Comparison

ChartDay vs Meetrics

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

Head to head
About

ChartDay

Track daily habits, health, and fitness with interactive charts. Offers instant statistics, goal setting, and data export. Syncs across devices and provides home screen widgets for quick access.

Highlights
  • Daily tracking with interactive charts
  • Instant statistical calculations
  • Goal setting with target lines
  • Tagging and filtering for organization
  • Home screen widgets
  • iCloud sync across devices
  • Data export to CSV
Features
Read full description

Track your daily habits, health, fitness, and more — visualized in beautiful, interactive charts. ◉ Key Features ・Daily Tracking Made Simple  Enter a number each day and watch your progress unfold as a chart.  View trends by week or month at a glance. ・Instant Stats  Automatic calculations for sum, count, min, max, mean, and median — always up to date. ・Set Goals & Stay Motivated  Add a target line or range directly on your chart to keep your objectives in sight. ・Tags & Filtering  Organize entries with custom tags and filter your chart by any combination. ・Home Screen Widgets  Check your latest data without opening the app.  Tap the widget to jump straight to data entry. ・iCloud Sync  Your charts stay safe and in sync across all your devices. ・Multi-Entry Mode  Record multiple data points per day with timestamps on a single chart.  Ideal for tracking walks, meals, workouts, or anything that happens more than once a day. ・Data Export  Export any chart as a CSV file whenever you need it. ・Private & Ad-Free  No ads, no tracking, no data collection. Your data belongs to you. ◉ ChartDay Unlimited (In-App Purchase) Unlock unlimited chart creation with a one-time purchase. Try it free first — add up to 100 data points before deciding.

About

Meetrics

Features
Read full description

Meetrics is a personal metrics tracker built for curious people who want to understand themselves through data. Log anything that matters to you — weight, mood, sleep, grades, habits, workouts, or any custom metric — and explore how it changes over time. TRACK ANYTHING • Numeric, binary (yes/no), and text entries • Organize everything with tags and optional units • Quick-log with your most-used tags • Auto-import data from Apple Health PRIVACY FIRST All your data lives on your device. Nothing is shared or sold. The AI Analyst only accesses your data when you explicitly use it. EXPLORE YOUR DATA • Beautiful charts with daily and hourly bucketing • Heatmap calendar showing activity at a glance • Streak tracking for habits and binary metrics • Rolling averages and outlier filtering • Bayesian success-rate estimation for binary data DISCOVER CORRELATIONS • Compare any two metrics side by side • Adjustable lag analysis — does sleep affect mood the next day? • Hourly, 4-hour, and daily bucket sizes • Gap-filling for sparse datasets AI ANALYST — PREMIUM • Daily insight cards: trends, correlations, and anomalies surfaced automatically • Chat with an AI that has full access to your data and answers in plain language • Ask anything: "What predicts my mood?" or "How am I trending this month?" • Conversation history persists across sessions PRIVACY https://github.com/sergeybok/meetrics-support/blob/main/PRIVACY.md EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ChartDay4 screens
Meetrics4 screens

Verdict

The call

The clearest difference is update cadence: Meetrics at every 4 days against ChartDay's every 3 weeks. On price, ads, in-app purchases 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. ChartDay sells 1 one-off in-app purchase and Meetrics sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ChartDay ships an update every 3 weeks, Meetrics every 4 days. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 9 level
ChartDay versus Meetrics: the parameters behind the verdict, then further details
ParameterChartDayMeetrics
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.2 — better17.0
Further details — not scored
Size2 MB5 MB
Age rating4+12+
DeveloperFu NiSergiy Bokhnyak

In-app purchases

1 purchases

ChartDay

One-time1
  • ChartDay Unlimited$1.99
2 purchases

Meetrics

Subscriptions2
  • Meetrics Premium Monthly7 Days trial$19.991 Month
  • Meetrics Premium Annual$179.991 Year

Questions

Is ChartDay free?
ChartDay is free to download, with in-app purchases available.
Is Meetrics free?
Meetrics is free to download, with in-app purchases available.
Do ChartDay or Meetrics have ads?
Neither ChartDay nor Meetrics shows ads.
Which is updated more often, ChartDay or Meetrics?
ChartDay ships an update every 3 weeks, and Meetrics every 4 days. Most recently, ChartDay was updated on June 1, 2026 and Meetrics on September 20, 2026.

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