Comparison

Set And Drift vs COA Planner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Set And Drift

SAR Current Measurements

CoA planner

About

Set And Drift

Features

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Take Current Measurements using any physical measuring device (e.g. a current stick) Ping the start and end locations, and the Set & Drift app will automatically calculate the Set Direction & Drift Rate of the current. Specify the original Event Time & Location, and the app will estimate the SAR target's approximate location.

About

COA Planner

Features

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COA planner, welke gebruik maakt van wind inzichten, boot koers etc.

Screenshots

Set And Drift2 screens

COA Planner3 screens

Verdict

The call

The clearest difference is iOS requirement: Set And Drift at 17.6 against COA Planner's 26.2. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Set And Drift ships an update every 4 days, COA Planner every 6 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 5 level

Set And Drift versus COA Planner: the parameters behind the verdict, then further details
Parameter	Set And Drift	COA Planner
Price	Free	Free
Update frequency	Every 4 days — better	Every 6 days
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	17.6 — better	26.2
Further details — not scored
Size	2 MB	7 MB
Age rating	4+	4+
Developer	Susanne LEECH	Yormen Gerrits

In-app purchases

None

Set And Drift

No in-app purchases

None

COA Planner

No in-app purchases

Questions

Is Set And Drift free?

Set And Drift is free to download, with no in-app purchases.

Is COA Planner free?

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

Do Set And Drift or COA Planner have ads?

Neither Set And Drift nor COA Planner shows ads.

Which is updated more often, Set And Drift or COA Planner?

Set And Drift ships an update every 4 days, and COA Planner every 6 days. Most recently, Set And Drift was updated on October 16, 2026 and COA Planner on October 2, 2026.