# HeatAI vs Celsaire

The clearest difference is iOS requirement: HeatAI at 15.6 against Celsaire's 17.6. 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.

HeatAI ships an update fortnightly, Celsaire every 9 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | HeatAI | Celsaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/celsaire/id6759209275/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free |
| Size | 87 MB | 23 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TECHCO Lab Pvt. Ltd.](https://appshunter.io/developer/1789754589) | [Chizy Investment Group, LLC](https://appshunter.io/developer/1643983811) |

## What reviewers say

### HeatAI

[App page](https://appshunter.io/ios/app/heatai/id6740401350)

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

**In-app purchases:** none


### Celsaire

[App page](https://appshunter.io/ios/app/celsaire/id6759209275)

This app provides detailed weather forecasts with dual temperature displays and an air quality index. It uniquely combines weather tracking with mood logging, allowing users to see correlations between atmospheric conditions and their emotional state. Users can also generate shareable mood summaries and receive severe weather alerts.

**Highlights:** Dual temperature display (°C/°F), Hourly 24-hour forecast, Air quality index (AQI), Interactive weather radar map, Severe weather alerts, Weather-inspired mood tracking, Shareable mood cards

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HeatAI free?

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

### Is Celsaire free?

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

### Do HeatAI or Celsaire have ads?

Neither HeatAI nor Celsaire shows ads.

### Which is updated more often, HeatAI or Celsaire?

HeatAI ships an update fortnightly, and Celsaire every 9 days. Most recently, HeatAI was updated on October 25, 2026 and Celsaire on October 25, 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.*