Is NeverTooManyBooks safe?

NeverTooManyBooks is a book catalogue application, to keep track of your books and comics. Books can be added either manually, by ISBN, or by barcode. Data is fetched from multiple internet sites, including Amazon, Google Books, ISFDB, OpenLibrary and others.

Developer: tfonteyn
Category: Reading
Earliest archived version: 17 Oct 2026
License: GPL-3.0-only (per IzzyOnDroid metadata)

02 / Release notes

Release notes from IzzyOnDroid

22 Oct 2026

8.1.1

FIXES: - GitHub 257 tracking progress not getting saved

Full notes →

17 Oct 2026

8.1.0

NEW: - Calibre sync performance has been improved by a magnitude. The Calibre extension code is rewritten as a Calibre plugin. - BedeTheque rewrite to adapt the major site changes. - LibraryThing for alternative-edition searches. Registration is required. - GoogleBooks optional registration to…

Full notes →

03 / Package identity

Technical fingerprint

Application IDcom.hardbacknutter.nevertoomanybooks

Latest APK SHA-256b38320e7eacf02ba66fe18cbdb509fc6fa22a103a891ddc5f6436f755f124aee

Signing certificateDF:97:1C:E7:D5:8D:3C:DF:37:7C:32:E0:E2:F5:3D:65:99:BD:7F:13:0A:50:C0:52:9C:45:58:3D:DC:12:A0:08

MIN ANDROID26TARGET37ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / History

Archive history

2 versions in WIKI archive: earliest 8.1.0 (17 Oct 2026), latest 8.1.1 (22 Oct 2026).

No change in android.permission.* between 8.1.0 and 8.1.1.

05 / Version archive

Documented releases

2 TOTAL

VersionReleasedAndroidArchitecture

8.1.122 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→8.1.017 Oct 202626+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

SourceBinary repo · izzyondroid

Permissions8 declared · 2 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessCAMERAREAD_CONTACTS

Declared permissions

android.permission.ACCESS_LOCAL_NETWORK android.permission.ACCESS_NETWORK_STATE android.permission.ACCESS_WIFI_STATE android.permission.CAMERA android.permission.INTERNET android.permission.POST_NOTIFICATIONS android.permission.READ_CONTACTS com.hardbacknutter.nevertoomanybooks.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↗