# Key for Tesla vs DuoLens

The clearest difference is price: DuoLens at Free against Key for Tesla's $1.99. DuoLens also leads on update cadence (every 10 days vs every 5 weeks). Key for Tesla's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.4). On in-app purchases and device support there is nothing between them.

DuoLens is free to download; Key for Tesla costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Key for Tesla ships an update every 5 weeks, DuoLens every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Key for Tesla | DuoLens |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.9 (14 ratings)](https://appshunter.io/ios/app/key-for-tesla/id1202595802/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Paid | — |
| Size | 10 MB | 8 MB |
| Requires iOS | **15.0** | 17.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joao Nunes](https://appshunter.io/developer/508236936) | [明伟 陈](https://appshunter.io/developer/726238814) |

## What reviewers say

### Key for Tesla

[App page](https://appshunter.io/ios/app/key-for-tesla/id1202595802)

Control your Tesla vehicle directly from your Apple Watch or iPhone. Unlock, lock, start, and manage climate settings with a single tap or voice command. Monitor battery status and charging progress conveniently.

**Highlights:** Unlock and start Tesla with one tap, Lock car with a tap, Today extension for quick access, Siri support for commands, Apple Watch climate control, Check battery status and charging, Watch Complications for quick info

**Features:** Siri integration, Apple Watch app, Vision Pro support

**In-app purchases:** none


### DuoLens

[App page](https://appshunter.io/ios/app/duolens-front-and-back-camera/id1579235028)

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

**In-app purchases:** none


## Frequently asked questions

### Is Key for Tesla free?

Key for Tesla costs $1.99, with no in-app purchases.

### Is DuoLens free?

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

### Do Key for Tesla or DuoLens have ads?

DuoLens shows ads; Key for Tesla does not.

### Which is updated more often, Key for Tesla or DuoLens?

Key for Tesla ships an update every 5 weeks, and DuoLens every 10 days. Most recently, Key for Tesla was updated on November 2, 2026 and DuoLens on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*