.

synergEV ships an update every 5 months, SeaBase every 6 days. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | synergEV | SeaBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (126 ratings)](https://appshunter.io/ios/app/synergev/id6742115930/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/seabase/id6786122931/reviews)** |
| Number of ratings | **126** | 2 |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | **Free** | Paid |
| Size | 61 MB | 80 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SynergEV](https://appshunter.io/developer/1796914417) | [Yeoman Ventures LLC](https://appshunter.io/developer/6785116999) |

## What reviewers say

### synergEV

[App page](https://appshunter.io/ios/app/synergev/id6742115930)

Easily find, access, and pay for electric vehicle charging stations. Monitor your charging sessions in real-time, receive notifications, and manage your charging history. Secure and reliable EV charging management for drivers.

**Highlights:** Find EV charging stations by location, availability, and power, Start charging via QR code or station ID, Monitor charging sessions in real-time, Receive charging completion notifications, Secure in-app payments, Favorite charging stations, View charging history and receipts

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

**In-app purchases:** none


### SeaBase

[App page](https://appshunter.io/ios/app/seabase/id6786122931)

This offline-first sailing companion provides essential tools for life on the water. It includes an anchor alarm, nautical charts, GPS navigation, tide information, and a logbook, all functioning without a cellular signal. Enjoy a comprehensive suite of features with a single, one-time purchase.

**Highlights:** Offline nautical charts, Anchor alarm with drift detection, GPS navigation and route planning, Offline tide predictions, Harbor and anchorage finder, Auto-tracking logbook, Reference guides and emergency tools

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is synergEV free?

synergEV is free to download, with no in-app purchases.

### Is SeaBase free?

SeaBase is free to download, with no in-app purchases.

### Which has better reviews, synergEV or SeaBase?

SeaBase is rated higher. synergEV averages 4.4 out of 5 from 126 ratings, while SeaBase averages 5.0 from 2 ratings.

### Do synergEV or SeaBase have ads?

Neither synergEV nor SeaBase shows ads.

### Which is updated more often, synergEV or SeaBase?

synergEV ships an update every 5 months, and SeaBase every 6 days. Most recently, synergEV was updated on October 24, 2026 and SeaBase on September 30, 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.*