# Sensorist vs PRIMES SpotLight

The clearest difference is update cadence: PRIMES SpotLight at daily against Sensorist's every 3 months. Sensorist's advantage is iOS requirement (12.0 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.

Sensorist ships an update every 3 months, PRIMES SpotLight daily. The most recent releases landed on June 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Sensorist | PRIMES SpotLight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sensorist/id692718523/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 1 MB | 100 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sensorist ApS](https://appshunter.io/developer/692718526) | [Primes GmbH](https://appshunter.io/developer/1877650463) |

## What reviewers say

### Sensorist

[App page](https://appshunter.io/ios/app/sensorist/id692718523)

Monitor environmental conditions like temperature, humidity, and air quality remotely. Access your data from anywhere via the web or mobile app. Requires dedicated hardware to function.

**Highlights:** Measure temperature, humidity, CO2, VOC, Monitor barometric pressure and water levels, Online data storage, Remote access via website and app, Requires dedicated hardware

**Features:** macOS Compatibility

**In-app purchases:** none


### PRIMES SpotLight

[App page](https://appshunter.io/ios/app/primes-spotlight/id6759250161)

**In-app purchases:** none


## Frequently asked questions

### Is Sensorist free?

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

### Is PRIMES SpotLight free?

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

### Do Sensorist or PRIMES SpotLight have ads?

Neither Sensorist nor PRIMES SpotLight shows ads.

### Which is updated more often, Sensorist or PRIMES SpotLight?

Sensorist ships an update every 3 months, and PRIMES SpotLight daily. Most recently, Sensorist was updated on June 7, 2026 and PRIMES SpotLight on September 10, 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.*