Comparison

Tag Diary vs Sudden Reminder

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

Head to head
About

Tag Diary

A personal journaling app designed for easy organization and reflection. Capture daily moments, thoughts, and experiences, and retrieve them quickly using customizable tags. Supports multiple diaries and personalized themes.

Highlights
  • Write diary entries
  • Calendar view for navigation
  • Tag entries for organization
  • Browse entries by tags
  • Customizable color themes
  • Multilingual support
  • Create multiple diaries
Features
Read full description

Tag Diary - Your Personal Journaling Companion Tag Diary is a beautifully designed app that makes journaling easy and organized. Whether you want to capture daily moments, reflect on your thoughts, or track specific topics, Tag Diary has everything you need. Key Features: 1) Write Your Diary Entries: Record your daily thoughts, experiences, or plans effortlessly. 2) Calendar View: Easily navigate through your diary with a user-friendly calendar mode. 3) Tag Your Entries: Add tags to your diary entries for better organization and quick retrieval. 4) Browse by Tags: Group and view your entries based on the tags you've added. 5) Customizable Colors: Personalize your diary with a variety of color themes to suit your style. 6) Multilingual Support: Write and use the app in multiple languages for a seamless experience. 7) Create Multiple Diaries: Manage separate diaries for different topics or purposes, keeping your entries well-organized. Start journaling with Tag Diary and keep your memories and thoughts beautifully structured!

About

Sudden Reminder

This app helps you remember important thoughts and intentions by sending gentle, random reminders. Rediscover your feelings, original goals, and words of comfort when you need them most.

Highlights
  • Randomized reminders
  • Recall forgotten thoughts
  • Rediscover intentions
  • Words of comfort
  • Self-encouragement
  • Goal rediscovery
Features
Read full description

Sometimes we think, β€œThis is something I should never forget.” But as time passes, daily life makes us forget. Sudden Reminder quietly brings back the words you left for yourself β€” when you’ve almost forgotten them. Rediscover your feelings, your first intentions, and your words of comfort through gentle, random reminders. Maybe your own words will comfort you again. One day, unexpectedly, they will find their way back to you. Recommended for β€’ Those who don’t want to forget their own promises β€’ Those who want to recall their original intentions in everyday life β€’ Those who seek comfort from their past self in difficult times Use it when β€’ Your determination starts to waver β€’ The day feels meaningless β€’ You want to encourage yourself β€’ You wish to rediscover forgotten goals β€’ You just want your own words to come back to you In unexpected moments, your words will return to you.

Screenshots

Tag Diary4 screens
Sudden Reminder4 screens

Verdict

The call

The clearest difference is price: Tag Diary at Free against Sudden Reminder's $0.99. Sudden Reminder's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 5 weeks). On review sentiment, ads, device support and iOS requirement 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

Tag Diary is free to download; Sudden Reminder costs $0.99 up front. Tag Diary sells 1 one-off in-app purchase. Sudden Reminder asks for nothing beyond the download.

UpkeepUpdate frequency

Tag Diary ships an update every 5 weeks, Sudden Reminder daily. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

Scorecard4 real differences Β· 4 level
Tag Diary versus Sudden Reminder: the parameters behind the verdict, then further details
ParameterTag DiarySudden Reminder
PriceFree β€” better$0.99
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 5 weeksDaily β€” better
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFree with in-app purchases β€” betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 β€” better14.0
Further details β€” not scored
Size94 MB21 MB
Age rating4+9+
DeveloperNerdensGYUGWANG LEE

Customer experience

Tag Diary

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sudden Reminder

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Tag Diary

One-time1
  • Unlimited Diary$1.99
None

Sudden Reminder

No in-app purchases

Questions

Is Tag Diary free?
Tag Diary is free to download, with in-app purchases available.
Is Sudden Reminder free?
Sudden Reminder costs $0.99, with no in-app purchases.
Do Tag Diary or Sudden Reminder have ads?
Neither Tag Diary nor Sudden Reminder shows ads.
Which is updated more often, Tag Diary or Sudden Reminder?
Tag Diary ships an update every 5 weeks, and Sudden Reminder daily. Most recently, Tag Diary was updated on November 4, 2026 and Sudden Reminder on November 9, 2026.

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