Comparison

NutritionFactor vs Emotion Diary

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

Head to head
About

NutritionFactor

Features
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You can search for nutrients in ingredients. When you are on a diet or doing muscle training, you eat with a nutritional balance in mind. If you use a food ingredient search app, you can easily find out which ingredients have the nutrients you need.

About

Emotion Diary

Features
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Why not record your daily emotions and tune into your heart's rhythm? "Emotion Diary" is a simple and cute emotional tracker app that lets you record your daily moods and events with intuitive operations. [Main Features] โ–  Record in 3 Seconds Simply choose the icon that matches your current mood to complete your entry. You can easily add short notes and tags. It's effortless to keep up, even in your busy daily life. โ–  "Visualize" Your Emotions Your recorded data is automatically reflected in beautiful graphs and calendars. Discover emotional patterns and trends you might not have noticed, such as "I felt happy often this week" or "I tend to feel down on weekends." โ–  Daily "Challenges" The app proposes small, positive action goals for your mental health, like "Meditate for 5 minutes," "Look up at the sky," or "Write down three things you are grateful for." Check them off when achieved to boost your self-esteem and build healthy habits. โ–  Beautiful Theme Colors Change the app's theme color to match your mood or preference for the day. Enjoy keeping your diary with a design that is uniquely yours. โ–  Secure Privacy Protection Equipped with a PIN code (passcode) lock function. Your precious emotional records are stored locally on your device, so you don't have to worry about prying eyes. [Recommended for] People who want to keep a diary but find writing long texts difficult Those who want to manage their mental health and self-care People who easily feel stressed or anxious Those who want to understand the causes of their mood swings People who want to build positive daily habits Start a new day with "Emotion Diary," the app that stays close to your heart.

Screenshots

NutritionFactor4 screens
Emotion Diary4 screens

Verdict

The call

The clearest difference is ads: NutritionFactor at none against Emotion Diary's shown. NutritionFactor also leads on update cadence (every 2 weeks vs every 5 weeks). Emotion Diary's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NutritionFactor ships an update every 2 weeks, Emotion Diary every 5 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard4 real differences ยท 2 level
NutritionFactor versus Emotion Diary: the parameters behind the verdict, then further details
ParameterNutritionFactorEmotion Diary
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterEvery 5 weeks
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS16.412.0 โ€” better
Further details โ€” not scored
Size20 MB32 MB
Age rating17+4+
DeveloperYuji SudaRyosuke Yoshioka

In-app purchases

None

NutritionFactor

No in-app purchases

None

Emotion Diary

No in-app purchases

Questions

Is NutritionFactor free?
NutritionFactor is free to download, with no in-app purchases.
Is Emotion Diary free?
Emotion Diary is free to download, with no in-app purchases.
Do NutritionFactor or Emotion Diary have ads?
Emotion Diary shows ads; NutritionFactor does not.
Which is updated more often, NutritionFactor or Emotion Diary?
NutritionFactor ships an update every 2 weeks, and Emotion Diary every 5 weeks. Most recently, NutritionFactor was updated on November 3, 2026 and Emotion Diary on October 28, 2026.

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