Comparison

DA20 Checklist vs Cocbases

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

Head to head
About

DA20 Checklist

This app provides digital checklists for the DA20 aircraft, designed for flight simulator enthusiasts. It offers a paperless cockpit experience with standard operating procedures and an intuitive interface for marking completed items. Features include dark mode and optimization for both iPhone and iPad.

Highlights
  • DA20 standard operating checklists
  • Paperless cockpit experience
  • Simple and intuitive interface
  • Check marking system
  • Dark Mode
  • iPhone and iPad optimized
Features
Read full description

*** This app is for entertainment purposes only! We are not affiliated with Diamond or any airline *** The DA20 Katana Checklist app brings a paperless cockpit straight to your palm. Checklists are complete for standard operations of the DA20 aircraft. This app is ideally suited for pilots flying on Flight Simulators at home, especially for professional grade Flight Simulator add-ons. 
Features: - DA20 standard operating checklists - Very simple and intuitive interface - Simple check marking system to mark completed items - Fully optimised with native layouts on all iPhones - iPad optimised - Fly by night with Dark Mode

About

Cocbases

Discover and select the perfect village layout with advanced filtering options. Find strategic designs for war, farming, trophy pushing, and more, catering to various Town Hall and Builder Hall levels. Enhance your defense and resource protection to dominate opponents.

Highlights
  • Filter-based base layout selection
  • War, hybrid, trophy, and farming bases
  • Town Hall and Builder Hall layouts
  • Progress and Clan War League bases
  • Anti-hero and anti-attack designs
  • Symmetrical and asymmetrical layouts
Features
Read full description

Our app offers a filter-based model, allowing effortless selection of town hall levels and various filters for the perfect base layout. COCBases covers war bases, hybrid bases, trophy bases, farming bases, and more. Please note that our extensive collection of base layouts is available for Town Halls and Builder Halls from level 4 and above, offering a range of strategic options. COCBases provides an extensive range of base designs catering to different playstyles and objectives. Defend against attacks with our war bases, maintain a balance of defense and resource protection with hybrid bases, climb the leaderboard with trophy bases, and optimize resource collection with farming bases. Progress bases assist in upgrading structures and troops, while bases optimized for Clan War Leagues help secure victory and climb the ranks. Anti-Queen Walk and anti-Queen Charge bases counter hero attacks, while bases tailored to ground and air threats fortify defenses against any assault. Choose from symmetrical bases for aesthetic appeal or unleash surprise with asymmetrical layouts. With COCBases, you'll never run out of inspiration. Download our app now and become the master of your village - dominate enemies, protect resources, and rise to glory with the ultimate Clash of Clans base layout collection! Disclaimer: Cocbases is not affiliated, endorsed, sponsored, or specifically approved by Supercell. The use of trademarks and other intellectual property is subject to the Supercell Fan Kit Agreement. (www.supercell.com/fan-content-policy) End user license agreement: https://cocbases.com/end-user-licence-agreement/

Screenshots

DA20 Checklist4 screens
Cocbases4 screens

Verdict

The call

The clearest difference is price: Cocbases at Free against DA20 Checklist's $2.99. Cocbases also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (13.0 vs 17.5). DA20 Checklist's advantage is in-app purchases (none vs 3) and review sentiment (100% vs 69%). On ads 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

Cocbases is free to download; DA20 Checklist costs $2.99 up front. Cocbases sells 3 in-app purchases, starting at $0.99 per month. DA20 Checklist asks for nothing beyond the download.

UpkeepUpdate frequency

DA20 Checklist ships an update every 3 months, Cocbases every 6 weeks. The most recent releases landed on August 29, 2026 and September 12, 2026 respectively.

Scorecard6 real differences · 4 level
DA20 Checklist versus Cocbases: the parameters behind the verdict, then further details
ParameterDA20 ChecklistCocbases
Price$2.99Free — better
Rating—4.5 (71 ratings) — better
Positive reviews100.0% of reviews — better68.8% of reviews
Number of ratings—71 — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.513.0 — better
Further details — not scored
Size4 MB56 MB
Age rating4+4+
DeveloperLukasz MusialPurushotham Baskarla

Customer experience

DA20 Checklist

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Cocbases

All ratings71 ratings
Positive88.7%
Neutral2.8%
Negative8.5%
Written reviews16 reviews
Positive68.8%
Neutral12.5%
Negative18.8%

In-app purchases

None

DA20 Checklist

No in-app purchases

3 purchases

Cocbases

Subscriptions2
  • One Month$0.991 Month
  • One Year$7.991 Year
One-time1
  • Life Time$14.99

Questions

Is DA20 Checklist free?
DA20 Checklist costs $2.99, with no in-app purchases.
Is Cocbases free?
Cocbases is free to download, with in-app purchases available.
Do DA20 Checklist or Cocbases have ads?
Neither DA20 Checklist nor Cocbases shows ads.
Which is updated more often, DA20 Checklist or Cocbases?
DA20 Checklist ships an update every 3 months, and Cocbases every 6 weeks. Most recently, DA20 Checklist was updated on August 29, 2026 and Cocbases on September 12, 2026.

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