Comparison

CocoLog vs Simple Mood Log

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

Head to head
About

CocoLog

Features
Read full description

This application allows you to easily record your mood and sleep. You can look back with a calendar and graph. Why don't you keep a record and check your pattern objectively? [Sharing function] You can instantly share your records with the "CocoSupporters" app. [Recommended when you...] are feeling down lately. having mood swings. are easily irritated. want to check your mood changes objectively. have an unstable sleep rhythm want to easily record your daily physical condition. want to keep track of what medications you’ve taken. want to check the relationship between mood, appetite and alcohol consumption. want to keep a diary or notes. [Recordable data] ・Morning, afternoon, and evening moods ・Sleep time ・Physical condition ・Medication ・Appetite ・Drinking ・Exercise ・Bathing ・Physiology ・Memo [Premium Plan] Cat Mood Icons ad-free text output PDF output (Graphs by month. Available on iPhone with iOS 15 or later. ) [Other features] Easy search function Reminder function to prevent forgetting to input data No user registration required Dark mode support is easy on the eyes even in dark areas ---------------- License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Simple Mood Log

Easily track your daily mood fluctuations with this intuitive app. Record your feelings, add notes and activities, and gain insights through detailed weekly and monthly analysis graphs. It's designed for quick logging and comprehensive mood tracking.

Highlights
  • Daily mood recording
  • Memo and activity tagging
  • Add past data
  • Weekly/monthly analysis
  • Mood percentage graphs
  • Simple and easy to use
Features
Read full description

An app that allows you to record and analyze your mood on a daily basis. Feeling like your mood is fluctuating a lot lately? Why not try recording your mood changes? The registration process is incredibly simple! Just open the app, select your current mood, and press the save button. For those who want to provide more detailed records, we also offer a memo field and activity tags. Even if you forget to record your mood, you can add past data from the "History" screen, so there's no need to worry.   On the "Analysis" screen, you can check your activities for a week or a month in a ranking format, and view the percentage of different moods in a graph. ● Features ・Simple design and easy to use. ・No bothersome login. ・Detailed analysis of mood changes on the analysis screen. ●Disclaimer This App is not medical or treatment advice. It is neither professional diagnosis, opinion or service – and may not be treated as such by the user. We strongly recommend that you consult your own physician or another available health professional regarding any diagnosis, findings or interpretation. ● Privacy Policy https://apps.seeds-digital.com/privacy-policy/ ● Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CocoLog4 screens
Simple Mood Log4 screens

Verdict

The call

The clearest difference is update cadence: Simple Mood Log at every 3 days against CocoLog'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. CocoLog sells 3 in-app purchases, starting at $0.99 per month and Simple Mood Log sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CocoLog ships an update every 3 weeks, Simple Mood Log every 3 days. The most recent releases landed on September 11, 2026 and August 10, 2026 respectively.

Scorecard1 real difference · 7 level
CocoLog versus Simple Mood Log: the parameters behind the verdict, then further details
ParameterCocoLogSimple Mood Log
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 weeksEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size80 MB51 MB
Age rating4+4+
DeveloperMieko KomatsuNAOYA ONO

In-app purchases

3 purchases

CocoLog

Subscriptions2
  • Monthly Premium$0.991 Month
  • Annual Premium$12.991 Year
One-time1
  • Tip Jar$1.99
2 purchases

Simple Mood Log

Subscriptions1
  • Premium Plan$0.991 Month
One-time1
  • Support Developer$0.99

Questions

Is CocoLog free?
CocoLog is free to download, with in-app purchases available.
Is Simple Mood Log free?
Simple Mood Log is free to download, with in-app purchases available.
Do CocoLog or Simple Mood Log have ads?
Both CocoLog and Simple Mood Log show ads.
Which is updated more often, CocoLog or Simple Mood Log?
CocoLog ships an update every 3 weeks, and Simple Mood Log every 3 days. Most recently, CocoLog was updated on September 11, 2026 and Simple Mood Log on August 10, 2026.

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