Comparison

Katazuke Calendar vs Key2 Wallet

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

Head to head
About

Katazuke Calendar

Features
Read full description

"Katazuke calendar" aiming for simple life Unnecessary items, newly purchased items. It is an application that manages an increasing number of things and displays it in a calendar format. [Main functions] Monthly or yearly calendar for easy registration OK with just the photo. OK even if you enter the brand name and amount in detail Tagging allows you to search later Aggregate by month, brand name, tag Widgets can display counts and photos

About

Key2 Wallet

Unlock a world of luxury, entertainment, and travel with a premium membership. Access exclusive global benefits, curated experiences, and personalized travel itineraries. Discover unique places and enjoy top-tier events, restaurants, and hotels.

Highlights
  • Global network of benefits
  • Exclusive access to events
  • Curated travel experiences
  • Personalized itinerary customization
  • Access to top restaurants and hotels
Features
Read full description

Experience the ultimate lifestyle with KEY2, your passport to a world of luxury, entertainment, and travel. Our membership card, crafted with sophistication and elegance, reflects the luxury you hold in your hand​. Unlock a global network of benefits and gain exclusive access to top-tier events, restaurants, and hotels in the world's major cities​. With KEY2, you gain access to exclusive events, tailored travels, and unforgettable experiences. Our concierge will customize itineraries for you based on your budget, needs, and interests​. Discover unique places and experiences with KEY2. Select from our curated list of experiences that range from art and culture to epic adventures to luxury hotel stays​​.

Screenshots

Katazuke Calendar4 screens
Key2 Wallet4 screens

Verdict

The call

The clearest difference is ads: Key2 Wallet at none against Katazuke Calendar's shown. Key2 Wallet also leads on update cadence (every 9 days vs every 6 weeks). 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

Katazuke Calendar ships an update every 6 weeks, Key2 Wallet every 9 days. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 7 level
Katazuke Calendar versus Key2 Wallet: the parameters behind the verdict, then further details
ParameterKatazuke CalendarKey2 Wallet
PriceFreeFree
Rating—5.0 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 6 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size5 MB12 MB
Age rating4+12+
DeveloperAtsushi EzakiJemx International Ltd.

In-app purchases

None

Katazuke Calendar

No in-app purchases

None

Key2 Wallet

No in-app purchases

Questions

Is Katazuke Calendar free?
Katazuke Calendar is free to download, with no in-app purchases.
Is Key2 Wallet free?
Key2 Wallet is free to download, with no in-app purchases.
Do Katazuke Calendar or Key2 Wallet have ads?
Katazuke Calendar shows ads; Key2 Wallet does not.
Which is updated more often, Katazuke Calendar or Key2 Wallet?
Katazuke Calendar ships an update every 6 weeks, and Key2 Wallet every 9 days. Most recently, Katazuke Calendar was updated on October 29, 2026 and Key2 Wallet on October 8, 2026.

Other comparisons