# TTLock vs NIIM

The clearest difference is rating: NIIM at 4.8 against TTLock's 2.8. NIIM also leads on ads (none vs shown) and review sentiment (48% vs 25%). TTLock's advantage is in-app purchases (none vs 20) and device support (4 vs 2). On price and update cadence there is nothing between them.

Both are free to download. NIIM sells 19 in-app purchases, starting at $4.99 per month. TTLock asks for nothing beyond the download.

NIIM holds the better App Store score, 4.8 against 2.8. Both are backed by a comparable volume of ratings — 523 and 1.9K respectively. Written reviews point the same way: 25% of TTLock's written reviews are positive against 48% of NIIM's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | TTLock | NIIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (523 ratings)](https://appshunter.io/ios/app/ttlock/id1033046018/reviews) | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/niim/id1556769120/reviews)** |
| Number of ratings | 523 | **1.9K** |
| Positive reviews | 25.3% of reviews | **48.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 408 MB | 162 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) | [WUHAN JINGCHEN INTELLIGENT IDENTIFICATION TECHNOLOGY CO., LTD](https://appshunter.io/developer/1359104614) |

## 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


### NIIM

[App page](https://appshunter.io/ios/app/niim/id1556769120)

This app helps you organize your home with creative labeling. Design custom labels with various fonts, symbols, and images, then print them using a compatible smart printer. It also offers features for managing your collections and finding inspiration.

**Highlights:** Home assortment inspiration, Label editing and printing, Bluetooth connectivity to smart printers, Customizable fonts, symbols, and images, User plaza for inspiration, Assortment management

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NIIM Monthly VIP | $4.99 | per month |
| NIIM Monthly VIP | $4.99 | per month |
| 臣小印会员连续包季 | $9.90 | per 3 months |
| NIIM Yearly VIP | $34.99 | per year |
| NIIM Yearly VIP | $34.99 | per year |
| Gift | $0.29 | one-time |
| To you goodluck | $0.49 | one-time |
| Love eating | $0.49 | one-time |
| Cute | $0.69 | one-time |
| 努力干饭 | $0.99 | one-time |
| 陪伴即治愈 | $0.99 | one-time |
| 软萌星球 | $0.99 | one-time |
| marry christmas | $1.29 | one-time |
| happy new year | $1.29 | one-time |
| school season | $1.29 | one-time |
| happy easter icon | $1.89 | one-time |
| 1 Month VIP | $6.99 | one-time |
| old friend special offer | $6.99 | one-time |
| 1 Year VIP | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient operation
- 💡 Customizable labels
- 🔒 Secure printing

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔒 Region-locked device
- 💸 Expensive subscription model
- 🐛 Buggy software updates
- 🤔 Limited formatting options

**Reported bugs**

- Unable to login or register
- Printer not recognized in app
- Labels printing off-center
- App crashes on launch

**Requested features**

- More free design templates
- Ability to save custom designs
- Multilingual support
- Improved label alignment


## Frequently asked questions

### Is TTLock free?

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

### Is NIIM free?

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

### Which has better reviews, TTLock or NIIM?

NIIM is rated higher. TTLock averages 2.8 out of 5 from 523 ratings, while NIIM averages 4.8 from 1.9K ratings.

### Do TTLock or NIIM have ads?

TTLock shows ads; NIIM does not.

### Which is updated more often, TTLock or NIIM?

TTLock ships an update every 3 weeks, and NIIM every 3 weeks. Most recently, TTLock was updated on October 16, 2026 and NIIM on October 17, 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.*