CompEngine vs Swimstr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CompEngine
This app fosters a competitive environment for users to connect and improve their skills. It aims to be a place where achievements are recognized and new friendships can form, regardless of prior experience.
- Competitive platform
- Skill improvement
- Community building
- Friendship creation
- Success celebration
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We built the Engine to have fun and give everyone a chance to compete. Help us create a spot where success is celebrated and friendships are made. Whether you've cut your teeth off the grid or in the parks, we can all help each other level up.
Swimstr
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The app for Swim Instructors: track the journey of your students to water safety!
Screenshots
Verdict
CompEngine and Swimstr are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
CompEngine ships an update every 3 weeks, Swimstr monthly. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.
| Parameter | CompEngine | Swimstr |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (25 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 37 MB | 29 MB |
| Age rating | 12+ | 17+ |
| Developer | CompEngine, LLC | LK Swim School Inc. |
In-app purchases
CompEngine
No in-app purchases
Swimstr
No in-app purchases
