iScoreTimer vs SailViewer Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iScoreTimer
This app provides a versatile timer for sailing regattas, catering to both race committees and competitors. It offers various modes, including options for AP flags, rolling or single starts, and customizable start times. The timer can also include optional horn signals and voice countdowns for enhanced race management.
- Race committee and competitor modes
- AP Flag timing (6 or 4 minutes)
- No AP Flag timing (5 or 3 minutes)
- Rolling or single starts
- Customizable start times
- Optional horn signals and voice countdown
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Timer for race committees and competitors of sailing regattas optionally with voice and signal support offering several modes: - Optional Sync Button: hidden for Race Committee version, visible for Competitor version - With AP Flag (6 or 4 minutes to start) - Without AP Flag (5 or 3 minutes to start) - Rolling starts or single start - In competitor mode, start time can be set for some time in the future (e.g. for pursuit races) - In race committee mode start times can be set for 'Top of the Minute', 'Nearest 5 Minutes', or custom - Optional horn signals and voice countdown Also includes 'Time Lapsed Since Start' for single starts and delayed start feature, e.g. for pursuit races.
SailViewer Timer
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Sailing timer. Speaks time to start. Also can show start line data if line is pinged.
Screenshots
Verdict
The clearest difference is price: SailViewer Timer at Free against iScoreTimer's $1.99. SailViewer Timer also leads on update cadence (every 10 days vs every 2 months). iScoreTimer's advantage is chart position (#200 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
SailViewer Timer is free to download; iScoreTimer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iScoreTimer ships an update every 2 months, SailViewer Timer every 10 days. The most recent releases landed on September 6, 2026 and September 11, 2026 respectively.
| Parameter | iScoreTimer | SailViewer Timer |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #200 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.6 | 17.2 — better |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Rolf Jaeger | Master Sailing jdoo |
In-app purchases
iScoreTimer
No in-app purchases
SailViewer Timer
No in-app purchases
Questions
Is iScoreTimer free?
Is SailViewer Timer free?
Do iScoreTimer or SailViewer Timer have ads?
Which is updated more often, iScoreTimer or SailViewer Timer?
Other comparisons
