Comparison

Mr.Chunker vs Kopperfield

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

Head to head
About

Mr.Chunker

Control your Mr.Chunker chunking machine remotely via Bluetooth. Features include starting/stopping operations, activating fish-on mode, manual motor control, custom button programming, and bait usage calculation to save money.

Highlights
  • Bluetooth connectivity
  • Start/Stop chunking
  • Fish on mode
  • Manual motor control
  • Programmable buttons
  • Bait usage calculation
Read full description

Control your Mr.Chunker chunking machine through your phone with ease. Connect to your chunker using bluetooth and use the following features: Start/Stop chunking Fish on mode Manually control motor program what buttons do calculate your bait usage and save money To use this app you must own a Mr.Chunker machine, which can be purchased at https://www.mrchunker.com/

About

Kopperfield

Streamline electrical design and permitting with powerful tools for load calculations, panel schedules, and single-line diagrams. Quickly reference the National Electrical Code with an AI-powered chatbot and generate instant PDF reports for inspectors and clients.

Highlights
  • Load calculator with NEC standards
  • Single line diagram tool
  • Panel schedule creation
  • NEC chatbot
  • Instant PDF report generation
  • AI panel photo processing
  • Team dashboard
Features
Read full description

Save time and money. Get ready for permits and projects with faster and easier design tools from Kopperfield, including load calcs, line diagrams, panel schedules, and more. Once logged into your Kopperfield account, you'll enjoy our: * Load calculator: Easy-to-use interface pre-loaded with common appliances and their standard output values from the National Electrical Code. Add information on the property and your calculation will automatically update. Supports both commercial and residential calculations, as well as the Standard (NEC Article 220 Part III), Optional (NEC Article 220 Part IV), and 2026 Standard (NEC Article 120 Part III) methods. * Single line diagram tool: Contains dozens of common templates and electrical symbols to make it easy to generate new diagrams and share them with your team. View diagrams from any device and create new templates on tablet or desktop for your whole team to use. * Panel schedules: Includes tools to complete panel schedules and create labels for electrical panels. Drag-and-drop interface makes it easy to arrange and customize circuits for both split-phase and three-phase projects. * NEC chatbot: Custom chatbot with advanced search capabilities to quickly reference specific sections of the 2017, 2020, or 2023 National Electrical Code. Includes the following features: * Fast PDF outputs: instantly generate a downloadable, one-page PDF report of your load calc, line diagram, or panel schedule to share with inspectors and customers * Smart property data: enter the property address and we’ll pull in the square footage for any customer project or electrical load calculation * AI panel photo processing: upload a photo of an electrical panel to automatically add items to your load calculation or panel schedule * Team dashboard: store your team's projects and documents in one place for easier management, access, and review *Single and three phase options: use a variety of nominal voltages for residential and commercial building types, including: 120/240V, 120/208V, 120/240V, 208Y/120V 3Ø, 240V 3Ø Delta, 240V 3Ø Hi-leg Delta, 347V 3Ø Delta, 480Y/277V 3Ø, 480V 3Ø Delta, 600Y/347Y 3Ø, 600V 3Ø Delta. * Standard scenarios: generate load calcs for scenarios including single family homes (standard and optional methods), multi dwelling units (i.e., duplex, triplex, quad), 120/208v (three-phase power) dwellings, accessory dwelling units and additions, commercial occupancy types, and heat pumps * Common appliance defaults: choose from a pre-loaded list of common appliances and standard output values that you can adjust for every load calculation * EV charger inputs: include EV charger values to any load calculation, essential for modern homes

Screenshots

Mr.Chunker1 screens
Kopperfield4 screens

Verdict

The call

The clearest difference is rating: Mr.Chunker at 5.0 against Kopperfield's 3.9. Mr.Chunker also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.1). Kopperfield's advantage is update cadence (every 3 weeks vs every 26 months) and ratings volume (9 vs 1). On price, 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

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

Mr.Chunker holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Kopperfield has 9 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Mr.Chunker ships an update every 26 months, Kopperfield every 3 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 5 level
Mr.Chunker versus Kopperfield: the parameters behind the verdict, then further details
ParameterMr.ChunkerKopperfield
PriceFreeFree
Rating5.0 (1 ratings) — better3.9 (9 ratings)
Positive reviews—0.0% of reviews
Number of ratings19 — better
Update frequencyEvery 26 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size9 MB45 MB
Age rating4+4+
DeveloperTomer ShemeshKopperfield

Customer experience

Mr.Chunker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Kopperfield

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Mr.Chunker

No in-app purchases

None

Kopperfield

No in-app purchases

Questions

Is Mr.Chunker free?
Mr.Chunker is free to download, with no in-app purchases.
Is Kopperfield free?
Kopperfield is free to download, with no in-app purchases.
Which has better reviews, Mr.Chunker or Kopperfield?
Mr.Chunker is rated higher. Mr.Chunker averages 5.0 out of 5 from 1 ratings, while Kopperfield averages 3.9 from 9 ratings.
Do Mr.Chunker or Kopperfield have ads?
Neither Mr.Chunker nor Kopperfield shows ads.
Which is updated more often, Mr.Chunker or Kopperfield?
Mr.Chunker ships an update every 26 months, and Kopperfield every 3 weeks. Most recently, Mr.Chunker was updated on October 4, 2026 and Kopperfield on October 3, 2026.

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