Comparison

klang² vs Creature Journal

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

Head to head

About

klang²

Read full description

20 sound squares turn your ears upside down. Which bird sings? Which composer sounds? Can you put proverbs together and recognize foreign languages? Place your smartphone with the klang² app open in the middle of the table, place a sound square on the reader and listen carefully: Off you go with your acoustic game collection! ATTENTION: This app only works together with 20 sound squares, which are available via klang2.com.

About

Creature Journal

Scan NFC cards to collect unique creatures, uncover their lore, and reveal hidden secrets. This app is designed for all ages and is perfect for events.

Highlights

Scan NFC cards
Collect unique creatures
Discover creature lore
Unlock hidden secrets
Event-specific content

Read full description

Find and scan our NFC cards to collect unique creatures, discover their lore, and unlock hidden secrets. Perfect for all ages! Made for events such as chaos communication congress (c3) in Hamburg. Collect more Creatures at future Events and Chaos Events. (This app was previously called Mystery Journal)

Screenshots

klang²4 screens

Creature Journal4 screens

Verdict

The call

The clearest difference is in-app purchases: Creature Journal at none against klang²'s 10. Creature Journal also leads on update cadence (every 4 days vs every 2 months). On price, ads, 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. klang² sells 10 one-off in-app purchases. Creature Journal asks for nothing beyond the download.

UpkeepUpdate frequency

klang² ships an update every 2 months, Creature Journal every 4 days. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 6 level

klang² versus Creature Journal: the parameters behind the verdict, then further details
Parameter	klang²	Creature Journal
Price	Free	Free
Positive reviews	—	75.0% of reviews
Update frequency	Every 2 months	Every 4 days — better
Ads	No	No
In-app purchases	Yes	No — better
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.6	15.6
Further details — not scored
Size	89 MB	26 MB
Age rating	4+	12+
Developer	Oberlin & Rennertz GmbH	TOBIAS ZINKE

In-app purchases

10 purchases

klang²

One-time10

Klang2 Pro Option 0Free
Klang2 Pro Option 1$0.99
Bundesländer und Hauptstädte$0.99

Show 7 more

Klang2 Pro Option 2$1.99
Klang2 Pro Option 3$3.99
Volkslieder Premium$3.99
Tierisch Menschlich$3.99
Klang2 Pro Option 4$7.99
Klang2 Pro Option 5$11.99
Klang2 Pro Option 6$16.99

None

Creature Journal

No in-app purchases

Questions

Is klang² free?

klang² is free to download, with in-app purchases available.

Is Creature Journal free?

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

Do klang² or Creature Journal have ads?

Neither klang² nor Creature Journal shows ads.

Which is updated more often, klang² or Creature Journal?

klang² ships an update every 2 months, and Creature Journal every 4 days. Most recently, klang² was updated on November 11, 2026 and Creature Journal on November 5, 2026.