Beat Length Calculator vs IODA Optimist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Beat Length Calculator
Calculate beat lengths for dinghy classes quickly and easily. This tool uses course layout, wind speed, and target time for accurate results. It's based on data from sailing experts and other reliable sources.
- Dinghy class beat length calculation
- Course layout input
- Wind speed integration
- Target time setting
- Data-driven accuracy
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Quick & easy calculation of a beat length for many dinghy classes based on course layout, wind speed and target time. Based on data collected by David Campbell-James (https://www.rya.org.uk/racing/running-racing/speed-charts) and other sources (https://starttimerapp.com/beatlength#sources)
IODA Optimist
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Official mobile application of the IODA (International Optimist Dinghy Association) Championships. Live information on all races; constant results updates; daily news, images and videos of the regatta are some of the examples offered by this App to enable you to track down to the minute everything that is going on during every Optimist class major championship. Furthermore, if you wish so, you can receive alerts of any relevant information from any of the races or teams you wish to follow closely. With this App, live the major IODA Major Championships wherever you may be as you had never imagined! 3392
Screenshots
Verdict
The clearest difference is iOS requirement: IODA Optimist at 11.0 against Beat Length Calculator's 15.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 12, 2026 and December 14, 2025 respectively.
| Parameter | Beat Length Calculator | IODA Optimist |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Egor Leonenko | Agencia Interactiva Balear S.L. |
In-app purchases
Beat Length Calculator
No in-app purchases
IODA Optimist
No in-app purchases
Questions
Is Beat Length Calculator free?
Is IODA Optimist free?
Do Beat Length Calculator or IODA Optimist have ads?
Which is updated more often, Beat Length Calculator or IODA Optimist?
Other comparisons
