# Mr. Chilly vs ISeeChange Tracker

The clearest difference is in-app purchases: ISeeChange Tracker at none against Mr. Chilly's 1. ISeeChange Tracker also leads on review sentiment (100% vs 86%). Mr. Chilly's advantage is ratings volume (6.8K vs 10) and rating (4.9 vs 4.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mr. Chilly sells 1 one-off in-app purchase. ISeeChange Tracker asks for nothing beyond the download.

Mr. Chilly holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Mr. Chilly has 6.8K ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 86% of Mr. Chilly's written reviews are positive against 100% of ISeeChange Tracker's, so the app with the better star average is not the one people write more warmly about.

Mr. Chilly ships an update every 5 weeks, ISeeChange Tracker every 6 weeks. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Mr. Chilly | ISeeChange Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.8K ratings)](https://appshunter.io/ios/app/mr-chilly/id933759132/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/iseechange-tracker/id1114885557/reviews) |
| Number of ratings | **6.8K** | 10 |
| Positive reviews | 86.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#188** | — |
| Size | 12 MB | 54 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Chia](https://appshunter.io/developer/1289065307) | [ISeeChange](https://appshunter.io/developer/1294727109) |

## What reviewers say

### Mr. Chilly

[App page](https://appshunter.io/ios/app/mr-chilly/id933759132)

**Currently charting:** #188 Top Free · Weather (US App Store)

This app provides detailed weather information for San Francisco's diverse microclimates and the entire Bay Area. View current temperatures, future forecasts, and dynamic heatmaps to plan your outdoor activities.

**Highlights:** Hourly forecasts (24 hours), Dynamic temperature heatmaps, Day/night cycle visualization, San Francisco microclimate view, Bay Area and Peninsula weather

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### ISeeChange Tracker

[App page](https://appshunter.io/ios/app/iseechange-tracker/id1114885557)

Document environmental changes and share your observations to contribute to climate change research. Connect with your community, discuss local challenges, and help drive solutions.

**Highlights:** Create personal observation accounts, Post detailed sightings with photos, Connect with local and global communities, Contribute to local knowledge and research, Share observations for solution advocacy, Syncs with local weather data

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

**In-app purchases:** none


## Frequently asked questions

### Is Mr. Chilly free?

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

### Is ISeeChange Tracker free?

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

### Which has better reviews, Mr. Chilly or ISeeChange Tracker?

Mr. Chilly is rated higher. Mr. Chilly averages 4.9 out of 5 from 6.8K ratings, while ISeeChange Tracker averages 4.6 from 10 ratings.

### Do Mr. Chilly or ISeeChange Tracker have ads?

Neither Mr. Chilly nor ISeeChange Tracker shows ads.

### Which is updated more often, Mr. Chilly or ISeeChange Tracker?

Mr. Chilly ships an update every 5 weeks, and ISeeChange Tracker every 6 weeks. Most recently, Mr. Chilly was updated on October 17, 2026 and ISeeChange Tracker on October 8, 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.*