# MoodDiary vs SecondWorld

MoodDiary and SecondWorld are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. MoodDiary sells 2 in-app purchases, starting at $0.99 per month and SecondWorld sells 10 in-app purchases, starting at $59.99 per month. Whichever you choose, the download price is not the number that matters.

MoodDiary ships an update every 3 days, SecondWorld every 2 days. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | MoodDiary | SecondWorld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/secondworld-parallel-life/id6796921157/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 487 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [洪卫 潘](https://appshunter.io/developer/467365143) | [Kairo Labs](https://appshunter.io/developer/6794557493) |

## What reviewers say

### MoodDiary

[App page](https://appshunter.io/ios/app/mooddiary-mood-journal/id6793156839)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $9.99 | per year |


### SecondWorld

[App page](https://appshunter.io/ios/app/secondworld-parallel-life/id6796921157)

Create and observe a simulated life unfolding in a realistic city. You can gently influence events, plant wishes, or send anonymous gifts, but the person you imagine will never know you exist. Their life continues even when you're not actively playing.

**Highlights:** Create and observe simulated lives, Gentle influence on life events, Diary entries and social feeds, Dynamic fate engine with seasons, Realistic city environments and finances, Life continues offline

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guardian Pro | $59.99 | per month |
| Guardian Pro Yearly | $599.99 | per year |
| Diamonds ×100 | $0.99 | one-time |
| Diamonds ×525 | $4.99 | one-time |
| Rare Occupation | $5.99 | one-time |
| Custom Occupation | $5.99 | one-time |
| Diamonds ×1080 | $9.99 | one-time |
| Diamonds ×2240 | $19.99 | one-time |
| Diamonds ×5900 | $49.99 | one-time |
| Diamonds ×12500 | $99.99 | one-time |


## Frequently asked questions

### Is MoodDiary free?

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

### Is SecondWorld free?

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

### Do MoodDiary or SecondWorld have ads?

Neither MoodDiary nor SecondWorld shows ads.

### Which is updated more often, MoodDiary or SecondWorld?

MoodDiary ships an update every 3 days, and SecondWorld every 2 days. Most recently, MoodDiary was updated on October 12, 2026 and SecondWorld on October 21, 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.*