# aha! Pollen vs Calm Pulse

The clearest difference is in-app purchases: aha! Pollen at none against Calm Pulse's 1. Calm Pulse's advantage is update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calm Pulse sells 1 one-off in-app purchase. aha! Pollen asks for nothing beyond the download.

aha! Pollen ships an update every 3 months, Calm Pulse weekly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | aha! Pollen | Calm Pulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/aha-pollen/id444081365/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 158 MB | 76 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Stiftung aha! Allergiezentrum Schweiz](https://appshunter.io/developer/444081368) | [Amarjit Gill](https://appshunter.io/developer/1871776123) |

## What reviewers say

### aha! Pollen

[App page](https://appshunter.io/ios/app/aha-pollen/id444081365)

Get real-time pollen counts and forecasts for Switzerland. Receive personalized alerts for specific pollen types and regions, along with allergy management tips and offers from aha! Allergy Centre Switzerland.

**Highlights:** Real-time pollen counts, Pollen forecasts, Personalized push notifications, Allergy management tips, Offers from aha! Allergy Centre

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

**In-app purchases:** none


### Calm Pulse

[App page](https://appshunter.io/ios/app/calm-pulse/id6772716188)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Scenes | $1.99 | one-time |


## Frequently asked questions

### Is aha! Pollen free?

aha! Pollen is free to download, with no in-app purchases.

### Is Calm Pulse free?

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

### Do aha! Pollen or Calm Pulse have ads?

Neither aha! Pollen nor Calm Pulse shows ads.

### Which is updated more often, aha! Pollen or Calm Pulse?

aha! Pollen ships an update every 3 months, and Calm Pulse weekly. Most recently, aha! Pollen was updated on October 4, 2026 and Calm Pulse on October 12, 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.*