ShiftCal® for Seattle Fire vs Bad Elf Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShiftCal® for Seattle Fire
This specialized calendar app helps Seattle Fire Department members track their work shifts. It highlights debit days in a distinct color and can optionally display paydays. It is designed exclusively for shift scheduling, not general event planning.
- Shift calendar for fire department
- Debit day highlighting
- Optional payday display
- Shift scheduling focus
- iPhone and iPad support
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ShiftCal for Seattle Fire Department is a shift calendar with full support for debit days, which are displayed in an alternate color. ShiftCal also optionally displays paydays. Note: ShiftCal is a shift calendar; it is not an event/appointment calendar.
Bad Elf Flex
This utility app enhances the functionality of Bad Elf Flex and Flex Mini GNSS receivers. It allows users to monitor hardware health, adjust settings, and update firmware. For the Flex model, it also enables the purchase and application of tokens for advanced features and correction sources like SBAS and RTK.
- Monitor GNSS receiver health
- Change hardware settings
- Perform firmware updates
- Purchase and load Flex Tokens
- Enable hardware-based features
- Access correction sources
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This is the free companion utility app for the flexible, intuitive, and affordable Bad Elf Flex and Flex Mini GNSS receivers. Designed for GIS and survey professionals, the Bad Elf Flex and Flex Mini connect to your iPhone or iPad via Bluetooth and provide high-accuracy location data to ANY and ALL field data collection apps in your workflow. This app allows you to view the health of the Flex and Flex Mini hardware, change settings, and perform firmware updates. For the Bad Elf Flex, the app also supports purchasing and loading Flex Tokens into the hardware for enabling hardware-based features and correction sources. Several correction sources are supported including SBAS, RTK via NTRIP, and Atlas (L-band) satellite corrections. Visit https://bad-elf.com/ to learn more about the Bad Elf Flex and Flex Mini GNSS receivers. NOTES: * This app requires a Bad Elf Flex or Flex Mini to operate. * Our "Bad Elf GPS" companion app supports our legacy mapping-grade receivers: Bad Elf GPS Pro, GPS Pro+, Surveyor, and GPS for Lightning dongle. * Continued use of the GPS running in the background can dramatically decrease battery life.
Screenshots
Verdict
The clearest difference is price: Bad Elf Flex at Free against ShiftCal® for Seattle Fire's $6.99. Bad Elf Flex also leads on update cadence (every 2 months vs every 8 months) and ratings volume (14 vs 2). ShiftCal® for Seattle Fire's advantage is rating (4.0 vs 3.6) and review sentiment (50% vs 40%). On ads, 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
Bad Elf Flex is free to download; ShiftCal® for Seattle Fire costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ShiftCal® for Seattle Fire holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Bad Elf Flex has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of ShiftCal® for Seattle Fire's written reviews are positive against 40% of Bad Elf Flex's.
ShiftCal® for Seattle Fire ships an update every 8 months, Bad Elf Flex every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | ShiftCal® for Seattle Fire | Bad Elf Flex |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.0 (2 ratings) — better | 3.6 (14 ratings) |
| Positive reviews | 50.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 2 | 14 — better |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 23 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Wesley Erickson | Bad Elf, LLC. |
Customer experience
ShiftCal® for Seattle Fire
Bad Elf Flex
In-app purchases
ShiftCal® for Seattle Fire
No in-app purchases
Bad Elf Flex
No in-app purchases
Questions
Is ShiftCal® for Seattle Fire free?
Is Bad Elf Flex free?
Which has better reviews, ShiftCal® for Seattle Fire or Bad Elf Flex?
Do ShiftCal® for Seattle Fire or Bad Elf Flex have ads?
Which is updated more often, ShiftCal® for Seattle Fire or Bad Elf Flex?
Other comparisons
