Comparison

DLR eFlight vs Triangle Test

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

Head to head
About

DLR eFlight

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Die Wissenschaftlerinnen und Wissenschaftler am DLR forschen an zahlreichen Technologien fΓΌr eine umweltschonende Luftfahrt. Lernen Sie mit der Augmented-Reality-App β€žeFlightβ€œ Technologien und AnsΓ€tze kennen, wie an der Vision einer emissionsfreien Luftfahrt von morgen geforscht wird.

About

Triangle Test

Features
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Whether you want to prepare specifically for the pilot test or simply improve your concentration and decision-making skills, the Triangle Test offers you exactly the training you need to become mentally stronger. In this test training, you will encounter colored triangles in different directions and must react quickly and accurately according to clear rules. The principle is simple but challenging: it trains precisely those skills that are also required in cognitive performance and pilot testsβ€”attention, rule application, reaction speed, and perseverance. Thanks to mobile availability, you can practice anytime, anywhereβ€”on the go, during breaks, or in the comfort of your own home. The Triangle Test turns your iPhone or iPad into an effective training tool for your mind. Features β€’ Targeted training for focus, perception, and reaction speed β€’ Ideal for preparing for parts of the pilot test or similar aptitude tests β€’ Simple but scientifically inspired test principle β€’ Clear, intuitive user interface β€’ Local storage and evaluation of your progress β€’ Perfect practice without delays thanks to optimization for iPhone and iPad Whether as a short daily workout or targeted preparation for demanding test procedures, Triangle Test strengthens the mental abilities that really matter. This app is not affiliated with the German Aerospace Center (DLR) and does not replace official test procedures. It was developed independently for training and practice purposes. Please note: Accessing the shown functionality requires an active subscription or a lifetime access. Both can be purchased within the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DLR eFlight4 screens
Triangle Test4 screens

Verdict

The call

The clearest difference is in-app purchases: DLR eFlight at none against Triangle Test's 2. DLR eFlight also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Triangle Test sells 2 in-app purchases, starting at $3.99 per month. DLR eFlight asks for nothing beyond the download.

UpkeepUpdate frequency

DLR eFlight ships an update every 2 days, Triangle Test fortnightly. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

Scorecard3 real differences Β· 3 level
DLR eFlight versus Triangle Test: the parameters behind the verdict, then further details
ParameterDLR eFlightTriangle Test
PriceFreeFree
Update frequencyEvery 2 days β€” betterFortnightly
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS12.0 β€” better17.6
Further details β€” not scored
Size388 MB16 MB
Age rating4+4+
DeveloperDLR German Aerospace Center e.V.Felix Desiderato

In-app purchases

None

DLR eFlight

No in-app purchases

2 purchases

Triangle Test

Subscriptions1
  • Monthly Access3 Days trial$3.991 Month
One-time1
  • Lifetime Access$5.99

Questions

Is DLR eFlight free?
DLR eFlight is free to download, with no in-app purchases.
Is Triangle Test free?
Triangle Test is free to download, with in-app purchases available.
Do DLR eFlight or Triangle Test have ads?
Neither DLR eFlight nor Triangle Test shows ads.
Which is updated more often, DLR eFlight or Triangle Test?
DLR eFlight ships an update every 2 days, and Triangle Test fortnightly. Most recently, DLR eFlight was updated on September 20, 2026 and Triangle Test on September 10, 2026.

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