Deadline Guardian
by Astratech s.r.o.
· Productivity
· Free
On the App Store since June 2026
· Data updated
Deadline Guardian is made and published by Astratech s.r.o. AppBrain is an independent app data site and isn't affiliated with Astratech s.r.o. The app name, icon, screenshots and description belong to Astratech s.r.o. and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- September 10, 2026
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Competitors
Similar apps and more from Astratech s.r.o.Also available on Google Play
Releases
Updates seen on the App Store- Version
- 1.2.2
- Launched
- June 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 47.8 MB
- Content rating
- Everyone
Technologies used by Deadline Guardian
About the app and developer
About Deadline Guardian
Deadline Guardian is a productivity app developed by Astratech s.r.o.
User Ratings
The app has no ratings yet.
App Information
Deadline Guardian is freely available from the App Store. The app size is 47.81 MB. The latest version available is 1.2.2. The last update was on September 10, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since June 2026.
Developer information for Astratech s.r.o.
Address:
Store listing
By Astratech s.r.o., from the App Store
Screenshots by Astratech s.r.o., from the the App Store listing
Description by Astratech s.r.o. Written by the developer, not by AppBrain. Click to read.
Deadline Guardian is your hub for everything that recurs in life – inspections, services, insurance, vaccinations, contracts.
Create a device (car, home, pet), add a deadline, and the app warns you in advance – up to 30 days ahead on legal templates. You set the lead time per item, even on the due date itself. After completing it, log the supplier, cost and a photo of the receipt – the app calculates the next due date.
WHAT DEADLINE GUARDIAN TRACKS
• Vehicle – periodic inspection, mandatory liability insurance, tire swap, oil, brake fluid, timing belt
• Home – boiler, lightning protection, fire extinguishers, elevator, septic / wastewater, solar PV, AC, heat pump
• Documents – passport, driving licence, tax return, road toll, insurance policies
• Health – preventive checkups, vaccinations, mammography, dentist
• Family – birthdays, anniversaries, child vaccinations, growth log
• Pets – vaccines, deworming, flea/tick, vet visits, microchip
• Pool – pH, alkalinity, shock chlorination, winterizing, sand replacement
• Garden – fertilizing, pruning, watering, mulching
WHY DEADLINE GUARDIAN
– 100+ universal templates plus country packs for Czechia, Slovakia, Germany, Austria and Switzerland
– Reminders with enough lead time – up to 30 days ahead on legal templates, and you set it per item
– Sync across devices (phone ↔ tablet ↔ web) with email sign-in
– Cost + supplier per completion – see your annual cost of running a house or car
– Correct legal intervals per country – HU/"TÜV", Pickerl, MFK, STK, chimney sweep, vignettes; country picker in Settings
– No ads, no tracking – telemetry is anonymous and toggleable
– Free at launch – no subscription needed for normal use
TYPICAL USE
"I missed my STK because I didn't note the date" – never again. The app reminds you well ahead, and you decide how early.
"When did we last inspect the lightning rod?" – history per item. Photo of the protocol, invoice, service company name.
"How much does my car cost per year?" – monthly / yearly costs grouped by device.
"My calendar is full of deadlines" – all of them in one app, push notifications at the right time.
PRIVACY (GDPR)
The app does NOT collect your precise location, contacts, financial or health data. Telemetry is anonymous and can be turned off any time. Data is hosted in the EU on Supabase. Account deletion is one tap in Settings – immediate erasure including backups within 30 days.
TECHNOLOGY
• React Native + Expo SDK 54 – native app and web version
• Supabase (EU) – authentication, sync, storage
• PostHog (EU) – anonymous analytics, opt-out in Settings
• Resend – transactional email (sign-in codes)
• No advertising SDKs
ASTRATECH S.R.O.
Built by Astratech s.r.o. (Czechia). Our data, EU hosting, our support. No big tech, no reselling of your data.
Web: https://deadlineguardian.app
Contact: support@deadlineguardian.app
FEEDBACK
The app is in active development. Missing something? Email support@deadlineguardian.app – we reply within 7 days, often the same day.
Terms of Use: https://deadlineguardian.app/terms-en
Create a device (car, home, pet), add a deadline, and the app warns you in advance – up to 30 days ahead on legal templates. You set the lead time per item, even on the due date itself. After completing it, log the supplier, cost and a photo of the receipt – the app calculates the next due date.
WHAT DEADLINE GUARDIAN TRACKS
• Vehicle – periodic inspection, mandatory liability insurance, tire swap, oil, brake fluid, timing belt
• Home – boiler, lightning protection, fire extinguishers, elevator, septic / wastewater, solar PV, AC, heat pump
• Documents – passport, driving licence, tax return, road toll, insurance policies
• Health – preventive checkups, vaccinations, mammography, dentist
• Family – birthdays, anniversaries, child vaccinations, growth log
• Pets – vaccines, deworming, flea/tick, vet visits, microchip
• Pool – pH, alkalinity, shock chlorination, winterizing, sand replacement
• Garden – fertilizing, pruning, watering, mulching
WHY DEADLINE GUARDIAN
– 100+ universal templates plus country packs for Czechia, Slovakia, Germany, Austria and Switzerland
– Reminders with enough lead time – up to 30 days ahead on legal templates, and you set it per item
– Sync across devices (phone ↔ tablet ↔ web) with email sign-in
– Cost + supplier per completion – see your annual cost of running a house or car
– Correct legal intervals per country – HU/"TÜV", Pickerl, MFK, STK, chimney sweep, vignettes; country picker in Settings
– No ads, no tracking – telemetry is anonymous and toggleable
– Free at launch – no subscription needed for normal use
TYPICAL USE
"I missed my STK because I didn't note the date" – never again. The app reminds you well ahead, and you decide how early.
"When did we last inspect the lightning rod?" – history per item. Photo of the protocol, invoice, service company name.
"How much does my car cost per year?" – monthly / yearly costs grouped by device.
"My calendar is full of deadlines" – all of them in one app, push notifications at the right time.
PRIVACY (GDPR)
The app does NOT collect your precise location, contacts, financial or health data. Telemetry is anonymous and can be turned off any time. Data is hosted in the EU on Supabase. Account deletion is one tap in Settings – immediate erasure including backups within 30 days.
TECHNOLOGY
• React Native + Expo SDK 54 – native app and web version
• Supabase (EU) – authentication, sync, storage
• PostHog (EU) – anonymous analytics, opt-out in Settings
• Resend – transactional email (sign-in codes)
• No advertising SDKs
ASTRATECH S.R.O.
Built by Astratech s.r.o. (Czechia). Our data, EU hosting, our support. No big tech, no reselling of your data.
Web: https://deadlineguardian.app
Contact: support@deadlineguardian.app
FEEDBACK
The app is in active development. Missing something? Email support@deadlineguardian.app – we reply within 7 days, often the same day.
Terms of Use: https://deadlineguardian.app/terms-en