Comparison

CORE40 AMSTERDAM vs Double Shift

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

Head to head

About

CORE40 AMSTERDAM

Features

Read full description

Download the CORE40 Amsterdam App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today! Check out our website at core40.nl for more info.

About

Double Shift

Features

Read full description

Download the Double Shift App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!

Screenshots

CORE40 AMSTERDAM3 screens

Double Shift3 screens

Verdict

The call

The clearest difference is ads: CORE40 AMSTERDAM at none against Double Shift's shown. Double Shift's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, in-app purchases and device support 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

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level

CORE40 AMSTERDAM versus Double Shift: the parameters behind the verdict, then further details
Parameter	CORE40 AMSTERDAM	Double Shift
Price	Free	Free
Update frequency	Every 5 weeks	Every 5 weeks
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.0	14.0 — better
Further details — not scored
Size	195 MB	123 MB
Age rating	4+	4+
Developer	CORE40 CENTRUM B.V.	The Turn Holding BV

In-app purchases

None

CORE40 AMSTERDAM

No in-app purchases

None

Double Shift

No in-app purchases

Questions

Is CORE40 AMSTERDAM free?

CORE40 AMSTERDAM is free to download, with no in-app purchases.

Is Double Shift free?

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

Do CORE40 AMSTERDAM or Double Shift have ads?

Double Shift shows ads; CORE40 AMSTERDAM does not.

Which is updated more often, CORE40 AMSTERDAM or Double Shift?

CORE40 AMSTERDAM ships an update every 5 weeks, and Double Shift every 5 weeks. Most recently, CORE40 AMSTERDAM was updated on October 9, 2026 and Double Shift on October 3, 2026.