# 云上的日子 vs Life Engine

The clearest difference is iOS requirement: Life Engine at 15.0 against 云上的日子's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 云上的日子 sells 1 one-off in-app purchase and Life Engine sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

云上的日子 ships an update every 3 days, Life Engine every 6 days. The most recent releases landed on November 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 云上的日子 | Life Engine |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 312 MB | 99 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [航 涂](https://appshunter.io/developer/1789789476) | [Luc Mwansa Shimwansa](https://appshunter.io/developer/6772607208) |

## What reviewers say

### 云上的日子

[App page](https://appshunter.io/ios/app/id6744147611)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 云上的日子终身会员 | $1.99 | one-time |


### Life Engine

[App page](https://appshunter.io/ios/app/life-engine-habit-tracker/id6772616122)

This app transforms habit building into a rewarding experience by gamifying your routine. Earn energy, build streaks, and visualize your progress with a unique brutalist design. It offers smart reminders, custom habits, and motivational feedback to help you achieve your goals.

**Highlights:** Gamified habit completion with XP and streaks, Beautiful brutalist design, Offline-first and private data storage, Unlimited habit categories, Smart reminders and custom habits, Motivational animations, haptics, and sounds, Ready-made routine packs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engine Fuel Monthly | $4.99 | per month |
| Engine Fuel Yearly | $49.99 | per year |
| LifeEngine Pro | $59.99 | one-time |


## Frequently asked questions

### Is 云上的日子 free?

云上的日子 is free to download, with in-app purchases available.

### Is Life Engine free?

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

### Do 云上的日子 or Life Engine have ads?

Neither 云上的日子 nor Life Engine shows ads.

### Which is updated more often, 云上的日子 or Life Engine?

云上的日子 ships an update every 3 days, and Life Engine every 6 days. Most recently, 云上的日子 was updated on November 5, 2026 and Life Engine on October 10, 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.*