PatoRepo vs ChartDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PatoRepo
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PatoRepo was developed by listening to various voices from companies that recorded inspection results of factory equipment on paper. At that company, PatoRepo was actually put into operation at the factory, and the daily equipment inspection operation that was done on paper was changed to electronic. With paper, it was difficult to check past inspection records on the spot, and there was the problem that it was not immediately clear whether the value was abnormal. By using PatoRepo, you can easily check past records with graphs, and you can efficiently inspect equipment. In addition, PatoRepo can export the entered data. It can also be used when you need to import it into your company's system for operation, or when you need to output it to Excel and print it on paper. For some companies, storing data in an external cloud system can be difficult for security reasons. Patrepo allows you to complete input and export in your local app without going through the cloud. You can easily install and try it. ## Usage scene It can be used when entering numerical values on a regular basis. For example, you can use it as follows. * You want to perform regular factory equipment inspections and record what you have checked. * You want to record what you have checked in the inspection of infrastructure equipment. * You want to record the numerical value of the result in the management of the experimental result in the laboratory. * You want to record temperature / humidity / equipment values in crop management. * You want to record the number of times each training or practice is performed in sports practice. ## We are responding to such problems and opinions. * I want you to be able to fill in the person who recorded it * I want you to be able to input selection formulas such as weather (sunny, rain, cloudy). * I want to customize the content to be recorded according to my company * I want to notice abnormal values in the record * I want you to understand the omission * I want to know the progress rate of input * Since there are many input items, I want to manage them by grouping them.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: PatoRepo at none against ChartDay's 1. On price, update cadence, ads 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
Both are free to download. ChartDay sells 1 one-off in-app purchase. PatoRepo asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.
| Parameter | PatoRepo | ChartDay |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 17 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | YUKI TANAIKE | Fu Ni |
In-app purchases
PatoRepo
No in-app purchases
ChartDay
- ChartDay Unlimited$1.99









