# smartLLM vs Arc Lock

The clearest difference is in-app purchases: Arc Lock at none against smartLLM's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. smartLLM sells 1 one-off in-app purchase. Arc Lock asks for nothing beyond the download.

smartLLM ships an update fortnightly, Arc Lock every 8 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | smartLLM | Arc Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Size | 11 MB | 7 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [YONONAKA LLC](https://appshunter.io/developer/6779645473) | [JUN HYUK CHOI](https://appshunter.io/developer/6821369444) |

## What reviewers say

### smartLLM

[App page](https://appshunter.io/ios/app/smartllm-private-ai-chat/id6793868028)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| smartLLM Pro | $5.99 | one-time |


### Arc Lock

[App page](https://appshunter.io/ios/app/arc-lock-app-blocker/id6822023409)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is smartLLM free?

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

### Is Arc Lock free?

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

### Do smartLLM or Arc Lock have ads?

Neither smartLLM nor Arc Lock shows ads.

### Which is updated more often, smartLLM or Arc Lock?

smartLLM ships an update fortnightly, and Arc Lock every 8 days. Most recently, smartLLM was updated on October 31, 2026 and Arc Lock on October 31, 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.*