Comparison

CSiRebar vs Block Calculator Plus

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

Head to head
About

CSiRebar

This app helps structural and civil engineers quickly convert between bar sizes, steel area, and spacing requirements. It supports ASTM, Metric, and Imperial standards, offering various reinforcement layout options for design and analysis.

Highlights
  • Converts bar sizes, steel area, and spacing
  • Supports ASTM, Metric, and Imperial standards
  • Generates multiple reinforcement layouts
  • Allows combined reinforcement layouts
  • User-defined rules for bar selection
  • Provides alternative reinforcement layouts
Read full description

CSiRebar is an app that conveniently converts between combinations of bar sizes, steel area, and spacing requirements. Application/Usage: • Convert between combinations of bar sizes, steel area, and spacing requirements • Select the required combination of bar sizes and spacing for given conversions using ASTM, Metric or Imperial standards Target Users: • Structural and civil engineers who need to view and select from various reinforcement layouts for a given criteria during member design • Structural and civil engineers who need to quickly get the area of steel provided in a given section during member analysis Key Features: • Generate many reinforcement layouts • Provide ability for combined reinforcement layouts • User-defined rules for bar selection • Provide several bar options for user-defined range Key Input: • Area • Bar size • Number of bars • Bar spacing • Combined reinforcement layouts Key Output: • Area for given reinforcement layouts • Reinforcement layouts for given bar options and spacing requirements • Alternative reinforcement layouts for given layouts

About

Block Calculator Plus

This app provides nine specialized calculators to accurately estimate masonry materials for various construction projects. It helps calculate blocks, bricks, mortar, concrete, and gravel needed for walls and other structures, supporting multiple units of measurement.

Highlights
  • 9 concrete block estimation calculators
  • Estimate blocks, bricks, mortar, and fill
  • Supports US customary and metric units
  • Calculate for walls, concrete, and gravel
  • Area and volume calculation tools
Features
Read full description

9 concrete block estimation calculators to estimate masonry material for block and brickwork projects. Estimate blocks or bricks needed for a wall, mortar, concrete fill, concrete, or gravel. 9 Free Calculators: - block calculator - brick calculator - mortar calculator - block fill calculator - concrete calculator - gravel/sand calculator - retaining wall calculator - area calculator - volume calculator Enter dimensions in inches, feet, yards, centimeters, or meters. Get results in US customary or metric measurements. Based on the calculators on Inch Calculator(www.inchcalculator.com) that are trusted by millions of people world-wide for material estimation.

Screenshots

CSiRebar4 screens
Block Calculator Plus4 screens

Verdict

The call

The clearest difference is ads: CSiRebar at none against Block Calculator Plus's shown. CSiRebar also leads on update cadence (fortnightly vs every 2 months) and monetization model (free vs ad-supported). Block Calculator Plus's advantage is ratings volume (964 vs 1). On price, rating, review sentiment 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

CSiRebar holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Block Calculator Plus has 964 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

CSiRebar ships an update fortnightly, Block Calculator Plus every 2 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
CSiRebar versus Block Calculator Plus: the parameters behind the verdict, then further details
ParameterCSiRebarBlock Calculator Plus
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (964 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1964 — better
Update frequencyFortnightly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size14 MB33 MB
Age rating4+4+
DeveloperComputers and Structures, Inc.Calc Hub, LLC

Customer experience

CSiRebar

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Block Calculator Plus

All ratings845 ratings
Positive97.4%
Neutral1.5%
Negative1.1%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CSiRebar

No in-app purchases

None

Block Calculator Plus

No in-app purchases

Questions

Is CSiRebar free?
CSiRebar is free to download, with no in-app purchases.
Is Block Calculator Plus free?
Block Calculator Plus is free to download, with no in-app purchases.
Which has better reviews, CSiRebar or Block Calculator Plus?
CSiRebar is rated higher. CSiRebar averages 5.0 out of 5 from 1 ratings, while Block Calculator Plus averages 4.8 from 964 ratings.
Do CSiRebar or Block Calculator Plus have ads?
Block Calculator Plus shows ads; CSiRebar does not.
Which is updated more often, CSiRebar or Block Calculator Plus?
CSiRebar ships an update fortnightly, and Block Calculator Plus every 2 months. Most recently, CSiRebar was updated on October 15, 2026 and Block Calculator Plus on October 21, 2026.

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