Trust and verification
Verified hashes, stronger trust profiles, and lower-risk releases rise faster in the shortlist.
Ranked decision page
45 active apps
Birthday Adapter
Use this track when you want safer, fresher, or leaner substitutes for a specific Android app.
45 active apps
Privacy guardrails first
Fresh releases matter
How this track ranks apps
These pages are not alphabetical lists. Each track emphasizes a different decision priority.
Release freshness
More recent releases usually rank better because users need options that are still maintained.
Footprint and install size
Smaller packages score better when the track is sensitive to storage, bandwidth, or device overhead.
Ranked options
Ordered using trust, risk, footprint, freshness, and category fit signals.
#1
NoNonsense Notes
NoNonsense Notes is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 2.9 MB.
NoNonsense Notes is an Android app in Calendar & Agenda with a clean, verified release timeline. Release-Übersicht: Neueste Version: 7.2.6 | Entwickler: Space Cowboy, CampelloManu...
Priority score: 73
Trust score: 81
Risk: Niedriges Risiko
Dangerous permissions: 1
Size: 2.9 MB
1 versions tracked
#2
PolyCal
PolyCal is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 3.2 MB.
L Kategorie: Calendar & Agenda. Release-Übersicht: Min. SDK 24 | Entwickler: Jason Gyorog | Neueste Version: 1.7 | Aktualisiert: 2000-05-03 | Ziel-SDK 31 | Kategorie: Calendar & A...
Priority score: 73
Trust score: 81
Risk: Niedriges Risiko
Dangerous permissions: 1
Size: 3.2 MB
1 versions tracked
#3
Periodical
Periodical is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 3.0 MB.
Periodical for Android (Calendar & Agenda) with version history and verified package details. Release-Übersicht: Kategorie: Calendar & Agenda | Ziel-SDK 36 | Aktualisiert: 2004-04...
Priority score: 69
Trust score: 87
Risk: Niedriges Risiko
Dangerous permissions: 0
Size: 3.0 MB
1 versions tracked
#4
Linwood Flow Nightly
Linwood Flow Nightly is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 82.2 MB.
Linwood Flow Nightly for Android (Calendar & Agenda) with version history and verified package details. Release-Übersicht: Größe: 82.2 MB | Min. SDK 24 | Paket: dev.linwood.flow.n...
Priority score: 67
Trust score: 84
Risk: Niedriges Risiko
Dangerous permissions: 1
Size: 82.2 MB
1 versions tracked
#5
Roto
Roto is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 5.3 MB.
Roto for Android (Calendar & Agenda) with version history and verified package details. Release-Übersicht: Neueste Version: 1.0.7 | Größe: 5.3 MB | ABI arm64-v8a, armeabi-v7a, x86...
Priority score: 66
Trust score: 90
Risk: Niedriges Risiko
Dangerous permissions: 0
Size: 5.3 MB
1 versions tracked
#6
Calendar Color
Calendar Color is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 8.0 MB.
Eine einfache App zum Ändern der Farbe eines Kalenders in Android 6+. Release-Übersicht: Größe: 8 MB | Paket: ch.ihdg.calendarcolor | Kategorie: Calendar & Agenda | Min. SDK 24 |...
Priority score: 63
Trust score: 84
Risk: Niedriges Risiko
Dangerous permissions: 2
Size: 8.0 MB
1 versions tracked
#7
CalEF (Calendar Entry Formatter)
CalEF (Calendar Entry Formatter) is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 0.6 MB.
CalEF (Calendar Entry Formatter) for Android (Calendar & Agenda) with version history and verified package details. Release-Übersicht: Größe: 621.4 KB | Kategorie: Calendar & Agen...
Priority score: 62
Trust score: 62
Risk: Mittleres Risiko
Dangerous permissions: 0
Size: 0.6 MB
1 versions tracked
#8
Calendar Import-Export
Calendar Import-Export is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 1.6 MB.
Calendar Import-Export for Android (Calendar & Agenda) with version history and verified package details. Release-Übersicht: Neueste Version: 2.8.1 | Größe: 1.6 MB | Paket: org.su...
Priority score: 62
Trust score: 62
Risk: Mittleres Risiko
Dangerous permissions: 0
Size: 1.6 MB
1 versions tracked
#9
TKWeek
TKWeek is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 4.9 MB.
TKWeek for Android (Calendar & Agenda) with version history and verified package details. Release-Übersicht: Neueste Version: 2.3.1 | Kategorie: Calendar & Agenda | Aktualisiert:...
Priority score: 61
Trust score: 72
Risk: Mittleres Risiko
Dangerous permissions: 0
Size: 4.9 MB
1 versions tracked
#10
Timed Silence - Don't let your phone rattle you!
Timed Silence - Don't let your phone rattle you! is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 5.6 MB.
Timed Silence - Don't let your phone rattle you! Release-Übersicht: Aktualisiert: 2005-09-12 | Min. SDK 26 | Neueste Version: 3.1.3 | Größe: 5.6 MB | Paket: de.felixnuesse.timedsi...
Priority score: 61
Trust score: 72
Risk: Mittleres Risiko
Dangerous permissions: 0
Size: 5.6 MB
1 versions tracked
#11
Valentin's PowerTools #036 - Ease The Waiting APK herunterladen v1.1.1 A
Valentin's PowerTools #036 - Ease The Waiting APK herunterladen v1.1.1 A is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 5.3 MB.
APK-Vertrauensausweis: Vertrauenswert: 72. Release-Übersicht: Paket: v4lpt.vpt.f036.esw | Neueste Version: 1.1.1 | Aktualisiert: 2000-03-21 | Min. SDK 26 | Größe: 5.3 MB | Ziel-SD...
Priority score: 61
Trust score: 72
Risk: Mittleres Risiko
Dangerous permissions: 0
Size: 5.3 MB
1 versions tracked
#12
Hypezig
Hypezig is worth comparing against Birthday Adapter when you want a similar category fit with a footprint around 2.3 MB.
A closer look at Hypezig: release details and update history in Calendar & Agenda. Release-Übersicht: Entwickler: Markus Kollotzek | Kategorie: Calendar & Agenda | Neueste Version...
Priority score: 60
Trust score: 56
Risk: Mittleres Risiko
Dangerous permissions: 0
Size: 2.3 MB
1 versions tracked
Questions users ask before choosing
Short answers for the trade-offs behind each library track.
When should I use alternatives pages for Birthday Adapter?
Use this track when you already know the app you want to replace and need practical substitutes quickly.
What decides the order on an alternatives page?
The ordering favors safer trust context, fresher releases, cleaner permission signals, and useful differentiation from the current pick.
What is the main trade-off in alternatives pages?
The goal is not to find the most popular app overall, but the most credible replacement for the specific app you started from.
Explore another decision track
Switch lenses without leaving the category or app research flow.
55 best-of pages
Best Of
Use this track when you want the strongest all-around shortlist for a category, not just a single app swap.
55 privacy pages
Privacy
Use this track when permission minimization, risk context, and verification clarity matter more than raw popularity.
55 lightweight pages
Lightweight
Use this track when you need smaller installs and lower overhead without dropping trust context entirely.