# tado° vs Bold Smart Lock

The clearest difference is rating: tado° at 4.5 against Bold Smart Lock's 4.0. tado° also leads on ratings volume (778 vs 5) and update cadence (weekly vs every 3 weeks). Bold Smart Lock's advantage is in-app purchases (none vs 12) and review sentiment (55% vs 43%). On price and ads there is nothing between them.

Both are free to download. tado° sells 10 in-app purchases, starting at $2.99 per month. Bold Smart Lock asks for nothing beyond the download.

tado° holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: tado° has 778 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 43% of tado°'s written reviews are positive against 55% of Bold Smart Lock's, so the app with the better star average is not the one people write more warmly about.

tado° ships an update weekly, Bold Smart Lock every 3 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | tado° | Bold Smart Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (778 ratings)](https://appshunter.io/ios/app/tado/id574418486/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/bold-smart-lock/id1445349974/reviews) |
| Number of ratings | **778** | 5 |
| Positive reviews | 42.9% of reviews | **54.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 159 MB | 57 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [tado°](https://appshunter.io/developer/574418629) | [Sesam Solutions BV](https://appshunter.io/developer/1435576127) |

## What reviewers say

### tado°

[App page](https://appshunter.io/ios/app/tado/id574418486)

This app allows you to remotely control your home's heating, air conditioning, and heat pumps. It helps reduce energy consumption and costs through intuitive control and insights into your usage patterns.

**Highlights:** Remote heating and AC control, Energy usage insights, Energy-saving tips, Automated climate control, Matter and Thread compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Assist / Auto-Assist | $2.99 | per month |
| AI Assist / Auto-Assist | $3.99 | per month |
| AI Assist / Auto-Assist | $3.99 | per month |
| AI Assist / Auto-Assist | $3.99 | per month |
| AI Assist / Auto-Assist | $3.99 | per month |
| Balance AC - Yearly Plan | $29.99 | per year |
| AI Assist / Auto-Assist | $29.99 | per year |
| AI Assist / Auto-Assist | $29.99 | per year |
| AI Assist / Auto-Assist | $29.99 | per year |
| Balance for Heat Pumps | $44.99 | per year |

**What reviewers like**

- 🚀 Efficient heating control
- 🔒 Secure and private
- 👍 Easy to install and set up
- 👍 Useful scheduling and automation features
- 👍 Convenient remote control

**What reviewers complain about**

- 🐛 Frequent connectivity issues
- 🔋 Battery life problems with smart radiator valves
- 👎 Overly aggressive upselling of subscription features
- 👎 Unreliable open window detection
- 👎 Lack of flexibility in temperature control

**Reported bugs**

- App frequently crashes or becomes unresponsive
- Syncing issues between app and hardware
- Incorrect temperature readings from smart radiator valves
- Inability to add/assign rooms in the app

**Requested features**

- Ability to create and apply scheduling templates
- Improved Siri/HomeKit integration
- Option to disable subscription upselling
- More granular temperature control
- Better battery life indicators


### Bold Smart Lock

[App page](https://appshunter.io/ios/app/bold-smart-lock/id1445349974)

Transform your smartphone into a digital key for seamless entry and exit. Grant temporary or permanent access to guests, family, or service providers with customizable virtual keys. Enjoy enhanced security and a simplified daily routine.

**Highlights:** Smartphone as a digital key, Automatic door unlocking/locking, Virtual key sharing, Customizable access permissions, High-level security, Easy cylinder replacement

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

**In-app purchases:** none


## Frequently asked questions

### Is tado° free?

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

### Is Bold Smart Lock free?

Bold Smart Lock is free to download, with no in-app purchases.

### Which has better reviews, tado° or Bold Smart Lock?

tado° is rated higher. tado° averages 4.5 out of 5 from 778 ratings, while Bold Smart Lock averages 4.0 from 5 ratings.

### Do tado° or Bold Smart Lock have ads?

Neither tado° nor Bold Smart Lock shows ads.

### Which is updated more often, tado° or Bold Smart Lock?

tado° ships an update weekly, and Bold Smart Lock every 3 weeks. Most recently, tado° was updated on October 1, 2026 and Bold Smart Lock on September 29, 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.*