SmartBox Reference Guide vs KYDZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartBox Reference Guide
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.
- Step-by-step programming guidance
- Clear explanations of key concepts
- Educational training tool
- Focus on understanding principles
- Suitable for beginners
Read full descriptionHide full description
Smartbox Reference Guide — Learn key programming step-by-step with clear guidance. This app is a training tool designed to help users understand and master key programming concepts — for learning only, not for actual programming.
KYDZ
This app connects automotive locksmiths to specialized hardware for generating car remotes, smart cards, and performing key profiling. It offers tools like a mechanical key ruler and VIN lookup for efficient locksmithing tasks.
- Car remote control generation
- Smart card generation
- Key profiling cutting
- Mechanical key ruler
- Vehicle frame number query
- Bluetooth device connectivity
Read full descriptionHide full description
An efficient App launched by Keyoung Electronics to serve global automotive locksmiths, it can connect Alien key machines and KYDZ generators via Bluetooth to realize functions such as car remote control generation, smart card generation, key profiling cutting, and more. The software also provides convenient functions such as mechanical key ruler and vehicle frame number query. The software connects to different devices through Bluetooth to achieve different functions. When connected to the Alien key machine, it can perform functions such as profiling and cutting mechanical keys; when connected to the KYDZ slave generator, remote control and smart card generation can be achieved.
Screenshots
Verdict
The clearest difference is rating: KYDZ at 4.1 against SmartBox Reference Guide's 3.1. KYDZ also leads on review sentiment (75% vs 63%). SmartBox Reference Guide's advantage is ratings volume (34 vs 7) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KYDZ holds the better App Store score, 4.1 against 3.1. Both are backed by a comparable volume of ratings — 34 and 7 respectively. Written reviews point the same way: 63% of SmartBox Reference Guide's written reviews are positive against 75% of KYDZ's.
SmartBox Reference Guide ships an update fortnightly, KYDZ every 10 days. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.
| Parameter | SmartBox Reference Guide | KYDZ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (34 ratings) | 4.1 (7 ratings) — better |
| Positive reviews | 62.5% of reviews | 75.0% of reviews — better |
| Number of ratings | 34 — better | 7 |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 65 MB | 403 MB |
| Age rating | 17+ | 17+ |
| Developer | Smart Box Technology, LLC | Wuxi Kaiyang Electronic Technology Co., Ltd. |
Customer experience
SmartBox Reference Guide
KYDZ
In-app purchases
SmartBox Reference Guide
No in-app purchases
KYDZ
No in-app purchases
Questions
Is SmartBox Reference Guide free?
Is KYDZ free?
Which has better reviews, SmartBox Reference Guide or KYDZ?
Do SmartBox Reference Guide or KYDZ have ads?
Which is updated more often, SmartBox Reference Guide or KYDZ?
Other comparisons
