Comparison

JoyKeeper vs ZS Diary

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

Head to head
About

JoyKeeper

Track your emotional journey and preserve life's precious moments with this personal mood and memory companion. It offers intuitive mood tracking, rich memory creation with media, and secure local storage for your private data.

Highlights
  • Intuitive mood tracking
  • Rich memory creation (photos, videos, text)
  • Audio recording for voice memos
  • Secure local data storage
  • User-friendly interface
Features
Read full description

JoyKeeper is your personal mood and memory companion, designed to help you track your emotional journey and preserve life's precious moments. KEY FEATURES: • Intuitive mood tracking with visual mood dial • Create rich memories with photos, videos, and text • Audio recording for voice memos and reflections • Secure local storage of all your personal data • Beautiful, user-friendly interface Whether you're looking to understand your emotional patterns or simply want to preserve special moments, JoyKeeper provides a safe, private space for your thoughts and memories. Your privacy is our priority - all data is stored securely on your device. No cloud storage means your personal moments stay truly personal. Start your journey of mindful reflection and memory keeping today with JoyKeeper. TERMS OF SERVICE: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ZS Diary

This app transforms daily entries into unique, hand-painted illustrations. Track your monthly moods with a visually appealing calendar and share your creations. Offers multiple art styles and language support.

Highlights
  • Illustrated diary entries
  • Monthly mood calendar
  • Multiple illustration styles
  • Sharing capabilities
  • Diary backup and restore
  • Multilingual support
Features
Read full description

A diary that paints your day. Some days are special. Most are quiet at home. ZS Diary treasures both — turning each daily entry into a hand-painted illustration, and gathering a month of moods into a soft calendar. — Features — • Painted Diary Write a short note about your day and choose how you feel. ZS Diary draws it as an illustration in your chosen style. • Mood Calendar Track how a month feels, at a glance. Each day's emotion shimmers as a glass jelly on a soft monthly calendar. • Sharing Share your illustrated diary and mood calendar wherever you like. • Four Illustration Styles Warm — soft, hand-drawn watercolor Pixel — playful retro pixel art Cinematic — emotional, semi-realistic illustration (Vivid only) Painterly — fine art oil painting (Vivid only) • Nine Languages Available in Korean, English, Japanese, Chinese (Simplified/Traditional), Spanish, French, German, and Portuguese (Brazil). • Diary Backup & Restore — Subscriptions — ZS Diary is free to try. New accounts receive 1,500 credits to start drawing right away. Pastel — Monthly or Yearly ZS Diary's standard illustration model, Pastel-exclusive diary covers and styles, and a steady supply of credits each month. Vivid — Monthly or Yearly All ZS Diary illustration models, Vivid-exclusive Cinematic & Painterly styles, the largest credit pool, and limited-edition diary covers (custom photo covers and animated covers). Subscriptions automatically renew until canceled. — Privacy — Your diary stays on your device. Entries and illustrations are stored locally and never uploaded to a server. — From MilkbockLab — ZS Diary is made by MilkbockLab, an independent studio designing soft, considered software for the quiet hours. Privacy Policy: https://milkbock.github.io/zipsoon-legal/privacy-policy-en.html Terms of Use (EULA): https://milkbock.github.io/zipsoon-legal/terms-of-service-en.html Support: hello@milkbocklab.com

Screenshots

JoyKeeper3 screens
ZS Diary4 screens

Verdict

The call

The clearest difference is iOS requirement: ZS Diary at 15.1 against JoyKeeper's 17.5. On price, rating, ratings volume and ads 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. JoyKeeper sells 2 in-app purchases, starting at $2.99 per month and ZS Diary sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for JoyKeeper against 5.0 for ZS Diary. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Scorecard1 real difference · 9 level
JoyKeeper versus ZS Diary: the parameters behind the verdict, then further details
ParameterJoyKeeperZS Diary
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.515.1 — better
Further details — not scored
Size2 MB59 MB
Age rating12+4+
DeveloperNCSTKyounghwan Kang

In-app purchases

2 purchases

JoyKeeper

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Premium14 Days trial$24.991 Year
6 purchases

ZS Diary

Subscriptions4
  • Pastel Monthly$4.991 Month
  • Vivid Monthly$9.991 Month
  • Pastel Yearly$50.991 Year
Show 1 more
  • Vivid Yearly$101.991 Year
One-time2
  • 825 Credits$0.49
  • 2,750 Credits$1.49

Questions

Is JoyKeeper free?
JoyKeeper is free to download, with in-app purchases available.
Is ZS Diary free?
ZS Diary is free to download, with in-app purchases available.
Which has better reviews, JoyKeeper or ZS Diary?
JoyKeeper and ZS Diary are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do JoyKeeper or ZS Diary have ads?
Neither JoyKeeper nor ZS Diary shows ads.

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