Comparison

Draft AI vs Engine Displacement Calc

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

Head to head
About

Draft AI

This AI-powered companion offers real-time strategic advice for hero selection and in-game builds in Dota 2. It analyzes drafts, suggests counter-picks, and provides dynamic build guidance to improve your win probability.

Highlights
  • AI-powered draft analysis
  • Instant visual hero recognition
  • Dynamic item builds and strategy
  • Counter pick engine
  • Hero database with stats
  • Performance tracking
  • Real-time meta data analysis
Features
Read full description

Stop losing games at the draft screen! Draft AI is your ultimate strategic companion for Dota 2, powered by advanced artificial intelligence. Whether you are a Guardian or an Immortal, our engine helps you pick the perfect heroes to counter your enemies and synergize with your team. CORE FEATURES: INTELLIGENT DRAFT ANALYSIS Instantly calculate your team's win probability based on real-time meta data. Identify weak links and discover the "God Tier" pick that secures the game. INSTANT VISUAL RECOGNITION No need to type manually. Simply snap a photo of your monitor or upload a screenshot of the pick screen. Our computer vision engine identifies heroes in milliseconds. DYNAMIC BUILDS & STRATEGY Get game-specific advice. We don't just tell you what to buy; we tell you WHY. Get laning tips, power spike analysis, and item timings tailored to your specific matchup. COUNTER PICK ENGINE Enemy picked Meepo or Tinker? Find the absolute hardest counters instantly. Never get cheese-picked again. HERO DATABASE (WIKI) Access detailed stats, attribute gains, and lore for every hero. Always updated for the latest 7.35+ patches.TRACK YOUR PERFORMANCE Save your drafts and track your win rate trends over time. Visualize your improvement with our "Battle Trend" charts. UPGRADE TO COMMANDER Unlock unlimited daily analysis, deep tactical insights, and exclusive pro features to maximize your MMR gain. Privacy Policy: https://open-vole-df1.notion.site/Privacy-Policy-2b8015a393e78024a32aea8a8140c57f Terms of Use: https://open-vole-df1.notion.site/Terms-of-Use-Subscription-Agreement-2bc015a393e7803ca197c318448ab90e Disclaimer:
This app is a fan-made guide and is not created, sponsored, or endorsed by Valve Corporation. This app is not an official app or connected to the game's developer or publisher. All in-game descriptions, characters, locations, imagery and videos of game content are copyright and are trademarked to their respective owners and usage for this game guide falls within fair use guidelines. Dota 2 is a registered trademark of Valve Corporation.

About

Engine Displacement Calc

Features
Read full description

Need to know the exact displacement of an engine build before ordering parts? Whether you are verifying a crate motor, sizing a swap, or checking class compliance, this app calculates total engine displacement from bore, stroke, and cylinder count in seconds. Supports metric (mm) and imperial (inches). Shows total volume in cc, liters, and cubic inches. Includes bore/stroke ratio analysis with square, oversquare, and undersquare classification. FEATURES: - Enter bore diameter, stroke length, and number of cylinders - Instant per-cylinder and total displacement - Output in cc, liters, and cubic inches simultaneously - Bore/stroke ratio with automatic classification - Metric and imperial unit toggle - Works completely offline Perfect for engine builders, mechanics, race teams, and automotive enthusiasts who need accurate displacement figures on the spot.

Screenshots

Draft AI4 screens
Engine Displacement Calc3 screens

Verdict

The call

The clearest difference is price: Draft AI at Free against Engine Displacement Calc's $4.99. Engine Displacement Calc's advantage is in-app purchases (none vs 3). On 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

Draft AI is free to download; Engine Displacement Calc costs $4.99 up front. Draft AI sells 3 in-app purchases, starting at $3.99 per 7 days. Engine Displacement Calc asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Draft AI versus Engine Displacement Calc: the parameters behind the verdict, then further details
ParameterDraft AIEngine Displacement Calc
PriceFree — better$4.99
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequency—Every 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size15 MB1 MB
Age rating9+4+
DeveloperTao ChengShanghai Sheyuan Network Technology Co., Ltd.

In-app purchases

3 purchases

Draft AI

Subscriptions3
  • DraftAI Pro - Weekly$3.997 Days
  • DraftAI Pro - Monthly$12.991 Month
  • DraftAI Pro - Yearly$39.991 Year
None

Engine Displacement Calc

No in-app purchases

Questions

Is Draft AI free?
Draft AI is free to download, with in-app purchases available.
Is Engine Displacement Calc free?
Engine Displacement Calc costs $4.99, with no in-app purchases.
Do Draft AI or Engine Displacement Calc have ads?
Neither Draft AI nor Engine Displacement Calc shows ads.

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