Antenna Tools vs Greyline FT8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Antenna Tools
This utility app assists engineers, technicians, students, and radio enthusiasts with essential antenna and RF calculations. It simplifies complex formulas into easy-to-use calculators for designing, installing, or tuning antennas, providing fast and accurate results for field and lab use.
- Calculate antenna dimensions by frequency
- Convert frequency to wavelength
- Radio system setup tools
- Quick technical calculations
- Reliable field performance
Read full descriptionHide full description
Antenna Tools is a practical utility app designed to assist engineers, technicians, students, and radio enthusiasts with essential antenna and RF calculations. Whether you are designing, installing, or tuning antennas, this app provides fast and accurate results to support your work. Built for field and lab use, Antenna Tools simplifies complex radio frequency formulas into easy-to-use calculators. Key Features: Calculate antenna dimensions based on frequency. Instantly convert between frequency and wavelength. Useful tools for radio system setup and adjustments. Clean interface optimized for quick technical calculations. Reliable performance for field and workshop environments. Antenna Tools is a must-have companion for RF professionals, ham radio operators, and students working in wireless communication and antenna design.. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1Dn1gNdDP2AHL7sg-px4rxdLAcoGHlNB8/edit#heading=h.1ionsc3v3xmq Terms and Condition : https://docs.google.com/document/d/1t-LREPKByKaM0UkbIo4o0E1gdAYs21Oe30EfGxenEss/edit?usp=sharing
Greyline FT8
This app provides a portable digital ham radio experience for field operations on iOS devices. It automates callsign lookups, displays real-time spot data, and offers automated calling or manual control for QSOs. Features include intelligent frequency selection, audio delay adjustment, and direct logging to QRZ.
- Field-ready digital ham radio
- Automated callsign and DXCC lookups
- Real-time PSK Reporter spot data
- Automated CQ Gatherer and Hunter modes
- Intelligent automatic frequency selection
- Direct-to-QRZ logging and ADI export
Read full descriptionHide full description
Greyline FT8 is a highly portable, capable amateur radio app designed specifically for field operation with an iOS device. I designed this app because I got very used to my full-stack FT8 solution: GridTracker, WSJT-X, PSK Reporter, WRL Desktop, several browser tabs, and more. But I didn't want the bulk and weight of a full Windows PC in the field. At the same time, while there are excellent and lightweight FT8 iOS solutions out there, they were lacking features I really wanted. Greyline is everything you need and nothing you don't. It automatically locates your grid square, performs callsign and calling station DXCC lookups (internet access required), and can even show you real-time spot data from PSK Reporter. Want to adjust your directional antenna? Now you've got the info you need to do it! Greyline also incorporates automated calling features. Gatherer mode calls CQ, responds to the first reply it gets, finishes the QSO and returns to calling CQ all without your input. On the other side of things, Hunter mode listens for CQ calls and pounces on them, finishing a QSO then returning to the live band to find the next. Or, take control of the conversation yourself with standard mode. That's the experience you're already used to from WSJT-X and other digital mode apps. Some other noteworthy features are: - Intelligent automatic free frequency selection - Dynamically adjusted audio delay for virtually drift-free message timing - PSK Reporter integrated Live Spots - Direct-to-QRZ, WRL and private Cloudlog logging and ADI export - Configurable waterfall settings - CQ addendums - CQ filtering for contesting and general courteous operation - Configurable retransmissions - Intelligent log recovery (didn't get that last 73 but want to log the contact anyway? Now you can!) - Log import and export - Antenna tuning - POTA Autospotting - One touch POTA activation and POTA.app-compatible ADIF export - Multiple POTA activation support - And so much more! Greyline uses audio VOX and not serial PTT. Most radios support this with simple cabling or an audio interface like a Digirig. For helpful tips on cabling and configuring popular radios, visit the Support URL below. Built by a ham, for hams, I'm very open to your feedback and hope Greyline can be your field companion. Want to share your own Field Notes (https://greylineft8.com/fieldnotes.html)? Email me at support@greylineft8.com!
Screenshots
Verdict
The clearest difference is price: Antenna Tools at Free against Greyline FT8's $3.99. Antenna Tools also leads on rating (5.0 vs 4.8) and iOS requirement (13.0 vs 26.5). Greyline FT8's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume 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
Antenna Tools is free to download; Greyline FT8 costs $3.99 up front. Antenna Tools sells 1 one-off in-app purchase. Greyline FT8 asks for nothing beyond the download.
Antenna Tools holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 7 and 13 respectively.
Antenna Tools ships an update every 4 months, Greyline FT8 every 4 days. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.
| Parameter | Antenna Tools | Greyline FT8 |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 5.0 (7 ratings) — better | 4.8 (13 ratings) |
| Positive reviews | — | 90.0% of reviews |
| Number of ratings | 7 | 13 — better |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #192 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 58 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Nanjibhai Gorasiya | JONATHAN MARK SCHULMAN |
In-app purchases
Antenna Tools
- Lifetime premium$9.99
Greyline FT8
No in-app purchases
Questions
Is Antenna Tools free?
Is Greyline FT8 free?
Which has better reviews, Antenna Tools or Greyline FT8?
Do Antenna Tools or Greyline FT8 have ads?
Which is updated more often, Antenna Tools or Greyline FT8?
Other comparisons















