# Study Stats app vs Pollenair

The clearest difference is update cadence: Pollenair at every 4 days against Study Stats app's every 3 weeks. Study Stats app's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Study Stats app ships an update every 3 weeks, Pollenair every 4 days. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Study Stats app | Pollenair |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 48 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Chinedum Okpechi](https://appshunter.io/developer/1730044147) | [Fixerwithin](https://appshunter.io/developer/1352305220) |

## What reviewers say

### Study Stats app

[App page](https://appshunter.io/ios/app/study-stats-app/id6477740443)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pollenair

[App page](https://appshunter.io/ios/app/pollenair/id6766195799)

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

**In-app purchases:** none


## Frequently asked questions

### Is Study Stats app free?

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

### Is Pollenair free?

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

### Do Study Stats app or Pollenair have ads?

Neither Study Stats app nor Pollenair shows ads.

### Which is updated more often, Study Stats app or Pollenair?

Study Stats app ships an update every 3 weeks, and Pollenair every 4 days. Most recently, Study Stats app was updated on October 4, 2026 and Pollenair on October 1, 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.*