Compo Owl vs Kiasu Labs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compo Owl
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Compo Owl enables composition practice from the comfort of home. Get access to teachers familiar with the MOE syllabus with a tap of a button. 1. Child Writes Composition Access our app to view the compo question and begin writing on any foolscap paper. 2. Upload Composition for Marking Capture your child’s composition and upload it onto Compo Owl with just a few simple clicks. 3. Compo Specialist Grades The Work Get experienced teachers familiar with MOE-standard grading to mark the composition and provide feedback. Follow-up with corrections and track your progress!
Kiasu Labs
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Your personal AI trainer for PSLE and Primary 1 - 6 Get endless practice questions with instant AI feedback. Paid subscription is required to use all features in the app, except limited trial practice questions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Compo Owl at 13.4 against Kiasu Labs's 15.1. 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.
Compo Owl ships an update every 2 weeks, Kiasu Labs every 10 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | Compo Owl | Kiasu Labs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 28 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | EDUFERN PTE. LTD. | HASHSPARKS PTE. LTD. |
In-app purchases
Compo Owl
No in-app purchases
Kiasu Labs
No in-app purchases
Questions
Is Compo Owl free?
Is Kiasu Labs free?
Do Compo Owl or Kiasu Labs have ads?
Which is updated more often, Compo Owl or Kiasu Labs?
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