# Sercair vs Nullschool

The clearest difference is review sentiment: Nullschool at 100% against Sercair's 71%. Nullschool also leads on chart position (#172 vs unranked). Sercair's advantage is monetization model (free vs freemium) and iOS requirement (13.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sercair sells 8 one-off in-app purchases and Nullschool sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sercair | Nullschool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (40 ratings)](https://appshunter.io/ios/app/nullschool-explore-weather/id6748462114/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Freemium |
| Best chart rank | — | **#172** |
| Size | 217 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SERCAIR TEKNOLOJI VE BILISIM ANONIM SIRKETI](https://appshunter.io/developer/1735458531) | [Nullschool Technologies Inc.](https://appshunter.io/developer/1807907924) |

## What reviewers say

### Sercair

[App page](https://appshunter.io/ios/app/sercair/id1522481568)

Monitor and manage air quality in various rooms of your home, including bedrooms and kitchens. Receive gas leak warnings and activate emergency services automatically. Customize settings with multiple operating modes and scenario setups for optimal air conditions.

**Highlights:** Real-time air quality monitoring, Gas leak and smoke detection, Customizable operating modes, Scenario setups for different rooms, Remote device management, Past sensor data analysis, Emergency service notification

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Sim Card Package | $1.99 | one-time |
| 6 İZLEYİCİ PAKETİ 1 YIL | $9.99 | one-time |
| 1 Yıllık Sim Kart Paketi | $12.99 | one-time |
| 10 İZLEYİCİ PAKETİ | $13.99 | one-time |
| 3 ADMİN-YÖNETİCİ+3 İZLEYİCİ | $13.99 | one-time |
| 6 ADMİN PAKETİ 1 YIL | $15.99 | one-time |
| 2 Yıllık Sim Kart Paketi | $17.99 | one-time |
| 10 ADMİN  PAKETİ | $20.99 | one-time |


### Nullschool

[App page](https://appshunter.io/ios/app/nullschool-explore-weather/id6748462114)

**Currently charting:** #172 Top Grossing · Weather (US App Store)

Visualize global weather, ocean, and pollution data on an interactive map. Explore current conditions, forecasts up to 5 days, and historical data. Discover atmospheric phenomena like hurricanes, jet streams, and pollution spread.

**Highlights:** Interactive animated global map, Wind, ocean, and pollution layers, Current conditions and 5-day forecasts, Historical data access, Aurora and wildfire tracking, Subscription for extra features

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $29.99 | per year |
| Friends of Nullschool | $49.99 | per year |


## Frequently asked questions

### Is Sercair free?

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

### Is Nullschool free?

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

### Do Sercair or Nullschool have ads?

Neither Sercair nor Nullschool shows ads.

### Which is updated more often, Sercair or Nullschool?

Sercair ships an update monthly, and Nullschool monthly. Most recently, Sercair was updated on November 3, 2026 and Nullschool on November 5, 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.*