# Lumos Diary vs Tailii

The clearest difference is update cadence: Tailii at daily against Lumos Diary's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lumos Diary sells 6 in-app purchases, starting at $2.99 per month and Tailii sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lumos Diary ships an update fortnightly, Tailii daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lumos Diary | Tailii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lumos-diary/id6756621038/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Freemium | — |
| Size | 51 MB | 53 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Shunxi Wanxian Technology Co., Ltd.](https://appshunter.io/developer/1861662971) | [Dinh Quang Trung](https://appshunter.io/developer/1896721621) |

## What reviewers say

### Lumos Diary

[App page](https://appshunter.io/ios/app/lumos-diary/id6756621038)

This app helps you understand yourself better by transforming daily records into insightful visualizations and AI-driven analysis. Capture moments with text, photos, and locations, and track emotional changes over time.

**Highlights:** Quick capture with text, photos, and location, AI-generated titles, tags, and emotion detection, Emotion visualizations based on Plutchik's Wheel, Track emotional trends and patterns, AI-powered mood insights and suggestions, Weekly AI-generated summary letters, Private chat with AI companions

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumos Pro Early-Bird（Monthly） | $2.99 | per month |
| Lumos Pro Monthly | $3.99 | per month |
| Lumos Pro Early-Bird（Quarterly） | $6.99 | per 3 months |
| Lumos Pro Quarterly | $9.99 | per 3 months |
| Lumos Pro Early-Bird（Yearly） | $19.99 | per year |
| Lumos Pro Yearly | $39.99 | per year |


### Tailii

[App page](https://appshunter.io/ios/app/tailii-surprise-countdown/id6790665183)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Events | $9.99 | one-time |


## Frequently asked questions

### Is Lumos Diary free?

Lumos Diary is free to download, with in-app purchases available.

### Is Tailii free?

Tailii is free to download, with in-app purchases available.

### Do Lumos Diary or Tailii have ads?

Neither Lumos Diary nor Tailii shows ads.

### Which is updated more often, Lumos Diary or Tailii?

Lumos Diary ships an update fortnightly, and Tailii daily. Most recently, Lumos Diary was updated on October 30, 2026 and Tailii on October 31, 2026.

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