# Zertú vs Skin Alert

The clearest difference is in-app purchases: Skin Alert at none against Zertú's 10. Skin Alert also leads on update cadence (every 9 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zertú sells 10 one-off in-app purchases. Skin Alert asks for nothing beyond the download.

Zertú ships an update every 5 weeks, Skin Alert every 9 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zertú | Skin Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/zertu/id1405431341/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 30 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zertu](https://appshunter.io/developer/1308802101) | [SUN & BOOK DOO](https://appshunter.io/developer/1872266826) |

## What reviewers say

### Zertú

[App page](https://appshunter.io/ios/app/zertu/id1405431341)

This app offers guided meditations, healthy eating advice, and yoga routines for holistic well-being. It also provides free challenges and daily practices to boost metabolism and improve your mood.

**Highlights:** Guided meditations, Healthy eating plans, Yoga routines, Holistic well-being practices, Free 21-day metabolism challenge, Daily Tibetan Rites practice

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reto Flush | $3.99 | one-time |
| DETOX DESPIERTA Y BRILLA | $5.99 | one-time |
| Numerología | $8.99 | one-time |
| La Sanadora de Almas | $12.99 | one-time |
| Audiolibro Ze-millas de poder | $12.99 | one-time |
| Vegan Reset Program | $15.99 | one-time |
| Curso En línea ¿Quién quieres? | $18.99 | one-time |
| Vegan Reset 2024 | $22.99 | one-time |
| Detox de sanación y despertar | $27.99 | one-time |
| Master Evolución 2024 | $299.99 | one-time |


### Skin Alert

[App page](https://appshunter.io/ios/app/skin-alert-surface/id6758321708)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zertú free?

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

### Is Skin Alert free?

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

### Do Zertú or Skin Alert have ads?

Neither Zertú nor Skin Alert shows ads.

### Which is updated more often, Zertú or Skin Alert?

Zertú ships an update every 5 weeks, and Skin Alert every 9 days. Most recently, Zertú was updated on November 2, 2026 and Skin Alert on October 31, 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.*