# Smart Mood Journal vs Ninja Performance Center

The clearest difference is in-app purchases: Ninja Performance Center at none against Smart Mood Journal's 1. Smart Mood Journal's advantage is update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Mood Journal sells 1 one-off in-app purchase. Ninja Performance Center asks for nothing beyond the download.

Smart Mood Journal ships an update every 2 days, Ninja Performance Center weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart Mood Journal | Ninja Performance Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/smart-mood-journal/id6448320795/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gary Cox](https://appshunter.io/developer/1083086974) | [NINJA PERFORMANCE CENTER EOOD](https://appshunter.io/developer/1874628865) |

## What reviewers say

### Smart Mood Journal

[App page](https://appshunter.io/ios/app/smart-mood-journal/id6448320795)

This app helps you monitor your emotions and thoughts to improve your emotional well-being. Log your mood with emojis and notes, add photos to entries, and analyze trends over time with interactive charts. It offers custom reminders and secure on-device storage for your private journal.

**Highlights:** Photo journaling, Quick mood logging, Mood analysis and trends, Custom reminders, Secure on-device storage, Journal search

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Emojis | $2.99 | one-time |


### Ninja Performance Center

[App page](https://appshunter.io/ios/app/ninja-performance-center/id6758730112)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Mood Journal free?

Smart Mood Journal is free to download, with in-app purchases available.

### Is Ninja Performance Center free?

Ninja Performance Center is free to download, with no in-app purchases.

### Do Smart Mood Journal or Ninja Performance Center have ads?

Neither Smart Mood Journal nor Ninja Performance Center shows ads.

### Which is updated more often, Smart Mood Journal or Ninja Performance Center?

Smart Mood Journal ships an update every 2 days, and Ninja Performance Center weekly. Most recently, Smart Mood Journal was updated on October 24, 2026 and Ninja Performance Center on October 28, 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.*