Comparison

DECC vs Euler VS

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

Head to head
About

DECC

Features
Read full description

Getting To The DECC The Doha Exhibition and Convention Center is located in West Bay, the heart of Doha's business district, and whether you are arriving from the airport, or visiting our venue from within Qatar, reaching the DECC has never been easier. For Your Convenience To cater to the leisure and business needs of visitors, the venue is complemented by a 9,000 m² foyer area, offering a range of amenities. Places To Eat International and local food & beverage outlets are located at the foyer & inside halls. For the location and opening days/hours of a specific F&B outlet. Where To Stay With more than 15 hotels providing 4,000+ rooms, as well as major attractions, a world-class museum and restaurants within a short distance, the Doha Exhibition and Convention Center offers a combination of luxury and convenience.

About

Euler VS

Explore a dynamic world of geometric art and visual synthesis with interactive touch controls. Design and play with harmonic motion and color systems, with options to expand your library through in-app purchases. Sync your creations from macOS for a seamless experience.

Highlights
  • Interactive geometric art
  • Harmonic motion exploration
  • Touch-driven visual synthesis
  • 24 professional presets
  • In-app preset packs
  • Tap Tempo feature
  • iCloud sync with macOS
Features
Read full description

Discover a living world of harmonic motion, geometric art, and interactive visual synthesis. Euler VS Player brings the expressive visuals of the macOS app to your iPhone and iPad in a streamlined, touch-driven experience built for exploration, performance, and play. Play Anywhere. Create on macOS. Euler VS Player includes 24 professionally crafted presets, each showcasing unique combinations of periodic functions, harmonic oscillators, geometric transformations, and color systems. Interact with any shape using simple touch gestures to explore animations in real time. Design your own presets using Euler Visual Synthesizer for macOS, organize them into banks, for synchronization with your iOS device through iCloud. Preset Packs and Performance Tools Expand your library with premium professionally designed preset banks available as in-app purchases. For performance and live play, you can tap along to music using the built-in Tap Tempo feature. Tempo-enabled presets will pulse and animate in time with your rhythm. A fully automatic mode is also included, allowing Euler VS Player to cycle through all presets in a bank hands-free. Important Note Euler VS Player is an interactive visual tool. It does not react to external audio input. Tempo-based modulation is controlled manually using Tap Tempo or through automatic playback options.

Screenshots

DECC2 screens
Euler VS4 screens

Verdict

The call

The clearest difference is in-app purchases: DECC at none against Euler VS's 2. DECC also leads on update cadence (every 6 weeks vs every 8 months) and iOS requirement (12.0 vs 15.2). On price, 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

Both are free to download. Euler VS sells 2 one-off in-app purchases. DECC asks for nothing beyond the download.

UpkeepUpdate frequency

DECC ships an update every 6 weeks, Euler VS every 8 months. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
DECC versus Euler VS: the parameters behind the verdict, then further details
ParameterDECCEuler VS
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 6 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple TV — better
Requires iOS12.0 — better15.2
Further details — not scored
Size23 MB12 MB
Age rating4+4+
DeveloperXpertAllOneWord Software LLC

In-app purchases

None

DECC

No in-app purchases

2 purchases

Euler VS

One-time2
  • Townsend '94 Bank$0.99
  • King St. Garage$0.99

Questions

Is DECC free?
DECC is free to download, with no in-app purchases.
Is Euler VS free?
Euler VS is free to download, with in-app purchases available.
Do DECC or Euler VS have ads?
Neither DECC nor Euler VS shows ads.
Which is updated more often, DECC or Euler VS?
DECC ships an update every 6 weeks, and Euler VS every 8 months. Most recently, DECC was updated on September 20, 2026 and Euler VS on September 23, 2026.

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