Assembly Lines vs Sharpen Knife Run
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Assembly Lines
Design and assemble custom cars by selecting the right parts to increase their value. Race them on a ramp and avoid mistakes to maximize your earnings. Unlock new levels as you progress.
- Assemble cool cars
- Change parts and bits
- Increase car value
- Unlock new levels
- Race on a ramp
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Who doesn't love cars? Let's drive into the experience of getting cars ready! Sporty or convertible? Create and assemble amazing cars and increase their value by adding tons of cool bits and making them look pricey. Keep your pace speedy on the ramp and choose the right parts to assemble for your car. But be careful, don’t choose the wrong engine or body it’ll drop the value of your car and you will lose it all! Don't smash them before you put them on sale! Features: - Assemble cool cars - Change parts and bits - Increase their value - Unlock new levels
Sharpen Knife Run
Control a knife, sharpening it as you go to cut through obstacles. Experience a fun and easy-to-operate gameplay experience.
- Sharpen knife
- Cut objects
- Obstacle course
- Easy controls
- Fun gameplay
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Sharpen the knife to cut objects in the road. Come and try it. Easy to operate, full of fun!
Screenshots
Verdict
The clearest difference is in-app purchases: Assembly Lines at none against Sharpen Knife Run's 3. Assembly Lines also leads on update cadence (every 2 days vs weekly) and iOS requirement (10.0 vs 12.0). Sharpen Knife Run's advantage is ratings volume (1.3K vs 10). On price, rating, ads 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. Sharpen Knife Run sells 3 one-off in-app purchases. Assembly Lines asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Assembly Lines against 4.6 for Sharpen Knife Run. That said, the two scores are not equally well evidenced: Sharpen Knife Run has 1.3K ratings behind it against 10, so its average is the more settled of the two.
Assembly Lines ships an update every 2 days, Sharpen Knife Run weekly. Both last shipped on November 3, 2026.
| Parameter | Assembly Lines | Sharpen Knife Run |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (10 ratings) — better | 4.6 (1.3K ratings) |
| Positive reviews | — | 20.0% of reviews |
| Number of ratings | 10 | 1.3K — better |
| Update frequency | Every 2 days — better | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 163 MB | 370 MB |
| Age rating | 12+ | 12+ |
| Developer | Clap Clap Games | SUPERSONIC STUDIOS LTD |
Customer experience
Assembly Lines
Sharpen Knife Run
Bugs and requests
Assembly Lines
Not enough reviews yet to summarise bugs or requests.
Sharpen Knife Run
Reported bugs
3 issues- Game crashes after update
- Booster and gate glitches
- Game won't load
Requested features
2 requests- More knives past level 20
- Increase difficulty as you progress
In-app purchases
Assembly Lines
No in-app purchases
Sharpen Knife Run
- No Ads$2.99
- No Ads + 8,000$3.99
- No Ads + 20,000 + Knifves Pack$5.99
Questions
Is Assembly Lines free?
Is Sharpen Knife Run free?
Which has better reviews, Assembly Lines or Sharpen Knife Run?
Do Assembly Lines or Sharpen Knife Run have ads?
Which is updated more often, Assembly Lines or Sharpen Knife Run?
Other comparisons
