# CORE TRAIN vs Zerenly

The clearest difference is in-app purchases: CORE TRAIN at none against Zerenly's 2. CORE TRAIN also leads on update cadence (fortnightly vs monthly) and iOS requirement (12.4 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Zerenly sells 2 in-app purchases, starting at $0.99 per month. CORE TRAIN asks for nothing beyond the download.

CORE TRAIN ships an update fortnightly, Zerenly monthly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CORE TRAIN | Zerenly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/zerenly/id6466443632/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 67 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Raul Caceres](https://appshunter.io/developer/1765619652) | [Zerenly](https://appshunter.io/developer/1761619761) |

## What reviewers say

### CORE TRAIN

[App page](https://appshunter.io/ios/app/core-train/id1615496427)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zerenly

[App page](https://appshunter.io/ios/app/zerenly/id6466443632)

This app provides a private space to log, understand, and track your daily emotions. It helps you identify patterns and gain self-awareness through daily recaps and personalized reflections. It's a tool for emotional clarity and personal growth.

**Highlights:** Log daily emotions, Write emotional journal entries, Visualize emotional journey, Receive daily emotion recaps, Discover personalized weekly reflections, Access supportive content, Save key phrases and learnings

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zerenly Grupos | $0.99 | per month |
| Zerenly Grupos | $14.99 | per month |


## Frequently asked questions

### Is CORE TRAIN free?

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

### Is Zerenly free?

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

### Do CORE TRAIN or Zerenly have ads?

Neither CORE TRAIN nor Zerenly shows ads.

### Which is updated more often, CORE TRAIN or Zerenly?

CORE TRAIN ships an update fortnightly, and Zerenly monthly. Most recently, CORE TRAIN was updated on October 6, 2026 and Zerenly on October 24, 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.*