Comparison

Rallycheck vs KLM Open

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

Head to head

About

Rallycheck

Features

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The Rallycheck app replaces all rally passage controls, time controls, etc. with digital passage and time controls using GPS positioning. The Rallycheck app displays these controls on the screen of your smartphone, you decide whether you want save the control. The control is displayed when you are in the immediate vicinity of the waypoint where the rally organization has placed a control. Rallycheck ensures that you will never again miss a route control. All controls are digitally recorded and this means that your rally organization has direct access to the rally results.

About

KLM Open

Features

Read full description

Great golf, good times. Wil jij niks missen van het KLM Open? Het grootste internationale golfevenement in Nederland vindt dit jaar plaats van 4 – 7 juni 2026 op The International bij Amsterdam. De app bevat onder andere: - De homepagina met de leukste nieuwtjes - De mogelijkheid om jouw KLM Open-tickets toe te voegen aan je persoonlijke wallet, zo hoef je nooit lang te zoeken! - Informatie over de deelnemers en starttijden - Informatie over de holes - Informatie over de partners & sponsoren die dit evenement mogelijk maken - Informatie over de bereikbaarheid van het terrein - Live ‘Leaderboard’, blijf op de hoogte van jouw favoriet

Screenshots

Rallycheck4 screens

KLM Open4 screens

Verdict

The call

The clearest difference is ads: Rallycheck at none against KLM Open's shown. Rallycheck also leads on update cadence (every 2 weeks vs every 2 months). On price, 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

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

Rallycheck ships an update every 2 weeks, KLM Open every 2 months. The most recent releases landed on September 11, 2026 and May 17, 2026 respectively.

Scorecard2 real differences · 4 level

Rallycheck versus KLM Open: the parameters behind the verdict, then further details
Parameter	Rallycheck	KLM Open
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 2 months
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.6 — better	16.6
Further details — not scored
Size	31 MB	93 MB
Age rating	4+	4+
Developer	iSource BV	TIG Sports B.V.

In-app purchases

None

Rallycheck

No in-app purchases

None

KLM Open

No in-app purchases

Questions

Is Rallycheck free?

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

Is KLM Open free?

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

Do Rallycheck or KLM Open have ads?

KLM Open shows ads; Rallycheck does not.

Which is updated more often, Rallycheck or KLM Open?

Rallycheck ships an update every 2 weeks, and KLM Open every 2 months. Most recently, Rallycheck was updated on September 11, 2026 and KLM Open on May 17, 2026.