VBQ vs PromptSmith
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VBQ
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VBQ is a companion app by VB Quality Co., Ltd. It connects with Bluetooth Laser Distance Meters (LDMs) to receive measurement data quickly. Features: Connect with supported LDMs Receive measurements automatically Organize data by project Export and share reports easily Make your measurement process faster, easier, and error-free with VBQ.
PromptSmith
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PromptSmith is an app that automatically generates “optimized prompts” to help you get more accurate and higher-quality responses from AI. Simply enter your question, and the app creates professional-grade instructions that anyone can use—no expertise required. In addition, nothing you type is ever sent outside the app. All processing is completed locally on your device, ensuring safe and secure use. ■ Key Features • No login required — start immediately No account creation, email registration, or setup needed. Just open the app and use it instantly. • Automatically generates optimized prompts from your input Your text is transformed into clear, structured instructions that AI can easily understand, improving response accuracy. • Professional-level prompts for beginners Even without prompt engineering knowledge, anyone can produce high-quality prompts that draw out precise AI responses. • Works with any AI service—not only ChatGPT Compatible with Claude, Gemini, Copilot, LINE AI chat, and most AI platforms. Simply copy and paste the generated prompt.
Screenshots
Verdict
The clearest difference is ads: VBQ at none against PromptSmith's shown. VBQ also leads on iOS requirement (14.0 vs 18.5). On price, in-app purchases and device support 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.
| Parameter | VBQ | PromptSmith |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 4 MB | 5 MB |
| Age rating | 4+ | 12+ |
| Developer | Dumrongvit Jantanavaranon | AKIRA SASAKI |
In-app purchases
VBQ
No in-app purchases
PromptSmith
No in-app purchases









