Comparison

CaseJournal vs Hammer Construction Calculator

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

Head to head
About

CaseJournal

This app helps organize case notes, clues, and investigative theories. It allows users to link evidence, people, and events to develop and track confidence in their theories. On-device review features can analyze text-based information to identify facts, inconsistencies, and gaps.

Highlights
  • Capture observations and details
  • Develop and link investigative theories
  • Track evidence, people, and locations
  • On-device text review with Apple Intelligence
  • Identify inconsistencies and information gaps
  • Analyze theories and supporting evidence
Features
Read full description

Case Notes & Clues Capture observations, working theories, follow-up questions, leads, and important details as a case develops. NEW – Investigative Theories Develop multiple working theories for a case. Link supporting and contradicting evidence, people, locations, notes, and timeline events while tracking confidence as your investigation evolves. On-Device Review On supported devices, use Apple Intelligence to review the text-based information stored in a case. Review can consider working theories, notes, clues, people, timeline events, locations, and user-created connections to identify supported facts, possible inconsistencies, information gaps, relationship patterns, and useful follow-up questions. Theory Review can also analyze individual theories by examining supporting and contradicting information, related people, locations, timeline events, unanswered questions, and alternative explanations. Review is advisory only. It does not determine guilt, identity, motive, or legal conclusions. Photo contents and voice-memo audio are not analyzed.

About

Hammer Construction Calculator

This app provides advanced construction calculations, including feet-inch-fraction math and specialized tools for various trades. It also offers material takeoff and PDF quote generation, with features for jobsite planning and notes.

Highlights
  • Feet-inch-fraction math with metric conversion
  • 20 specialized trade calculators with diagrams
  • Material takeoff and PDF quote generation
  • Jobsite plans and notes with blueprint support
  • Offline functionality
  • Customizable rounding and unit support
Read full description

The construction calculator that finishes the job: feet-inch-fraction math, 20 trade calculators, and a material takeoff that turns into a professional PDF quote — all in one app. WHY PROS SWITCH TO HAMMERCALC FEET-INCH-FRACTION MATH, DONE RIGHT - Mix feet, inches, millimeters, and meters in one calculation - Tape-measure fraction strip: tap or slide to enter 1/16s faster than typing - Results in feet-inches AND metric, side by side - Custom rounding: 1/16", 1/32", 1/64", or decimal 20 TRADE CALCULATORS — EACH WITH A LIVE DIAGRAM - Framing: rafters (hip/valley/jack cut lists, birdsmouth), roof squares & flashing, wall framing with stud counts, rake walls - Stairs: rise, run, stringers — with IRC code checks built in (max riser, tread, headroom, 2R+T comfort) - Outdoor: decks, fences (incl. chain-link), concrete bags/yards/rebar, baluster spacing (4" sphere rule) - Finishes: drywall, paint, tile, flooring, siding - Layout & lumber: square footage with cutouts, board feet & cost, cut list optimizer (fewest boards, least waste), compound miter/crown, triangle & pitch, circle/arc layout - Every field label explains itself — long-press for a diagram FROM CALCULATION TO QUOTE — NO OTHER CALCULATOR DOES THIS - One tap sends any tool's material list to a project takeoff - Buy-list smarts: rounds up to lengths the yard actually sells, never orders short - Check off materials on site as you load the truck - Price book remembers what you paid last time - Add labor, markup, and tax — export a branded PDF quote with your logo - Share as PDF, CSV, or plain text PLANS & NOTES ON THE JOBSITE - Load blueprint PDFs and photos — auto-saves your page, zoom, and position - Job notes with one-tap capture of any calculation - Quick links to your building codes and span tables BUILT FOR THE FIELD - Works fully offline. No ads. No popups. No data collection. - Dark mode for early starts, haptic keys, 12 accent colors - English & Español — switch live in Settings - iPhone, iPad, and Mac PERFECT FOR Carpenters • Framers • Contractors • Remodelers • Deck builders • Estimators • Engineers • Machinists • Architects • Serious DIYers TRY IT FREE FOR 7 DAYS Full access to everything. No commitment — cancel anytime. A subscription is required after the trial. Auto-renews unless canceled 24 hours before the period ends. Manage or cancel in Settings > [Your Apple ID] > Subscriptions. Support: hammercalc@gmail.com Terms: https://www.hammerstorm.co/terms Privacy: https://www.hammerstorm.co/privacy

Screenshots

CaseJournal4 screens
Hammer Construction Calculator3 screens

Verdict

The call

The clearest difference is rating: Hammer Construction Calculator at 3.0 against CaseJournal's 1.0. Hammer Construction Calculator also leads on ratings volume (3 vs 1). CaseJournal's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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. CaseJournal sells 1 one-off in-app purchase and Hammer Construction Calculator sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Hammer Construction Calculator holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

CaseJournal ships an update every 4 days, Hammer Construction Calculator every 6 weeks. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
CaseJournal versus Hammer Construction Calculator: the parameters behind the verdict, then further details
ParameterCaseJournalHammer Construction Calculator
PriceFreeFree
Rating1.0 (1 ratings)3.0 (3 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings13 — better
Update frequencyEvery 4 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.516.0 — better
Further details — not scored
Size44 MB39 MB
Age rating17+4+
DeveloperStobywan Studiosgarrett hiebert

In-app purchases

1 purchases

CaseJournal

One-time1
  • CaseJournal Pro$14.99
2 purchases

Hammer Construction Calculator

Subscriptions2
  • HammerCalc Monthly7 Days trial$3.991 Month
  • HammerCalc Yearly7 Days trial$24.991 Year

Questions

Is CaseJournal free?
CaseJournal is free to download, with in-app purchases available.
Is Hammer Construction Calculator free?
Hammer Construction Calculator is free to download, with in-app purchases available.
Which has better reviews, CaseJournal or Hammer Construction Calculator?
Hammer Construction Calculator is rated higher. CaseJournal averages 1.0 out of 5 from 1 ratings, while Hammer Construction Calculator averages 3.0 from 3 ratings.
Do CaseJournal or Hammer Construction Calculator have ads?
Neither CaseJournal nor Hammer Construction Calculator shows ads.
Which is updated more often, CaseJournal or Hammer Construction Calculator?
CaseJournal ships an update every 4 days, and Hammer Construction Calculator every 6 weeks. Most recently, CaseJournal was updated on October 27, 2026 and Hammer Construction Calculator on October 7, 2026.

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