GR1P AI vs SimpleSignal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GR1P AI
Utilize advanced AI to scan your hand and get detailed measurements for firearm fit. Receive personalized firearm recommendations based on your unique hand profile for improved comfort, precision, and safety.
- AI-powered hand scanning
- Grip length measurement
- Trigger distance analysis
- Personalized firearm recommendations
- Enhanced comfort and precision
- Informed safety choices
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Discover the perfect gun fit with advanced AI technology! Our app allows you to scan your hand and receive detailed information about your grip length, trigger distance, and other essential parameters. By downloading this app, you agree to Apple’s standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Using this data, the app recommends the best firearm tailored to your unique hand profile. Whether you're a novice or an experienced shooter, our AI-driven insights help you make smarter, more informed choices for enhanced comfort, precision, and safety. Privacy Policy: https://gr1p.ai/privacy-policy/ Terms of Use: https://gr1p.ai/terms-and-conditions/ Important Note: This app requires an active subscription to access its features. A subscription is mandatory for the core functionality of the app, including scanning and receiving personalized recommendations. Ensure you have an active subscription to unlock the full capabilities of the app.
SimpleSignal
Easily find friends and family in crowded places with a customizable visual beacon. Choose from nine vivid colors, set a pulsing or solid light, and share your location via iMessage. It's a simple, effective way to be spotted without constant texting.
- Customizable visual beacon
- Nine vivid color options
- Pulsing or solid light modes
- Full-brightness screen
- Quick iMessage sharing
- Morse code signal lamp mode
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Finding someone in a crowd shouldn't require a dozen texts and a phone call. Whether you're waiting at school pickup as fifty identical cars circle the lot, standing in a sea of strangers at an airport arrivals gate, or trying to reunite after your group splits up at a packed stadium — the back-and-forth of "where are you?" messages wastes precious time and ratchets up stress. You can't spot a text bubble from fifty feet away, and in a noisy crowd a ringing phone is useless. What you need is something visual — something bright enough to see at a distance and simple enough to set up in seconds. Simple Signal turns your iPhone into a personal beacon. Pick one of nine vivid colors — including a White you can tune from warm to cool — send your contact a quick iMessage letting them know what to look for, then tap Start. Your screen lights up full-brightness in that color, solid or pulsing at whatever speed you choose, so the person you're meeting can scan the crowd and find you instead of your face. It's the modern equivalent of holding up a sign, only it fits in your pocket. At school pickup, tell your kid to look for the blue light by the flagpole. At the airport, hold up a green beacon so your traveler spots you the moment they exit the terminal. At a sold-out bowl game, agree on red before kickoff so your group can find each other after halftime no matter how separated you get. At the state fair, where "near the Ferris wheel" could mean any of a thousand people, a pulsing yellow light cuts through the chaos instantly. Signal Lamp mode provides an important means of communication to your EDC without having to carry extra gear - even if your Morse Code knowledge is rusty or non-existent. It’s also a great way to learn - either on your own or with a friend. Simple Signal does one thing, and it does it perfectly: it makes you findable.
Screenshots
Verdict
The clearest difference is rating: SimpleSignal at 5.0 against GR1P AI's 4.4. SimpleSignal also leads on in-app purchases (none vs 3) and review sentiment (100% vs 86%). GR1P AI's advantage is update cadence (every 8 days vs every 3 months) and ratings volume (13 vs 1). On price 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. GR1P AI sells 3 in-app purchases, starting at $1.99 per month. SimpleSignal asks for nothing beyond the download.
SimpleSignal holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: GR1P AI has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of GR1P AI's written reviews are positive against 100% of SimpleSignal's.
GR1P AI ships an update every 8 days, SimpleSignal every 3 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.
| Parameter | GR1P AI | SimpleSignal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (13 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 85.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 8 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15 — better | 26.0 |
| Further details — not scored | ||
| Size | 54 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | First-Line Defense LLC | Bacon Cheese Frosting LLC |
Customer experience
GR1P AI
SimpleSignal
In-app purchases
GR1P AI
- Pro$1.991 Month
- Premium$5.991 Year
- Prime$5.991 Month
SimpleSignal
No in-app purchases









