Comparison

vision.app vs Charge

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

Head to head
About

vision.app

Read full description

vision.app provides a simple and accessible way to check your sight from the comfort of your home. Our application includes intuitive tools designed to help you assess both your near and distance vision capabilities. Key Features: • Near Vision Test: Evaluate your ability to read and focus on close-range objects and text. • Far Vision Test: Screen your distance vision using our optotypes and Voice Recognition. • Simple Interface: Designed for ease of use, allowing you to perform checks in just a few minutes. IMPORTANT NOTICE - INFORMATIONAL USE ONLY This application is not a medical device. It is intended for educational and informational purposes only. This app does not provide medical diagnoses and is not a substitute for professional medical advice, diagnosis, or treatment. If you have concerns about your vision, please consult a qualified eye care professional.

About

Charge

This app helps users build muscle and track fitness progress with custom routines and detailed analytics. Log sets, reps, and weight to monitor strength gains and muscle growth over time. It offers an intuitive interface for efficient workout logging and personalized insights.

Highlights
  • Custom gym routines and workout plans
  • Log sets, reps, and weight
  • Detailed progress charts and analytics
  • Track muscle growth and strength
  • AI Smart Progression
  • Intuitive interface
Features
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Charge is your all-in-one free workout tracker built for serious lifters and casual gym-goers alike. Whether you train at home or in the gym, Charge helps you build muscle, track your progress, and stay consistent. Key Features: • Create and follow custom gym routines and workout plans • Log every set, rep, and weight in your workout log • View your progress with detailed charts and analytics • Track muscle growth and strength over time • Advanced AI Smart Progression Charge is built for lifters who want a clean, powerful weight lifting app without clutter or ads. Whether you’re tracking a work out routine free, following a strength program, or just staying active, Charge keeps your fitness data organized and motivating. Why athletes love Charge: • Intuitive interface • Log workouts in seconds • Real progress tracking and insights • Smart exercise history and 1RM tracking • Personalized stats for every lift Get stronger, stay consistent, and enjoy your fitness journey, one rep at a time. Download Charge today, your free workout tracker for home and gym. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lukeherb.github.io/charge-privacy-policy/

Screenshots

vision.app4 screens
Charge4 screens

Verdict

The call

The clearest difference is in-app purchases: vision.app at none against Charge's 2. Charge's advantage is update cadence (weekly vs every 3 weeks). On price, 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

Both are free to download. Charge sells 2 in-app purchases, starting at $4.99 per month. vision.app asks for nothing beyond the download.

UpkeepUpdate frequency

vision.app ships an update every 3 weeks, Charge weekly. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
vision.app versus Charge: the parameters behind the verdict, then further details
Parametervision.appCharge
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size10 MB71 MB
Age rating17+4+
DeveloperCapital Certainty SLLuke Herb

In-app purchases

None

vision.app

No in-app purchases

2 purchases

Charge

Subscriptions2
  • Monthly Pro Access7 Days trial$4.991 Month
  • Yearly Pro Access$29.991 Year

Questions

Is vision.app free?
vision.app is free to download, with no in-app purchases.
Is Charge free?
Charge is free to download, with in-app purchases available.
Do vision.app or Charge have ads?
Neither vision.app nor Charge shows ads.
Which is updated more often, vision.app or Charge?
vision.app ships an update every 3 weeks, and Charge weekly. Most recently, vision.app was updated on October 18, 2026 and Charge on October 9, 2026.

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