Comparison

Moodnotes vs Decody

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

Head to head
About

Moodnotes

A private digital journal that allows you to securely store your thoughts, secrets, and memories with a locking mechanism. It offers a clean interface for writing and reflection, ensuring your personal space remains protected.

Highlights
  • Secure locking mechanism
  • Private storage for thoughts and memories
  • Clean writing interface
  • Photo journaling capabilities
  • Auto-renewable subscription options
Features
Read full description

Experience the freedom of expression with our premium Lock Diary. Designed for those who value privacy, this diary features a secure locking mechanism to keep your deepest thoughts, secrets, and personal reflections safe from prying eyes. With a clean interface and secure storage, it’s your personal space to write, reflect, and protect your memories. Subscription Information: Premium Subscription (Auto-Renewable) Weekly Plan: $0.99 per week Monthly Plan: $1.99 per month Yearly Plan: $7.99 per year This is an auto-renewable subscription. Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours prior to the end of the current period at the same price. You can manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://sites.google.com/view/diary-aprivatephotojournal/privacy-policy Terms of Use: https://sites.google.com/view/diary-aprivatephotojournal/terms-of-service

About

Decody

Features
Read full description

Decody turns short dog and cat video moments into easy-to-understand AI behavior interpretations. Choose the moment you are curious about and select up to 10 seconds. Decody reviews visible cues such as posture, expression, movement, tail position, ear movement, and scene context. Key features - Select the exact video segment to analyze - AI interpretations tailored for dogs and cats - Retro game-inspired subtitle video results - Results and guidance in your selected app language - Gems, reward ads, and purchase options - Shareable results for friends and family Decody does not claim to know your pet's exact thoughts. It provides a fun, reference-only interpretation based on visible behavior and context. It is not veterinary advice, medical diagnosis, behavioral diagnosis, or training prescription. Contact a veterinarian first if your pet shows pain, breathing changes, collapse, or other urgent symptoms. Terms of Use: https://aussie-pus.pages.dev/terms-decody/ Privacy Policy: https://aussie-pus.pages.dev/privacy-policy-decody/

Screenshots

Moodnotes4 screens
Decody4 screens

Verdict

The call

The clearest difference is ads: Moodnotes at none against Decody's shown. Moodnotes also leads on update cadence (every 10 days vs every 5 weeks). On price, in-app purchases, 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. Moodnotes sells 6 in-app purchases, starting at $0.99 per 7 days and Decody sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Moodnotes ships an update every 10 days, Decody every 5 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 8 level
Moodnotes versus Decody: the parameters behind the verdict, then further details
ParameterMoodnotesDecody
PriceFreeFree
Rating4.8 (18 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings18 — better—
Update frequencyEvery 10 days — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size141 MB53 MB
Age rating4+4+
DeveloperJabed HasanSEONGKYUNG KIM

In-app purchases

6 purchases

Moodnotes

Subscriptions5
  • Weekly Subscription3 Days trial$0.997 Days
  • Monthly Subscription3 Days trial$0.991 Month
  • Monthly Premium3 Days trial$1.991 Month
Show 2 more
  • Yearly Subscription$7.991 Year
  • Yearly Premium3 Days trial$17.991 Year
One-time1
  • Life time FreeFree
3 purchases

Decody

Subscriptions1
  • Decody Plus Monthly1 Month trial$9.991 Month
One-time2
  • 30 Credits$5.99
  • 60 Credits$9.99

Questions

Is Moodnotes free?
Moodnotes is free to download, with in-app purchases available.
Is Decody free?
Decody is free to download, with in-app purchases available.
Do Moodnotes or Decody have ads?
Decody shows ads; Moodnotes does not.
Which is updated more often, Moodnotes or Decody?
Moodnotes ships an update every 10 days, and Decody every 5 weeks. Most recently, Moodnotes was updated on October 31, 2026 and Decody on November 10, 2026.

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