Comparison

E vs Grayboe

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

E

Easily create and edit dope cards for display on a smart card. This application utilizes NFC technology to transfer your custom data for permanent viewing.

Highlights
  • Create dope cards
  • Edit drop tables
  • NFC data transfer
  • Permanent display on smart card
  • iOS compatible
Features
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Now available for iOS, The E-Dope application allows easy creation of dope cards using the DRS E-Dope SmartCard. The user can create and edit drop tables and the application uses NFC to send the data for permanent display on the E-Dope card.

About

Grayboe

This app uses AI to analyze photos of your shooting targets, providing detailed metrics like group size and distance from the point of aim. It helps you track progress, manage equipment, and improve accuracy over time.

Highlights
  • AI-powered shot analysis
  • Group size and spread calculation
  • Progress tracking and trend analysis
  • Firearm and ammunition management
  • Cloud sync for data backup
  • Printable AI targets
Features
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Turn your range time into measurable improvement with Grayboe — the AI-powered shooting analysis app that transforms target photos into actionable data. INSTANT SHOT ANALYSIS Simply photograph your target. Our AI automatically detects bullet holes and calculates group size, extreme spread, and distance from point of aim — all in MOA and inches. AI TARGET CALIBRATION Use our printable AI targets for automatic scale calibration. No manual measuring required. Just shoot, snap, and analyze. MANUAL TARGET SUPPORT Don't have an AI target? No problem. Analyze any target by manually setting the scale and point of aim. TRACK YOUR PROGRESS See your accuracy improve over time with trend analysis across sessions. Compare performance by firearm, ammunition, and shooting conditions. MANAGE YOUR EQUIPMENT • Log all your firearms with detailed specs • Track ammunition inventory and costs • Monitor maintenance schedules • Record environmental conditions for each session DETAILED METRICS • Group size in inches and MOA • Windage and elevation from POA • Shot-by-shot distance analysis • Multi-target comparisons CLOUD SYNC Create a free account to back up your data and sync across all your devices. Your shooting history, firearms, and ammunition data — always accessible. PRINT AI TARGETS Generate and print precision AI targets optimized for automatic detection. Available in multiple formats for different training purposes. Whether you're a competitive precision shooter, long-range hunter, or dedicated hobbyist, Grayboe gives you the data you need to improve every time you pull the trigger. Download now and start shooting smarter.

Screenshots

E1 screens
Grayboe4 screens

Verdict

The call

The clearest difference is review sentiment: Grayboe at 100% against E's 29%. Grayboe also leads on rating (5.0 vs 2.9) and update cadence (every 5 weeks vs every 8 months). On price, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Grayboe holds the better App Store score, 5.0 against 2.9. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews point the same way: 29% of E's written reviews are positive against 100% of Grayboe's.

UpkeepUpdate frequency

E ships an update every 8 months, Grayboe every 5 weeks. The most recent releases landed on June 1, 2026 and September 3, 2026 respectively.

Scorecard3 real differences · 7 level
E versus Grayboe: the parameters behind the verdict, then further details
ParameterEGrayboe
PriceFreeFree
Rating2.9 (12 ratings)5.0 (5 ratings) — better
Positive reviews28.6% of reviews100.0% of reviews — better
Number of ratings12 — better5
Update frequencyEvery 8 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.4 — better15.1
Further details — not scored
Size1 MB69 MB
Age rating4+4+
DeveloperDown Range Systems LLCGrayboe

Customer experience

E

All ratings12 ratings
Positive41.7%
Neutral25.0%
Negative33.3%
Written reviews7 reviews
Positive28.6%
Neutral28.6%
Negative42.9%

Grayboe

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

E

No in-app purchases

None

Grayboe

No in-app purchases

Questions

Is E free?
E is free to download, with no in-app purchases.
Is Grayboe free?
Grayboe is free to download, with no in-app purchases.
Which has better reviews, E or Grayboe?
Grayboe is rated higher. E averages 2.9 out of 5 from 12 ratings, while Grayboe averages 5.0 from 5 ratings.
Do E or Grayboe have ads?
Neither E nor Grayboe shows ads.
Which is updated more often, E or Grayboe?
E ships an update every 8 months, and Grayboe every 5 weeks. Most recently, E was updated on June 1, 2026 and Grayboe on September 3, 2026.

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