# 心情壁纸 vs Hourglass Timer

The clearest difference is price: 心情壁纸 at Free against Hourglass Timer's $0.99. 心情壁纸 also leads on iOS requirement (15.6 vs 17.0). Hourglass Timer's advantage is in-app purchases (none vs 8) and ads (none vs shown). On update cadence and device support there is nothing between them.

心情壁纸 is free to download; Hourglass Timer costs $0.99 up front. 心情壁纸 sells 7 in-app purchases, starting at $6.99 per 7 days. Hourglass Timer asks for nothing beyond the download.

心情壁纸 ships an update every 3 weeks, Hourglass Timer monthly. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 心情壁纸 | Hourglass Timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 205 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INDA TECH PTE. LTD.](https://appshunter.io/developer/1804765203) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### 心情壁纸

[App page](https://appshunter.io/ios/app/aidiy/id6758944579)

Create personalized wallpapers with AI-generated art portraits and video face swaps. Transform your photos into unique designs or use a vast collection of constantly updated HD wallpapers.

**Highlights:** Massive, daily updated HD wallpapers, AI art portrait generation from selfies, DIY wallpaper creation and editing, AI video face swap into movie scenes, Personalized themes and widgets

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| vip | $6.99 | per 7 days |
| VIP | $7.99 | per 7 days |
| vip | $7.99 | per 7 days |
| vip | $9.99 | per 7 days |
| vip | $14.99 | per 3 months |
| vip | $14.99 | per month |
| VIP | $29.99 | per year |


### Hourglass Timer

[App page](https://appshunter.io/ios/app/hourglass-timer-sawaru/id6802140694)

**In-app purchases:** none


## Frequently asked questions

### Is 心情壁纸 free?

心情壁纸 is free to download, with in-app purchases available.

### Is Hourglass Timer free?

Hourglass Timer costs $0.99, with no in-app purchases.

### Do 心情壁纸 or Hourglass Timer have ads?

心情壁纸 shows ads; Hourglass Timer does not.

### Which is updated more often, 心情壁纸 or Hourglass Timer?

心情壁纸 ships an update every 3 weeks, and Hourglass Timer monthly. Most recently, 心情壁纸 was updated on October 8, 2026 and Hourglass Timer on October 18, 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.*