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Directory/Development/NightbellSOURCE-BACKED RECORD
Nightbell app icon
maintained

Nightbell

me.river.nightbell

Uptime monitoring that runs on your phone. No server, no account.

Latest documented release3.18.014 Oct 2026 · 2.6 MB→
⬇ Download APK3.18.0 · 2.6 MBPublisher site ↗

01 / Overview

Is Nightbell safe?

Point Nightbell at anything that answers over HTTP, or at one element on a rendered web page, and it watches it, charts it, and gets loud when it breaks. There is no server and no account. The phone in your pocket does the checking, and your API tokens and target URLs never leave the device. Three kinds of monitor: - Status check: hit a URL, assert on the status code. - Request and response: pick…

Developer
river
Category
Development
Earliest archived version
02 Sept 2026
License
Apache-2.0 (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

3.18.0

Nightbell can now read a health report your service writes about itself. Instead of only knowing that a server answered, it shows which part is in trouble, the rule that decided it with the value it measured, and what the service saw along the way. The overall verdict pages you; the rest is there…

Full notes →
3.16.0

Outages can now be posted to a team, not only to this phone. Nightbell sends them to Microsoft Teams, Slack, Discord, Google Chat, ntfy, Gotify, Telegram, or any address with a body you write yourself, straight from the phone with nothing in between. Each webhook keeps the failure threshold and…

Full notes →
3.15.0

Page element monitors now use a small fraction of the mobile data they did. They load from cache, skip fonts, video and trackers, and stop as soon as the element is found, while still asking the server for the page on every check. On real sites a check went from 150 to 350 KB down to under 10 KB.…

Full notes →

03 / Package identity

Technical fingerprint

Application IDme.river.nightbell
Latest APK SHA-2569ad2ee741f1b1350079c0f092a64173308ca07a12fe00a1452c1328b0a5215ff
Signing certificate20:D8:AB:DA:A8:41:6A:9A:75:1E:3E:A1:44:EF:15:23:D7:DD:BA:AE:EE:9E:C6:BE:01:D6:3A:65:57:4A:70:DE
MIN ANDROID26TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / History

Archive history

9 versions in WIKI archive: earliest 3.7.0 (02 Sept 2026), latest 3.18.0 (14 Oct 2026).

No change in android.permission.* between 3.16.0 and 3.18.0.

05 / Version archive

Documented releases

9 TOTAL
VersionReleasedAndroidArchitecture
3.18.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.16.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.15.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.14.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.13.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.12.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.11.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.10.026+arm64-v8a, armeabi-v7a, x86, x86_64→3.7.026+arm64-v8a, armeabi-v7a, x86, x86_64→

06 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source
IntegritySHA-256 verified vs source
SourceOpen-source · fdroid
Permissions14 declared · 1 sensitive
Signaturepresent
Anti-featuresNo known anti-features
Sensitive accessREQUEST_INSTALL_PACKAGES

Declared permissions

android.permission.ACCESS_NETWORK_STATEandroid.permission.ACCESS_NOTIFICATION_POLICYandroid.permission.FOREGROUND_SERVICEandroid.permission.FOREGROUND_SERVICE_SPECIAL_USEandroid.permission.INTERNETandroid.permission.POST_NOTIFICATIONSandroid.permission.POST_PROMOTED_NOTIFICATIONSandroid.permission.RECEIVE_BOOT_COMPLETEDandroid.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONSandroid.permission.REQUEST_INSTALL_PACKAGESandroid.permission.USE_FULL_SCREEN_INTENTandroid.permission.VIBRATEandroid.permission.WAKE_LOCKme.river.nightbell.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

07 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗