# Noi Solar vs DockTides

The clearest difference is in-app purchases: Noi Solar at none against DockTides's 2. DockTides's advantage is update cadence (every 4 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DockTides sells 2 in-app purchases, starting at $0.99 per month. Noi Solar asks for nothing beyond the download.

Noi Solar ships an update every 10 days, DockTides every 4 days. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Noi Solar | DockTides |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/docktides/id6754754911/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou NOI Technology Co., Ltd](https://appshunter.io/developer/937245550) | [Adam Vella](https://appshunter.io/developer/1849857103) |

## What reviewers say

### Noi Solar

[App page](https://appshunter.io/ios/app/noi-solar/id6746528081)

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

**In-app purchases:** none


### DockTides

[App page](https://appshunter.io/ios/app/docktides/id6754754911)

This app provides instant, private dock water depth intelligence. It offers real-time status, detailed 24-hour forecasts with 6-minute precision, and personalized predictions based on your dock's unique characteristics. Get on the water with confidence.

**Highlights:** Real-time lift depth status, 24-hour water depth forecast, Hourly summaries with 6-minute precision, Personalized dock predictions, Privacy-first architecture, Offline-capable

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DockTides (Monthly) | $0.99 | per month |
| DockTides (Yearly) | $9.99 | per year |


## Frequently asked questions

### Is Noi Solar free?

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

### Is DockTides free?

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

### Do Noi Solar or DockTides have ads?

Neither Noi Solar nor DockTides shows ads.

### Which is updated more often, Noi Solar or DockTides?

Noi Solar ships an update every 10 days, and DockTides every 4 days. Most recently, Noi Solar was updated on October 17, 2026 and DockTides 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.*