# Tidevann vs Sunspot Oslo

The clearest difference is in-app purchases: Sunspot Oslo at none against Tidevann's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tidevann sells 3 in-app purchases, starting at $3.99 per month. Sunspot Oslo asks for nothing beyond the download.

Tidevann ships an update every 2 weeks, Sunspot Oslo every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tidevann | Sunspot Oslo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ScratchMyTail](https://appshunter.io/developer/358139314) | [Thomas Gautvedt](https://appshunter.io/developer/1785056819) |

## What reviewers say

### Tidevann

[App page](https://appshunter.io/ios/app/tidevann/id564181094)

Get accurate tide and ocean condition information for the Norwegian coast. Track tides, moon phases, and weather forecasts. Enhance your experience with premium features for extended forecasts and detailed ocean data.

**Highlights:** Real-time tide times, Ocean condition forecasts, Moon phase tracking, Location-based data, Extended forecasts (premium), Detailed water level data (premium), Fishing and surfing conditions (premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tidevann+ Månedlig | $3.99 | per month |
| Tidevann+ Årlig | $14.99 | per year |
| Full versjon uten reklame | $39.99 | one-time |


### Sunspot Oslo

[App page](https://appshunter.io/ios/app/sunspot-oslo/id6746675424)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tidevann free?

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

### Is Sunspot Oslo free?

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

### Do Tidevann or Sunspot Oslo have ads?

Neither Tidevann nor Sunspot Oslo shows ads.

### Which is updated more often, Tidevann or Sunspot Oslo?

Tidevann ships an update every 2 weeks, and Sunspot Oslo every 3 weeks. Most recently, Tidevann was updated on November 1, 2026 and Sunspot Oslo on October 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.*