Comparison

PBuilder vs PromptSmith

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PBuilder

Features
Read full description

PromptBuilder brings AI prompt creation, image generation, and image editing into one streamlined creative workflow. When you are not sure what to write, guided questions help organize your idea into a clearer prompt for AI image and video tools. Review prompts for different models, generate images in the app, and continue with template-based image or photo editing. Key features • Create prompts for AI image generation • Plan prompts for AI video generation • Organize ideas with guided chat • Review prompt output for multiple AI models • Generate images inside the app • Edit images and photos with templates • Save history and resume previous work • Follow a clear credit-aware generation flow Great for • Writing stronger AI image prompts faster • Creating AI art and social media visuals • Planning detailed video-generation prompts • Moving from prompt creation to image editing in one app • Comparing prompt styles across AI models Turn your idea into a structured prompt and generated image with less friction using PromptBuilder.

About

PromptSmith

Features
Read full description

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

PBuilder4 screens
PromptSmith2 screens

Verdict

The call

The clearest difference is in-app purchases: PromptSmith at none against PBuilder's 3. PBuilder's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PBuilder sells 3 in-app purchases, starting at $5.99 per month. PromptSmith asks for nothing beyond the download.

UpkeepUpdate frequency

PBuilder ships an update every 4 days, PromptSmith every 6 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 4 level
PBuilder versus PromptSmith: the parameters behind the verdict, then further details
ParameterPBuilderPromptSmith
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 6 weeks
AdsYesYes
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better18.5
Further details — not scored
Size38 MB5 MB
Age rating17+12+
DeveloperBySho2AKIRA SASAKI

In-app purchases

3 purchases

PBuilder

Subscriptions3
  • Light Plan$5.991 Month
  • Basic Plan$9.991 Month
  • PremiumPlan$14.991 Month
None

PromptSmith

No in-app purchases

Questions

Is PBuilder free?
PBuilder is free to download, with in-app purchases available.
Is PromptSmith free?
PromptSmith is free to download, with no in-app purchases.
Do PBuilder or PromptSmith have ads?
Both PBuilder and PromptSmith show ads.
Which is updated more often, PBuilder or PromptSmith?
PBuilder ships an update every 4 days, and PromptSmith every 6 weeks. Most recently, PBuilder was updated on September 9, 2026 and PromptSmith on September 10, 2026.

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