Comparison

ACI Convention vs Sika SandApp

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

Head to head
About

ACI Convention

This app connects professionals in the concrete industry for networking and education. It facilitates learning about the latest research, case studies, and best practices, while also providing a platform for input on industry codes and specifications. Attendees can earn Professional Development Hours and meet global industry leaders.

Highlights
  • Networking events
  • Educational sessions
  • Professional Development Hours
  • Industry code input
  • Committee meetings
  • Latest research access
Features
Read full description

The ACI Concrete Convention is the world’s gathering place for advancing concrete materials, design, construction, and repair, bringing together the world’s most well-known leaders with professionals looking to learn. Conventions provide a forum for networking and education and an opportunity to provide input on the concrete industry’s codes, specifications, and guides. Committees meet to develop the standards, reports, and other documents necessary to keep up with the ever-changing world of concrete technology. Committee meetings are open to all registered convention attendees. Technical and educational sessions provide attendees with the latest research, case studies, best practices, and the opportunity to earn Professional Development Hours (PDHs). Additionally, the ACI Convention offers numerous networking events where you can expect to meet with many of the industry’s top engineers, architects, contractors, educators, manufacturers, and material representatives from around the world.

About

Sika SandApp

Features
Read full description

The Sand App is a highly innovative digital solution for fast and efficient sand analysis. The App provides the following analytical results: -Particle size distribution (according to EN/ASTM sieves) -Particle shape parameter (roundness, sphericity, aspect ratio) -Distribution of particle shape parameter per sieve opening Fineness modulus -D10, D50, D85 and D100 values The results can be shared as PDF report, as .csv format (Excel), with other Sika Sand Apps and with the Sika Mix Design App. The Sand App is part of the SIKA CODE Concept.

Screenshots

ACI Convention3 screens
Sika SandApp4 screens

Verdict

The call

ACI Convention and Sika SandApp are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

ACI Convention ships an update every 5 months, Sika SandApp every 3 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

ScorecardNo meaningful differences
ACI Convention versus Sika SandApp: the parameters behind the verdict, then further details
ParameterACI ConventionSika SandApp
PriceFreeFree
Rating3.4 (5 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size54 MB44 MB
Age rating17+4+
DeveloperAmerican Concrete InstituteSika Informationssysteme AG

In-app purchases

None

ACI Convention

No in-app purchases

None

Sika SandApp

No in-app purchases

Questions

Is ACI Convention free?
ACI Convention is free to download, with no in-app purchases.
Is Sika SandApp free?
Sika SandApp is free to download, with no in-app purchases.
Do ACI Convention or Sika SandApp have ads?
Neither ACI Convention nor Sika SandApp shows ads.
Which is updated more often, ACI Convention or Sika SandApp?
ACI Convention ships an update every 5 months, and Sika SandApp every 3 months. Most recently, ACI Convention was updated on October 24, 2026 and Sika SandApp on October 27, 2026.

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