# SurfDose vs Kaiyo

The clearest difference is in-app purchases: SurfDose at none against Kaiyo's 2. SurfDose also leads on iOS requirement (10.0 vs 15.1). Kaiyo's advantage is update cadence (every 2 weeks vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Kaiyo sells 2 one-off in-app purchases. SurfDose asks for nothing beyond the download.

SurfDose ships an update every 4 weeks, Kaiyo every 2 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SurfDose | Kaiyo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kaiyo/id6747704161/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 45 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luigi Arnaldo Paiella](https://appshunter.io/developer/782423575) | [Alberto Charabati](https://appshunter.io/developer/1822499389) |

## What reviewers say

### SurfDose

[App page](https://appshunter.io/ios/app/surfdose/id973279652)

Record and track your windsurfing, kitesurfing, and SUP sessions. Log details like gear used, spots visited, and personal stats. Sync data across devices and contribute to global statistics by registering on the website.

**Highlights:** Log windsurf, kitesurf, and SUP sessions, Record sessions offline, Add new spots and gear, View session statistics, Sync sessions across devices, Contribute to global statistics

**Features:** macOS Compatibility

**In-app purchases:** none


### Kaiyo

[App page](https://appshunter.io/ios/app/kaiyo/id6747704161)

This app is your ultimate surf companion, offering detailed forecasts, spot finding, and session tracking. Connect with other surfers, share conditions, and discover new breaks.

**Highlights:** Hourly & Weekly Surf Forecasts, Nearest Spot Finder, Community Features, Apple Watch Integration, Live Surf Cameras, Add Custom Surf Spots

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip The Developer | $4.99 | one-time |
| Tip the Developer | $4.99 | one-time |


## Frequently asked questions

### Is SurfDose free?

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

### Is Kaiyo free?

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

### Do SurfDose or Kaiyo have ads?

Neither SurfDose nor Kaiyo shows ads.

### Which is updated more often, SurfDose or Kaiyo?

SurfDose ships an update every 4 weeks, and Kaiyo every 2 weeks. Most recently, SurfDose was updated on October 11, 2026 and Kaiyo on October 24, 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.*