# TTLock vs Aroma one

The clearest difference is ads: Aroma one at none against TTLock's shown. Aroma one also leads on monetization model (free vs ad-supported) and iOS requirement (10.0 vs 13.0). TTLock's advantage is review sentiment (25% vs 0%) and device support (4 vs 2). On price, update cadence 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.

TTLock ships an update every 3 weeks, Aroma one every 2 weeks. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | TTLock | Aroma one |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (523 ratings)](https://appshunter.io/ios/app/ttlock/id1033046018/reviews)** | — |
| Number of ratings | **523** | — |
| Positive reviews | **25.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 408 MB | 14 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) | [熏福 李](https://appshunter.io/developer/1546840282) |

## What reviewers say

### TTLock

[App page](https://appshunter.io/ios/app/ttlock/id1033046018)

Unlock your doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any inquiries.

**Highlights:** Unlock doors via Bluetooth, Requires compatible hardware, In-app support contact, Phone-based access control

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well
- 👍 Easy to use
- 💡 Lots of features
- 🔒 Secure access
- 🤖 Integrates with Alexa

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery drain problems
- 🤯 Confusing instructions
- 🤖 Alexa integration not reliable
- 🤔 Can't see lock status

**Reported bugs**

- App crashes after updates
- Can't delete old locks from app
- Fingerprint scanner not working
- Remote unlock not functioning
- Passcode changes not syncing

**Requested features**

- Show lock/unlock status in app
- Add proximity unlock feature
- Improve Alexa integration
- Allow minute-level passcode scheduling
- Provide better customer support


### Aroma one

[App page](https://appshunter.io/ios/app/aroma-one/id1544045513)

This app intelligently manages a large-area aroma diffuser. It offers silent operation, odor elimination, and timer functions for a customizable scent experience.

**Highlights:** Intelligent management, Silent operation, Odor elimination, Timer functions, Large-area diffusion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TTLock free?

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

### Is Aroma one free?

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

### Do TTLock or Aroma one have ads?

TTLock shows ads; Aroma one does not.

### Which is updated more often, TTLock or Aroma one?

TTLock ships an update every 3 weeks, and Aroma one every 2 weeks. Most recently, TTLock was updated on September 23, 2026 and Aroma one on June 1, 2026.

---

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