Comparison

Daily Data Tracker vs 成友笔记

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

Head to head
About

Daily Data Tracker

Easily record and track personal daily metrics like weight, blood pressure, or child's growth. Customize data categories, visualize trends with charts, and set reminders to build good habits. Securely store all your information locally.

Highlights
  • Customizable data categories
  • Visualize trends with charts
  • Data export, backup, and recovery
  • Built-in reminder function
  • Local data storage
Features
Read full description

A lightweight data management tool that helps you conveniently record and track important daily metrics. Whether it’s weight, blood pressure, temperature, or your child’s height and exercise data, you can define your own categories and manage them with ease and flexibility. The app features built-in category management, allowing you to add, edit, and modify data easily. All records are securely stored in a local database. With visualized charts, you can clearly observe trends and changes in your data—putting your health and life in your hands. Key Features: • Customize data types and freely record all kinds of daily data • Automatically generate data curves to visualize trends • Support for data export, backup, and recovery • Built-in reminder function to help form good recording habits Make Data Journal your daily life assistant—take control of your data, starting now. Terms of Use (EULA): https://www.animesdata.com/apps/ddt/terms Privacy Policy: https://www.animesdata.com/apps/policy

About

成友笔记

Features
Read full description

Chengyou Notes - Capture Life, Preserve Moments Write it down now, cherish it forever. Chengyou Notes is a simple and warm personal note-taking app. Whether it's inspiration, daily lists, or meaningful emotions and moments, everything can be carefully saved and revisited here. [Focused Writing] A clean and distraction-free editor helps you focus on what matters. Pin important notes for quick access and more efficient recording. [Time Capsule] Record important moments in life. Birthdays, anniversaries, countdowns, and more are gently reminded and remembered. [iCloud Sync] Your data belongs only to you. All notes are stored locally and securely synced through your iCloud account, without any third-party servers. [Privacy Protection] Supports Face ID and Touch ID lock. Your private content stays private. [Themes] Supports light mode, dark mode, and system settings. Comfortable reading experience anytime. [Personalized Reading] Multiple font size options for a better reading experience. [Something More] Chengyou Notes is not just a tool, but a companion for your growth. Moments you write today will shine again in the future.

Screenshots

Daily Data Tracker4 screens
成友笔记4 screens

Verdict

The call

The clearest difference is update cadence: Daily Data Tracker at weekly against 成友笔记's every 17 months. 成友笔记's advantage is iOS requirement (13.0 vs 18.6). 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. Daily Data Tracker sells 1 in-app purchase, starting at $0.99 per month and 成友笔记 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Daily Data Tracker ships an update weekly, 成友笔记 every 17 months. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.

Scorecard2 real differences · 8 level
Daily Data Tracker versus 成友笔记: the parameters behind the verdict, then further details
ParameterDaily Data Tracker成友笔记
PriceFreeFree
Rating3.9 (9 ratings) — better—
Positive reviews40.6% of reviews—
Number of ratings9 — better—
Update frequencyWeekly — betterEvery 17 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size10 MB29 MB
Age rating4+17+
Developer文睿 李Wu Lingli

In-app purchases

1 purchases

Daily Data Tracker

Subscriptions1
  • Premium Monthly Subscription$0.991 Month
1 purchases

成友笔记

One-time1
  • Remove Ads Forever$2.99

Questions

Is Daily Data Tracker free?
Daily Data Tracker is free to download, with in-app purchases available.
Is 成友笔记 free?
成友笔记 is free to download, with in-app purchases available.
Do Daily Data Tracker or 成友笔记 have ads?
Neither Daily Data Tracker nor 成友笔记 shows ads.
Which is updated more often, Daily Data Tracker or 成友笔记?
Daily Data Tracker ships an update weekly, and 成友笔记 every 17 months. Most recently, Daily Data Tracker was updated on September 22, 2026 and 成友笔记 on June 1, 2026.

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