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Put 2 to 5 apps side by side, from Google Play, the App Store, or both.
The leader in each row is highlighted.
Daily position in Vietnam. Higher on the graph is better (rank 1 is the top).
| Date | Bubble Level - Le… | Data Transfer - C… |
|---|---|---|
| 17 Oct 2026 | — | #51 |
| 16 Oct 2026 | — | #53 |
| 15 Oct 2026 | — | #56 |
| 14 Oct 2026 | — | #57 |
| 13 Oct 2026 | — | #56 |
| 12 Oct 2026 | — | #58 |
| 11 Oct 2026 | — | #64 |
| 10 Oct 2026 | — | #52 |
| 9 Oct 2026 | — | #51 |
| 8 Oct 2026 | — | #57 |
Not in this chart in Vietnam: Bubble Level - Level Tool.
Share of ratings at each star level. A big 1★ bar means many unhappy users.
Bubble Level - Level Tool
★ 4.81 · 37,626 ratings
Data Transfer - Copy My Data
★ 4.91 · 29,915 ratings
How each app sells itself on the store, how it makes money, and what devices it needs.
New ratings per day is the best free sign of how many people are downloading right now: more new ratings means more new players.
Not enough daily data yet. The graph appears after the daily scraper has collected these apps on at least 2 days.
What each app changed, and when. Compare the dates with the rank graph to see what worked.
No changes found in this period.
Best position in each country's top charts. The 10 countries where these apps are strongest.
From each app's saved English reviews. The red cell is where an app gets the most complaints, which is your chance to do better.
Bubble Level - Level Tool
Biggest complaint: too many ads
“You'll have to kne handedly navigate the pop up adverts, the rate me pop up you can't close, the switching to a completely random app in the middle of levell…”
Data Transfer - Copy My Data
Biggest complaint: too many ads
“Non stop watching ads on 2 devices just to constantly be told the transfer failed, & to try again.”
