Bullhorn Tools vs Bad Elf Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bullhorn Tools
Configure and monitor Bluetooth-enabled remote units wirelessly. Check measurements, set schedules, and view device information for various Bullhorn models. Ensure accurate readings before leaving a location.
- Configure Bluetooth-enabled remote units
- Check wireless measurements
- View device information
- Set measurement schedules
- Set transmission schedules
- Configure alarms
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American Innovations’ Bullhorn Tools mobile application is used to configure Bluetooth enabled Bullhorn remote monitoring units, check measurements while wirelessly connected to the device, and view important device information. Compatible with: • Bullhorn RM1250 – Cellular monitor for gas flow meters • Bullhorn RM3250 – Cellular monitor for serial bus volume correctors • Bullhorn RM4210 – Satellite AC/DC monitor for coupon test stations • Bullhorn RM4211 – Satellite monitor for mid-point test stations, bonds, decouplers and solar powered rectifiers • Bullhorn RM4250 – Cellular AC/DC monitor for coupon test stations • Bullhorn RM4251 – Cellular monitor for mid-point test stations, bonds, decouplers and solar powered rectifiers • Bullhorn RM510C - Cellular monitor for rectifiers • Bullhorn RM510S - Satellite monitor for rectifiers • Bullhorn RM520C - Cellular monitor for rectifiers • Bullhorn RM520S - Satellite monitor for rectifiers • Bullhorn RM540C - Cellular monitor for rectifiers • Bullhorn RM540S - Satellite monitor for rectifiers Features and benefits • Quickly identify and pair with Bluetooth-enabled Bullhorn remote monitoring units • Set the Bullhorn unit’s measurement & transmissions schedules, alarms, coupon sizes, and much more. • Verify measurements to ensure your Bullhorn is reading correctly before you leave the locations. Pairing to a remote monitor requires that you have a compatible Bullhorn remote monitor and that it is broadcasting a signal by swiping the arrow located on the external enclosure with a magnet.
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 rating: Bad Elf Flex at 3.6 against Bullhorn Tools's 3.0. Bad Elf Flex also leads on ratings volume (14 vs 4). Bullhorn Tools's advantage is iOS requirement (10.0 vs 15.5). On price, review sentiment, update cadence and ads 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.
Bad Elf Flex holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 4 and 14 respectively. Written reviews point the same way: 33% of Bullhorn Tools's written reviews are positive against 40% of Bad Elf Flex's.
Bullhorn Tools ships an update every 5 weeks, Bad Elf Flex every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Bullhorn Tools | Bad Elf Flex |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 3.6 (14 ratings) — better |
| Positive reviews | 33.3% of reviews | 40.0% of reviews — better |
| Number of ratings | 4 | 14 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 102 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | American Innovations | Bad Elf, LLC. |
Customer experience
Bullhorn Tools
Bad Elf Flex
In-app purchases
Bullhorn Tools
No in-app purchases
Bad Elf Flex
No in-app purchases
Questions
Is Bullhorn Tools free?
Is Bad Elf Flex free?
Which has better reviews, Bullhorn Tools or Bad Elf Flex?
Do Bullhorn Tools or Bad Elf Flex have ads?
Which is updated more often, Bullhorn Tools or Bad Elf Flex?
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