Comparison

changeis vs Engine

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

Head to head
About

changeis

Features
Read full description

Change is an AI-powered fitness and workout companion for tracking nutrition, building workouts, and staying motivated. Powered by Google's Gemini 3.0 Flash, Change uses AI to help you log meals, plan workouts, and stay on track with your fitness goals. How It Works Change features AI coaching for three areas: Fitness Coaching: Creates personalized workout plans, tracks your exercises (reps, sets, weight), and suggests adjustments when you're plateauing on your fitness progress. Nutrition Logging: Understands natural language for quick food loggingβ€”just say "I ate a burger and fries" or "search for high-protein pasta recipes." Integrates with FatSecret and OpenFoodFacts databases. Motivation & Support: Provides encouragement, finds workout videos, and celebrates your fitness milestones. Features AI-Powered Logging Natural language input: "I ate a burger and fries" or "Create a 4-day workout split" Photo food logging and barcode scanning Recipe search with macro filters Fitness Tracking Log reps, sets, and weight Calorie tracking based on standard fitness formulas (MET values) Workout history and progress monitoring Smart Coaching Fitness plateau detection with workout variation suggestions Wearable data sync from Apple Health (steps, sleep, HRV) Motivational prompts when you need them Why Change? Change combines AI coaching with comprehensive food and workout tracking to help you reach your fitness goals. Download Change and get started today. Privacy Policy: https://baitedinyou.com/privacy-policy-change.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Engine

Features
Read full description

Train Smarter. Run Stronger. Engine is a running companion built to help you boost your VOβ‚‚ max and unlock real endurance gains β€” without guesswork. Through personalized training plans and guided runs, Engine gives you the right workout at the right time, so every session actually moves your fitness forward. Designed for runners who want measurable progress, not random mileage, Engine turns every run into a step toward higher performance and stronger confidence. Features You’ll Love: - VOβ‚‚ Max Running Plans: Get personalized running plans designed specifically to improve your VOβ‚‚ max, endurance, and efficiency. - Guided Run Player: Hit start and let Engine guide your session β€” pace cues, structure, and automatic tracking included. - Clear Performance Insights: Visualize your VOβ‚‚ max, endurance, and consistency with clean stats and easy-to-read trends. - Train With Confidence: Know why you’re running each workout β€” and how it’s pushing your fitness higher. Turn Every Run Into Progress. Each workout has a purpose. No junk miles, no overthinking. Download Engine and watch your fitness rise. Run focused. Build power. Go further. A subscription is required to access the full app experience and features. Terms of Use: https://legal.rocapine.com/terms Privacy policy: https://legal.rocapine.com/privacy

Screenshots

changeis4 screens
Engine4 screens

Verdict

The call

The clearest difference is ads: changeis at none against Engine's shown. changeis also leads on update cadence (every 5 days vs every 10 days). Engine's advantage is iOS requirement (15.1 vs 18.0). On price, in-app purchases 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. changeis sells 1 in-app purchase, starting at $9.99 per month and Engine sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

changeis ships an update every 5 days, Engine every 10 days. The most recent releases landed on September 13, 2026 and September 30, 2026 respectively.

Scorecard3 real differences Β· 3 level
changeis versus Engine: the parameters behind the verdict, then further details
ParameterchangeisEngine
PriceFreeFree
Update frequencyEvery 5 days β€” betterEvery 10 days
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.1 β€” better
Further details β€” not scored
Size88 MB54 MB
Age rating12+4+
DeveloperNikolaj RybakovLes Nants

In-app purchases

1 purchases

changeis

Subscriptions1
  • Premium Sub$9.991 Month
2 purchases

Engine

Subscriptions2
  • Monthly Plan$9.991 Month
  • Yearly Plan7 Days trial$39.991 Year

Questions

Is changeis free?
changeis is free to download, with in-app purchases available.
Is Engine free?
Engine is free to download, with in-app purchases available.
Do changeis or Engine have ads?
Engine shows ads; changeis does not.
Which is updated more often, changeis or Engine?
changeis ships an update every 5 days, and Engine every 10 days. Most recently, changeis was updated on September 13, 2026 and Engine on September 30, 2026.

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