Sleep Monitor: Sleep Tracker
Xi'an Monster Software Technology Co., Ltd
Rank history
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Sleep Monitor: Sleep Tracker recently hit its all-time peak of #2 on the App Store (2026-07-30), reflecting an overall strong upward trajectory that also shows in its 30-day average of #9. In its current standings, the app is performing best in smaller markets, leading with #5 on Nauru's Top Free chart (a notable jump of +73 positions) and #8 on the Cayman Islands' Top Free chart. It holds dual top-tier positions in Trinidad and Tobago's Top Grossing chart at #13 (+19), with additional Top Grossing ranks of #17 in Ghana and #23 in Kenya. Overall, the app is climbing across both Top Free and Top Grossing charts in niche markets, consistent with its recent peak performance.
Position heatmap
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Current rankings
| Country | Chart | Rank | 7d | Δ |
|---|---|---|---|---|
| Fiji | Top Grossing | #3 | — | — |
| Fiji | Top Grossing | #3 | — | — |
| Cayman Islands | Top Grossing | #6 | — | — |
| Cayman Islands | Top Grossing | #6 | — | — |
| Nauru | Top Free | #7 | 22 | |
| Cayman Islands | Top Free | #8 | — | — |
| Bahamas | Top Grossing | #9 | — | — |
| Bahamas | Top Grossing | #9 | — | — |
| Belize | Top Free | #13 | 52 | |
| Bosnia and Herzegovina | Top Grossing | #16 | 7 | |
| Bosnia and Herzegovina | Top Grossing | #16 | 7 | |
| Cayman Islands | Top Free | #16 | 80 | |
| Ghana | Top Grossing | #17 | — | — |
| Ghana | Top Grossing | #17 | — | — |
| Kenya | Top Grossing | #23 | — | — |
| Kenya | Top Grossing | #23 | — | — |
| Latvia | Top Grossing | #32 | — | — |
| Latvia | Top Grossing | #32 | — | — |
| Maldives | Top Grossing | #35 | — | — |
| Maldives | Top Grossing | #35 | — | — |
| Bhutan | Top Free | #37 | — | — |
| Malawi | Top Free | #39 | — | — |
| Mongolia | Top Grossing | #45 | — | — |
| Mongolia | Top Grossing | #45 | — | — |
| Brunei | Top Grossing | #47 | — | — |
| Brunei | Top Grossing | #47 | — | — |
| Madagascar | Top Free | #48 | 30 | |
| Namibia | Top Free | #48 | — | |
| Bosnia and Herzegovina | Top Grossing | #51 | — | — |
| Bosnia and Herzegovina | Top Grossing | #51 | — | — |
| Solomon Islands | Top Grossing | #53 | 6 | |
| Solomon Islands | Top Grossing | #53 | 6 | |
| Fiji | Top Grossing | #54 | — | — |
| Malaysia | Top Grossing | #54 | — | — |
| Malaysia | Top Grossing | #54 | — | — |
| North Macedonia | Top Grossing | #54 | 23 | |
| North Macedonia | Top Grossing | #54 | 23 | |
| Belarus | Top Grossing | #55 | — | |
| Belarus | Top Grossing | #55 | — | |
| Cambodia | Top Grossing | #56 | — | — |
| Cambodia | Top Grossing | #56 | — | — |
| Hong Kong | Top Grossing | #59 | — | — |
| Hong Kong | Top Grossing | #59 | — | — |
| Bhutan | Top Grossing | #62 | — | — |
| Bhutan | Top Grossing | #62 | — | — |
| Palau | Top Grossing | #64 | 1 | |
| Palau | Top Grossing | #64 | 1 | |
| Vanuatu | Top Free | #64 | 1 | |
| Bhutan | Top Grossing | #65 | — | |
| Bhutan | Top Grossing | #65 | — | |
| Sierra Leone | Top Grossing | #69 | 41 | |
| Sierra Leone | Top Grossing | #69 | 41 | |
| Taiwan | Top Grossing | #70 | — | |
| Taiwan | Top Grossing | #70 | — | |
| Estonia | Top Grossing | #74 | — | — |
| Estonia | Top Grossing | #74 | — | — |
| Cayman Islands | Top Grossing | #75 | — | — |
| Bermuda | Top Free | #79 | 28 | |
| Tonga | Top Free | #81 | 1 | |
| Rwanda | Top Grossing | #85 | 3 | |
| Rwanda | Top Grossing | #85 | 3 | |
| Trinidad and Tobago | Top Grossing | #85 | 17 | |
| Trinidad and Tobago | Top Grossing | #85 | 17 | |
| Laos | Top Free | #93 | — | — |
| Dominica | Top Grossing | #96 | — | — |
| Dominica | Top Grossing | #96 | — | — |
| Gabon | Top Grossing | #96 | 1 | |
| Gabon | Top Grossing | #96 | 1 | |
| Dominica | Top Grossing | #97 | 1 | |
| Dominica | Top Grossing | #97 | 1 | |
| Serbia | Top Grossing | #98 | — | — |
| Serbia | Top Grossing | #98 | — | — |
| Jamaica | Top Free | #99 | — | — |
| Micronesia | Top Free | #99 | 7 | |
| Cambodia | Top Free | #100 | — | — |
| Cameroon | Top Grossing | #100 | — | — |
| Cameroon | Top Grossing | #100 | — | — |
| Gabon | Top Grossing | #100 | — | — |
| Gabon | Top Grossing | #100 | — | — |