changeis vs Engine
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
changeis
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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 loggingβjust 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/
Engine
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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 Youβll 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 youβre running each workout β and how itβs 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
Verdict
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
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.
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.
| Parameter | changeis | Engine |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days β better | Every 10 days |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 88 MB | 54 MB |
| Age rating | 12+ | 4+ |
| Developer | Nikolaj Rybakov | Les Nants |
In-app purchases
changeis
- Premium Sub$9.991 Month
Engine
- Monthly Plan$9.991 Month
- Yearly Plan7 Days trial$39.991 Year








