# Diary Journal vs Nergy

The clearest difference is in-app purchases: Nergy at none against Diary Journal's 2. Nergy also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Diary Journal sells 2 in-app purchases, starting at $1.99 per month. Nergy asks for nothing beyond the download.

Diary Journal ships an update every 2 months, Nergy weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Diary Journal | Nergy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nergy/id6758839128/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 15 MB | 902 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FiveSheep OU](https://appshunter.io/developer/1725654318) | [Nergy Technologies FZ-LLC](https://appshunter.io/developer/1875244816) |

## What reviewers say

### Diary Journal

[App page](https://appshunter.io/ios/app/diary-journal-zendiary/id6476050451)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $1.99 | per month |
| Pro (Annually) | $14.99 | per year |


### Nergy

[App page](https://appshunter.io/ios/app/nergy/id6758839128)

This app allows you to monitor your brain activity and mental states like stress and focus. Engage in biofeedback training and access relaxation experiences to enhance cognitive performance. It also enables mind-controlled interaction with VR and gaming consoles.

**Highlights:** Brain activity monitoring, Stress and fatigue tracking, Biofeedback neurotraining, Relaxation and meditation experiences, Mind-controlled VR/gaming interaction, Cognitive performance improvement

**In-app purchases:** none


## Frequently asked questions

### Is Diary Journal free?

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

### Is Nergy free?

Nergy is free to download, with no in-app purchases.

### Do Diary Journal or Nergy have ads?

Neither Diary Journal nor Nergy shows ads.

### Which is updated more often, Diary Journal or Nergy?

Diary Journal ships an update every 2 months, and Nergy weekly. Most recently, Diary Journal was updated on October 27, 2026 and Nergy on October 31, 2026.

---

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