Comparison

Diary Mood Tracker vs Polyai

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

Head to head
About

Diary Mood Tracker

Record your emotions, thoughts, and daily experiences in a private digital space. Express yourself freely through words and custom expressions to create a personal journal of your life's journey.

Highlights
  • Record emotions
  • Daily life journaling
  • Private digital space
  • Custom expressions
  • Express feelings freely
Features
Read full description

Here, we record our lives and communicate A place where you can record your emotions, happy or sad, sour or sweet, anytime and anywhere. This is a small tree hole, listen to all your good and bad. This is a small world that belongs only to you, where you can express your emotions in your own way. Diaries allow people to keep diaries in different ways. Travel in your own small world through homemade expressions and words to keep a diary of your life. Solution, no need to care about others' opinions, no need to cater to others' tastes. The complex and chaotic world

About

Polyai

Features
Read full description

Thoughtful guidance for any question, powered by AI. From tough decisions to everyday dilemmas, PolyAi helps you find clarity with answers that feel personal and practical. Cut through confusion and get advice tailored to your moodβ€”empathetic, direct, humorous, or pragmatic. Save your favorites, track past questions, and upgrade for unlimited insights. Features: Β· Personalized Guidance: Get honest, thoughtful answers across any life situation. Β· Multiple Tones: Choose empathetic, direct, humorous, or pragmatic styles of advice. Β· History & Favorites: Track past questions and save answers you value most. Β· Always Available: Quick advice, 24/7, wherever you are. Β· Upgrade for More: Unlock unlimited questions and deeper insights. β€’ Weekly Subscription β€’ Payment is charged to your iTunes account upon confirmation of purchase. β€’ Subscription automatically renews unless auto-renew is turned off at least 24 hours before the current period ends. β€’ Renewal charge will be applied within 24 hours prior to the end of the current period. β€’ Manage your subscription in your Account Settings. Terms of Use: https://www.whatsgoodapps.com/terms-and-pp/ Privacy Policy: https://www.whatsgoodapps.com/terms-and-pp/ For support or feedback, please contact: SupportP@whatsgoodapps.com

Screenshots

Diary Mood Tracker4 screens
Polyai4 screens

Verdict

The call

The clearest difference is price: Diary Mood Tracker at Free against Polyai's $3.99. Diary Mood Tracker also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). Polyai's advantage is ads (none vs shown). On device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Diary Mood Tracker is free to download; Polyai costs $3.99 up front. Polyai sells 1 in-app purchase, starting at $2.99 per 7 days. Diary Mood Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

Diary Mood Tracker ships an update every 3 weeks, Polyai every 2 months. The most recent releases landed on August 19, 2026 and September 7, 2026 respectively.

Scorecard5 real differences Β· 2 level
Diary Mood Tracker versus Polyai: the parameters behind the verdict, then further details
ParameterDiary Mood TrackerPolyai
PriceFree β€” better$3.99
Update frequencyEvery 3 weeks β€” betterEvery 2 months
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
MonetizationAd-supportedβ€”
DevicesiPhone, iPod β€” betteriPhone
Requires iOS13.0 β€” better16.6
Further details β€” not scored
Size37 MB2 MB
Age rating+174+
DeveloperHONGKONG ADHEROS LIMITEDWhatsGoodApps LLC

In-app purchases

None

Diary Mood Tracker

No in-app purchases

1 purchases

Polyai

Subscriptions1
  • Chat unlimited$2.997 Days

Questions

Is Diary Mood Tracker free?
Diary Mood Tracker is free to download, with no in-app purchases.
Is Polyai free?
Polyai costs $3.99, and also offers in-app purchases.
Do Diary Mood Tracker or Polyai have ads?
Diary Mood Tracker shows ads; Polyai does not.
Which is updated more often, Diary Mood Tracker or Polyai?
Diary Mood Tracker ships an update every 3 weeks, and Polyai every 2 months. Most recently, Diary Mood Tracker was updated on August 19, 2026 and Polyai on September 7, 2026.

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