# SmartBox Reference Guide vs Keys App

The clearest difference is rating: Keys App at 4.3 against SmartBox Reference Guide's 3.1. Keys App also leads on review sentiment (80% vs 63%). SmartBox Reference Guide's advantage is iOS requirement (12.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keys App holds the better App Store score, 4.3 against 3.1. Both are backed by a comparable volume of ratings — 34 and 13 respectively. Written reviews point the same way: 63% of SmartBox Reference Guide's written reviews are positive against 80% of Keys App's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SmartBox Reference Guide | Keys App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (34 ratings)](https://appshunter.io/ios/app/smartbox-reference-guide/id1172947942/reviews) | **[4.3 (13 ratings)](https://appshunter.io/ios/app/keys-app/id1564293496/reviews)** |
| Number of ratings | **34** | 13 |
| Positive reviews | 62.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 65 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Smart Box Technology, LLC](https://appshunter.io/developer/1172947941) | [Keys LLC](https://appshunter.io/developer/1564293498) |

## What reviewers say

### SmartBox Reference Guide

[App page](https://appshunter.io/ios/app/smartbox-reference-guide/id1172947942)

Learn programming concepts through guided lessons. This educational tool breaks down key programming ideas for understanding, not for live coding. Ideal for beginners wanting to grasp fundamental principles.

**Highlights:** Step-by-step programming guidance, Clear explanations of key concepts, Educational training tool, Focus on understanding principles, Suitable for beginners

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

**In-app purchases:** none


### Keys App

[App page](https://appshunter.io/ios/app/keys-app/id1564293496)

Connects users with on-demand locksmiths, key programmers, and roadside assistance specialists. Find, track, chat with, and negotiate prices with local service providers directly through the app.

**Highlights:** On-demand locksmith services, Key programming and duplication, Emergency roadside assistance, Service provider navigation, In-app chat and negotiation, Real-time tracking of specialists

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartBox Reference Guide free?

SmartBox Reference Guide is free to download, with no in-app purchases.

### Is Keys App free?

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

### Which has better reviews, SmartBox Reference Guide or Keys App?

Keys App is rated higher. SmartBox Reference Guide averages 3.1 out of 5 from 34 ratings, while Keys App averages 4.3 from 13 ratings.

### Do SmartBox Reference Guide or Keys App have ads?

Neither SmartBox Reference Guide nor Keys App shows ads.

### Which is updated more often, SmartBox Reference Guide or Keys App?

SmartBox Reference Guide ships an update fortnightly, and Keys App fortnightly. Most recently, SmartBox Reference Guide was updated on September 17, 2026 and Keys App on September 19, 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.*