# NK Logbook vs Row Downstream

The clearest difference is in-app purchases: Row Downstream at none against NK Logbook's 4. Row Downstream also leads on update cadence (every 6 days vs every 4 months). NK Logbook's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. NK Logbook sells 4 in-app purchases, starting at $9.99 per month. Row Downstream asks for nothing beyond the download.

NK Logbook ships an update every 4 months, Row Downstream every 6 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NK Logbook | Row Downstream |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (12 ratings)](https://appshunter.io/ios/app/nk-logbook/id1392561808/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nielsen-Kellerman Co.](https://appshunter.io/developer/698732840) | [Row Downstream LLC](https://appshunter.io/developer/6808844453) |

## What reviewers say

### NK Logbook

[App page](https://appshunter.io/ios/app/nk-logbook/id1392561808)

This app pairs with compatible GPS devices to import, review, and analyze session data. It also streams live performance measurements for coaches and spectators, offering real-time insights into rowing performance and location.

**Highlights:** Import session data from compatible devices, Review and analyze boat metrics and stroke profile, Stream live performance measurements, Real-time location tracking for safety and spectator viewing, Team management for coaches and athletes, Compare live data from multiple boats

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coach Subscription | $9.99 | per month |
| Monthly Team Subscription | $74.99 | per month |
| Annual Coach Subscription | $99.99 | per year |
| Team Yearly Subscription | $749.99 | per year |


### Row Downstream

[App page](https://appshunter.io/ios/app/row-downstream/id6808844451)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NK Logbook free?

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

### Is Row Downstream free?

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

### Do NK Logbook or Row Downstream have ads?

Neither NK Logbook nor Row Downstream shows ads.

### Which is updated more often, NK Logbook or Row Downstream?

NK Logbook ships an update every 4 months, and Row Downstream every 6 days. Most recently, NK Logbook was updated on October 9, 2026 and Row Downstream on October 14, 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.*