# Sensi vs Altær

The clearest difference is update cadence: Altær at every 4 days against Sensi's monthly. Sensi's advantage is iOS requirement (16.0 vs 26.0). 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.

Sensi ships an update monthly, Altær every 4 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sensi | Altær |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (246K ratings)](https://appshunter.io/ios/app/sensi/id792612452/reviews)** | — |
| Number of ratings | **246K** | — |
| Positive reviews | 35.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 226 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [Michael Entrekin](https://appshunter.io/developer/1554925634) |

## What reviewers say

### Sensi

[App page](https://appshunter.io/ios/app/sensi/id792612452)

Control your home's climate remotely with a smart thermostat. Adjust temperature, set schedules, and receive alerts from anywhere. Integrates with popular smart home platforms for seamless control.

**Highlights:** Remote temperature control, 7-day scheduling, Usage reports, Service reminders, Geofencing, Smart home integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Fantastic remote control
- 🔥 Great functionality
- 👍 Easy installation
- 💰 Good value
- ⏱️ Helpful usage tracking

**What reviewers complain about**

- 🔌 Frequent disconnections
- 🐛 Inconsistent performance
- 📱 Unintuitive app interface
- 🌐 Lacks international support
- 🌡️ Inaccurate humidity readings

**Reported bugs**

- Thermostat randomly disconnects from WiFi
- Programmed schedules not being retained
- Temperature settings not sticking after adjustments

**Requested features**

- Finer temperature control in Celsius
- Automatic heating/cooling mode switching based on outdoor temperature
- More detailed usage reporting
- Ability to set schedules with shorter intervals
- Support for multiple user accounts and geofencing


### Altær

[App page](https://appshunter.io/ios/app/altr/id6759136313)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensi free?

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

### Is Altær free?

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

### Do Sensi or Altær have ads?

Neither Sensi nor Altær shows ads.

### Which is updated more often, Sensi or Altær?

Sensi ships an update monthly, and Altær every 4 days. Most recently, Sensi was updated on October 27, 2026 and Altær 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.*