# Gobius vs See Sailing

Gobius and See Sailing are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Gobius ships an update monthly, See Sailing every 2 months. The most recent releases landed on July 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Gobius | See Sailing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/gobius/id6471569744/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 35 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Gobius Sensor Technology AB](https://appshunter.io/developer/1422407278) | [Atomic Droplet](https://appshunter.io/developer/412509860) |

## What reviewers say

### Gobius

[App page](https://appshunter.io/ios/app/gobius/id6471569744)

This application works with specific sensors to monitor fluid levels in tanks, displaying volume in percentages and liters. It provides installation guides, tank calculators for various shapes, and visual level indicators.

**Highlights:** Fluid level monitoring, Volume display in % and liters, Installation guides, Tank calculator for non-rectangular tanks, Visual fluid level indicators, Waterproof sensor compatibility

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

**In-app purchases:** none


### See Sailing

[App page](https://appshunter.io/ios/app/see-sailing/id6673886027)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gobius free?

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

### Is See Sailing free?

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

### Do Gobius or See Sailing have ads?

Neither Gobius nor See Sailing shows ads.

### Which is updated more often, Gobius or See Sailing?

Gobius ships an update monthly, and See Sailing every 2 months. Most recently, Gobius was updated on July 22, 2026 and See Sailing on September 25, 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.*