FireDocket vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FireDocket
This app displays firefighter shift schedules and other repeating team schedules. It supports up to four shifts and can be configured for any schedule length. Users can also print a full-year color calendar to share with family and friends.
- Firefighter shift schedule display
- Supports up to four shifts
- Configurable for any shift sequence length
- Printable full-year color calendar
- Easy schedule sharing
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FireDocket is a simple to use calendar for displaying firefighter shift schedules - or any schedules where teams work according to a fixed shift sequence that is shorter than the month and stays the same throughout the year. It supports up to four shifts or platoons at a time and any shift schedule. It comes preset to a 21 day shift sequence and is easily configured to any other schedule in minutes. All you need is the current month's schedule that the fire station or your supervisor provided and the length (in days) of the shift sequence. (The preset sequence is ABCACACBCABABACABCBCB, is 21 days long, and starts repeating at day 22.) You will find that you can also print a full-year color calendar to any wireless printer in the area. It's useful for sharing your schedule with spouses, kids, friends, etc – but they could also have their own FireDocket apps since the app is distributed for free. Unlike most of the other fire calendar applications offered in the App Stores, this one is free (with ads). FireDocket does not provide facilities for trading days or marking paydays or noting holidays – but what it does do, it does very simply, very fast and very well ! The months of your work year are only a swipe away. Give it a try, what do you have to lose !
Calculator
A clean and accurate calculator for iPhone and iPad that prioritizes user experience with no ads or pop-ups. It offers essential math functions, a history log, a unit converter, and an optional scientific mode. Premium features include additional themes and history export.
- Ad-free experience
- Full expression view
- Automatic calculation history
- Unit converter
- Scientific mode
- Dark Mode support
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A calculator that gets out of your way. No ads, no pop-ups, no account. Just clean, accurate math on iPhone and iPad. WHY PEOPLE SWITCH Most free calculators interrupt you with video ads, upgrade screens and rating pop-ups. Calculator: Simple & Clean never does. Open it and start typing. MATH YOU CAN TRUST • Correct order of operations, so 2 + 3 × 4 = 14 • See the full expression as you type, with a live result • Smart percent, sign toggle and decimal formatting • Repeat the last operation by tapping equals again • Safe handling of divide by zero HISTORY THAT STAYS • Every calculation is saved automatically • Tap any past result to use it again • Swipe to delete single entries or clear it all SCIENTIFIC MODE • Rotate to landscape or tap the toggle for scientific functions • sin, cos, tan, logs, powers, roots, factorial, pi and e • Degrees and radians UNIT CONVERTER Convert length, weight, temperature, volume, area, speed, time and data in one tap. FAST, FORGIVING INPUT • Backspace key, or swipe the display to delete the last digit • Long press to copy a result, paste numbers straight in • Gentle haptic feedback on every key • Large, easy to hit buttons DESIGNED FOR YOU • Beautiful themes, with full Dark Mode support • Works on iPhone and iPad, in portrait and landscape PRIVATE BY DESIGN No ads. No account. No tracking. Your numbers and calculations never leave your device. Works fully offline. PREMIUM (OPTIONAL) The calculator, history, scientific mode and unit converter are free forever. Premium adds: • Extra themes • Alternate app icons • Search and export your history Premium is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sebastiandoyle.github.io/simple-calculator-ios/privacy-policy.html
Screenshots
Verdict
The clearest difference is rating: FireDocket at 5.0 against Calculator's 1.0. FireDocket also leads on monetization model (ad-supported vs freemium) and iOS requirement (13.0 vs 17.0). Calculator's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 months). On price, ratings volume, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FireDocket holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
FireDocket ships an update every 3 months, Calculator every 3 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.
| Parameter | FireDocket | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Rich Willems | Sebastian Doyle |
Customer experience
FireDocket
Calculator
In-app purchases
FireDocket
No in-app purchases
Calculator
No in-app purchases









