Comparison

SlackLess vs PromptSmith

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

Head to head
About

SlackLess

Read full description

SlackLess is an app that provides dashboards for tracking usage of your most distracting apps and helps you reduce your screen time by setting limits.

About

PromptSmith

Features
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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

SlackLess4 screens
PromptSmith2 screens

Verdict

The call

The clearest difference is ads: SlackLess at none against PromptSmith's shown. SlackLess also leads on iOS requirement (16.6 vs 18.5). PromptSmith's advantage is update cadence (every 6 weeks vs every 10 months). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

SlackLess ships an update every 10 months, PromptSmith every 6 weeks. The most recent releases landed on September 24, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 3 level
SlackLess versus PromptSmith: the parameters behind the verdict, then further details
ParameterSlackLessPromptSmith
PriceFreeFree
Update frequencyEvery 10 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better18.5
Further details — not scored
Size131 MB5 MB
Age rating4+12+
DeveloperDaniyar KurmanbayevAKIRA SASAKI

In-app purchases

None

SlackLess

No in-app purchases

None

PromptSmith

No in-app purchases

Questions

Is SlackLess free?
SlackLess is free to download, with no in-app purchases.
Is PromptSmith free?
PromptSmith is free to download, with no in-app purchases.
Do SlackLess or PromptSmith have ads?
PromptSmith shows ads; SlackLess does not.
Which is updated more often, SlackLess or PromptSmith?
SlackLess ships an update every 10 months, and PromptSmith every 6 weeks. Most recently, SlackLess was updated on September 24, 2026 and PromptSmith on September 28, 2026.

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