# Sensi vs ChallengeTNN

The clearest difference is update cadence: ChallengeTNN at every 8 days against Sensi's monthly. 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, ChallengeTNN every 8 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sensi | ChallengeTNN |
| --- | --- | --- |
| 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 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 24 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [Tran Ngo](https://appshunter.io/developer/1827555305) |

## 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


### ChallengeTNN

[App page](https://appshunter.io/ios/app/challengetnn/id6749407469)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensi free?

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

### Is ChallengeTNN free?

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

### Do Sensi or ChallengeTNN have ads?

Neither Sensi nor ChallengeTNN shows ads.

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

Sensi ships an update monthly, and ChallengeTNN every 8 days. Most recently, Sensi was updated on October 26, 2026 and ChallengeTNN 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.*