# Zephyr vs Anthos

The clearest difference is update cadence: Zephyr at every 3 days against Anthos's weekly. Zephyr also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zephyr sells 1 one-off in-app purchase and Anthos sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Zephyr ships an update every 3 days, Anthos weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zephyr | Anthos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/anthos-allergy-intelligence/id6765979823/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Freemium |
| Size | 47 MB | 5 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [PIERRE JEAN ALEXANDRE DELAGE](https://appshunter.io/developer/1871151464) | [Christopher Davidson](https://appshunter.io/developer/1885652398) |

## What reviewers say

### Zephyr

[App page](https://appshunter.io/ios/app/zephyr-pollen-forecast/id6764781598)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pollen Map | $2.99 | one-time |


### Anthos

[App page](https://appshunter.io/ios/app/anthos-allergy-intelligence/id6765979823)

This app learns your personal allergy triggers and provides daily air quality and pollen forecasts. It offers personalized alerts, symptom tracking, and insights into how environmental factors affect your well-being.

**Highlights:** Personalized pollen thresholds, AI daily air quality briefing, Apple Health integration for symptom correlation, 7-day personal forecast, 15 tracked allergens and mold, Smart notifications for triggers, Symptom and medication logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is Zephyr free?

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

### Is Anthos free?

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

### Do Zephyr or Anthos have ads?

Neither Zephyr nor Anthos shows ads.

### Which is updated more often, Zephyr or Anthos?

Zephyr ships an update every 3 days, and Anthos weekly. Most recently, Zephyr was updated on October 25, 2026 and Anthos 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.*