# T Minus sailing timer vs OnboardAssistant

The clearest difference is price: OnboardAssistant at Free against T Minus sailing timer's $0.99. T Minus sailing timer's advantage is chart position (#188 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

OnboardAssistant is free to download; T Minus sailing timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

T Minus sailing timer ships an update every 2 months, OnboardAssistant every 5 weeks. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | T Minus sailing timer | OnboardAssistant |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#188** | — |
| Size | 1 MB | 37 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Miller](https://appshunter.io/developer/1619391784) | [SailingPerformance S.L](https://appshunter.io/developer/1707356280) |

## What reviewers say

### T Minus sailing timer

[App page](https://appshunter.io/ios/app/t-minus-sailing-timer/id1619391782)

**Currently charting:** #188 Top Paid · Sports (US App Store)

This app provides a continuous countdown for sailing races, with customizable sound signals and voice readouts. It offers two distinct modes for competitors and race committees, including features like quick postponement and a repeat option for race management.

**Highlights:** Advance start time setting, Repeat option for race committees, Competitor mode (minimal interface), Committee mode (time to start/next signal), Configurable sound signals, Voice readouts, Quick postpone feature

**Features:** Vision Pro support

**In-app purchases:** none


### OnboardAssistant

[App page](https://appshunter.io/ios/app/onboardassistant/id6466410500)

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

**In-app purchases:** none


## Frequently asked questions

### Is T Minus sailing timer free?

T Minus sailing timer costs $0.99, with no in-app purchases.

### Is OnboardAssistant free?

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

### Do T Minus sailing timer or OnboardAssistant have ads?

Neither T Minus sailing timer nor OnboardAssistant shows ads.

### Which is updated more often, T Minus sailing timer or OnboardAssistant?

T Minus sailing timer ships an update every 2 months, and OnboardAssistant every 5 weeks. Most recently, T Minus sailing timer was updated on October 23, 2026 and OnboardAssistant on October 7, 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.*