# Tag Diary vs Sudden Reminder

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.

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.

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.

## The numbers

| Metric | Tag Diary | Sudden Reminder |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 94 MB | 21 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Nerdens](https://appshunter.io/developer/1684598835) | [GYUGWANG LEE](https://appshunter.io/developer/1759390812) |

## What reviewers say

### Tag Diary

[App page](https://appshunter.io/ios/app/tag-diary-a-diary-with-tags/id6740507536)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Diary | $1.99 | one-time |


### Sudden Reminder

[App page](https://appshunter.io/ios/app/sudden-reminder/id6754346008)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*