# Sferic Mobile vs Kestrel LiNK

The clearest difference is rating: Sferic Mobile at 3.9 against Kestrel LiNK's 2.9. Sferic Mobile also leads on iOS requirement (9.0 vs 13.0). Kestrel LiNK's advantage is review sentiment (27% vs 0%) and chart position (#195 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Sferic Mobile holds the better App Store score, 3.9 against 2.9. Both are backed by a comparable volume of ratings — 7 and 31 respectively. Written reviews complicate that: 0% of Sferic Mobile's written reviews are positive against 27% of Kestrel LiNK's, so the app with the better star average is not the one people write more warmly about.

Sferic Mobile ships an update every 4 months, Kestrel LiNK every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sferic Mobile | Kestrel LiNK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/sferic-mobile/id1225327618/reviews)** | [2.9 (31 ratings)](https://appshunter.io/ios/app/kestrel-link/id1489485544/reviews) |
| Number of ratings | 7 | **31** |
| Positive reviews | 0.0% of reviews | **27.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Best chart rank | — | **#195** |
| Size | 60 MB | 70 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Earth Networks](https://appshunter.io/developer/1225327617) | [Nielsen-Kellerman Co.](https://appshunter.io/developer/698732840) |

## What reviewers say

### Sferic Mobile

[App page](https://appshunter.io/ios/app/sferic-mobile/id1225327618)

Access a global network of hyper-local weather stations and lightning detection. Customize alerts by location and view them visually for context. Requires a license from Earth Networks.

**Highlights:** Hyper-local weather data, Global lightning detection, Customizable location alerts, Visual alert context, Professional-grade weather stations

**Features:** macOS Compatibility

**In-app purchases:** none


### Kestrel LiNK

[App page](https://appshunter.io/ios/app/kestrel-link/id1489485544)

**Currently charting:** #195 Top Free · Weather (US App Store)

This application allows users to monitor, download, and share environmental data collected by Kestrel Instruments meters and data loggers. It provides a seamless way to send your weather information to the cloud for further analysis and accessibility.

**Highlights:** Monitor environmental data, Download data, Share data, Send data to the cloud, Connect with Kestrel Instruments devices

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

**In-app purchases:** none


## Frequently asked questions

### Is Sferic Mobile free?

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

### Is Kestrel LiNK free?

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

### Which has better reviews, Sferic Mobile or Kestrel LiNK?

Sferic Mobile is rated higher. Sferic Mobile averages 3.9 out of 5 from 7 ratings, while Kestrel LiNK averages 2.9 from 31 ratings.

### Do Sferic Mobile or Kestrel LiNK have ads?

Neither Sferic Mobile nor Kestrel LiNK shows ads.

### Which is updated more often, Sferic Mobile or Kestrel LiNK?

Sferic Mobile ships an update every 4 months, and Kestrel LiNK every 2 months. Most recently, Sferic Mobile was updated on October 24, 2026 and Kestrel LiNK 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.*