Concept Keywords vs QI Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Concept Keywords
This app provides random creative prompts to inspire sketching, illustration, and design projects. It's a tool for generating unique ideas to fuel your artistic endeavors.
- Random idea generation
- Sketching inspiration
- Illustration prompts
- Design ideas
- Creative tool
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CONCEPT KEYWORDS is an application to help you sketch, illustrate or design with random amazing ideas.
QI Calculator
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1. A calculator that fully conforms to handwriting habits, so you no longer need to master different input methods for calculating data 2. There may be some imperfections, but everyone can provide valuable feedback on the premise of promising not to require fees. 3. Pay attention to the use of the cursor 4. Terms of Use (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 5.Privacy Policy:http://www.iphonesir.com/privacypolicy.html
Screenshots
Verdict
The clearest difference is update cadence: QI Calculator at every 3 weeks against Concept Keywords's every 2 months. Concept Keywords's advantage is iOS requirement (8.0 vs 15.0). On price, ads, 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. Concept Keywords sells 4 one-off in-app purchases and QI Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Concept Keywords ships an update every 2 months, QI Calculator every 3 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | Concept Keywords | QI Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (12 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 67 MB | 129 MB |
| Age rating | 17+ | 4+ |
| Developer | Fiision Studio Company Limited | shouhui qi |
In-app purchases
Concept Keywords
- Donate $1.00$0.99
- Donate $3.00$2.99
- Donate $5.00$4.99
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- Donate $10.00$9.99
QI Calculator
- Theme$0.99
- Theme Blue Sky$0.99
Questions
Is Concept Keywords free?
Is QI Calculator free?
Do Concept Keywords or QI Calculator have ads?
Which is updated more often, Concept Keywords or QI Calculator?
Other comparisons
