Compare apps
Put 2 to 5 apps side by side, from Google Play, the App Store, or both.
Key numbers
The leader in each row is highlighted.
Piston - OBD2 Car ScannerFIXD OBD2 Scanner
Rating★ 4.29—
Number of ratings5,59330,065
InstallsGoogle Play only1,000,000+1,000,000+
Countries in top chartsToday015
Best rank today—#1 · United States · Top Grossing
Rank history
Daily position in United States. Higher on the graph is better (rank 1 is the top).
- Piston - OBD2 Car Scanner · not in this chart
- FIXD OBD2 Scanner · Auto and vehicles
Show as table
| Date | Piston - OBD2 Car… | FIXD OBD2 Scanner |
|---|---|---|
| 13 Oct 2026 | — | #24 |
| 12 Oct 2026 | — | #24 |
| 11 Oct 2026 | — | #25 |
| 10 Oct 2026 | — | #23 |
| 9 Oct 2026 | — | #23 |
| 8 Oct 2026 | — | #24 |
Piston - OBD2 Car ScannerFIXD OBD2 Scanner
Days in the chartOut of 606 (leader)
Days in the top 1000
Rating breakdown
Share of ratings at each star level. A big 1★ bar means many unhappy users.
Piston - OBD2 Car Scanner
★ 4.29 · 5,593 ratings
5★63%
4★19%
3★10%
2★0%
1★8%
FIXD OBD2 Scanner
No rating · 30,065 ratings
5★
Store page, money and tech
How each app sells itself on the store, how it makes money, and what devices it needs.
Piston - OBD2 Car ScannerFIXD OBD2 Scanner
Store page
Name lengthBoth stores allow 30 characters25 / 3017 / 30
Short descriptionGoogle Play, up to 80 characters74 / 8037 / 80
Description360 words (leader)58 words
Screenshots822 (leader)
Promo video