# StackLock vs rAI AI Assistant for drivers

The clearest difference is rating: StackLock at 4.5 against rAI AI Assistant for drivers's 1.0. StackLock also leads on ratings volume (74 vs 1) and update cadence (every 2 days vs weekly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. StackLock sells 1 in-app purchase, starting at $14.99 per month and rAI AI Assistant for drivers sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

StackLock holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: StackLock has 74 ratings behind it against 1, so its average is the more settled of the two.

StackLock ships an update every 2 days, rAI AI Assistant for drivers weekly. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | StackLock | rAI AI Assistant for drivers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (74 ratings)](https://appshunter.io/ios/app/stacklock/id1665649854/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/rai-ai-assistant-for-drivers/id6748670097/reviews) |
| Number of ratings | **74** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 97 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roman Dorovenko](https://appshunter.io/developer/1680221317) | [RAY APP](https://appshunter.io/developer/1619757936) |

## What reviewers say

### StackLock

[App page](https://appshunter.io/ios/app/stacklock/id1665649854)

Securely store and manage all your passwords, private notes, and photos across your devices. Generate strong passwords, access your information conveniently, and protect your data with advanced safety features.

**Highlights:** Secure password storage, Unlimited password creation, Cross-device synchronization, Secure notes and photo storage, Password generation, FaceDown look and fake passcode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month | $14.99 | per month |


### rAI AI Assistant for drivers

[App page](https://appshunter.io/ios/app/rai-ai-assistant-for-drivers/id6748670097)

This AI-powered assistant acts as your co-pilot for road trips. It offers hands-free navigation, route planning, voice notes, and even conversational AI to make driving safer and more enjoyable.

**Highlights:** Hands-free AI voice assistant, Multi-stop route planning, Real-time GPS navigation, Voice notes and reminders, AI voice chat and trivia, Learns user preferences

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $19.99 | per month |
| Yearly subscription | $63.99 | per year |
| Yearly subscription | $159.99 | per year |


## Frequently asked questions

### Is StackLock free?

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

### Is rAI AI Assistant for drivers free?

rAI AI Assistant for drivers is free to download, with in-app purchases available.

### Which has better reviews, StackLock or rAI AI Assistant for drivers?

StackLock is rated higher. StackLock averages 4.5 out of 5 from 74 ratings, while rAI AI Assistant for drivers averages 1.0 from 1 ratings.

### Do StackLock or rAI AI Assistant for drivers have ads?

Neither StackLock nor rAI AI Assistant for drivers shows ads.

### Which is updated more often, StackLock or rAI AI Assistant for drivers?

StackLock ships an update every 2 days, and rAI AI Assistant for drivers weekly. Most recently, StackLock was updated on October 15, 2026 and rAI AI Assistant for drivers on September 24, 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.*