Comparison

Schmidt Rebound Hammer vs Propeller Mobile

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

Head to head
About

Schmidt Rebound Hammer

This app enhances the functionality of Schmidt rebound hammers for concrete and rock testing. It automates calculations, allows custom curves, tracks verification, and generates PDF reports. Collaborate and share data easily through cloud synchronization.

Highlights
  • Automated rebound number calculation
  • Custom curve support
  • Verification tracking
  • Logbook for reporting
  • PDF report generation
  • Cloud-based sharing and synchronization
Read full description

The technology of the legendary, original rebound hammers for concrete and rock strength and uniformity assessment, Original Schmidt, Silver Schmidt and Rock Schmidt, is now even more flexible, and interconnected. The Original Schmidt OS8000, the best in class Silver Schmidt OS8200 and the Rock Schmidt RS8000 rebound hammers can be used as stand-alone digital hammers, in combination with the Bluetooth printer or with this great app that delivers rich functionality to make concrete and rock testing a breeze: • Automated calculation of the rebound number according to major standards • Ability to add custom curves for higher precision • Verification tracking in line with requirements and standards • Logbook functionality for capturing additional information for reporting purposes • PDF report generation in just a few taps • Cloud-based sharing space for easier collaboration • Cloud synchronization with the screeningeagle.com workspace platform Schmidt rebound hammers by Proceq, the inventor. For faster and more precise concrete and rock testing. Download the free app now and explore the state of the art of concrete and rock testing with mechanical and optical technologies.

About

Propeller Mobile

This app provides field crews with a mobile 3D site inspection tool. It enables real-time navigation, site checks, and data capture to facilitate faster decision-making and keep projects on track.

Highlights
  • Live navigation
  • 3D site mapping
  • Media documentation
  • Grade checking
  • Cut-fill analysis
  • Surface area measurement
  • Stockpile volumes
Features
Read full description

Propeller Mobile is a 3D site inspection app built to keep field crews connected, aligned, and in control. With your job site in your pocket, Propeller Mobile supports real-time navigation, site checks, and reality capture, empowering faster decisions and keeping projects on track. Propeller Mobile also works alongside your AeroPoint hardware, keeping your ground control workflow connected. More than just a map, Propeller Mobile connects every person on-site to the data they need - enabling teams to move faster, collaborate smarter, and drive results. Why Propeller Mobile? • Stay aligned, wherever you are: Turn your mobile device into a powerful site inspection tool to help you map your next move • Eliminate bottle necks: Verify, document, and adjust plans directly from the field to prevent delays and unnecessary office trips • Keep your projects on track: From live navigation to high-accuracy measurements, you’ll translate field data and designs into decisions Key features: • Live navigation: Instantly see your real-time position relative to designs and site features • 3D site mapping: Explore a digital twin of your site in 3D or 2D for informed decision-making • Media documentation: Pin images and 360° photos to the map to document conditions and share with office teams • Alignments: Measure and track your live position along alignments and stations/chainages • Grade checking: Assess grades as degrees, percentages, or ratios • Cut-fill analysis: Compare surfaces to monitor volume changes and progress over time • Point of interest tagging: Drop points to check elevations or add notes for clarity • Surface area measurement: Quickly calculate areas within any shape • Stockpile volumes: Measure stockpile volumes and create reports in seconds • Cross-section analysis: Generate cross-section charts of designs and surveys • Distance measurement: Measure point-to-point distances with precision • Elevation tracking: Monitor elevation changes and height differences • AeroPoint management: Connect to AeroPoint 2 devices via Bluetooth to monitor battery, charging status, firmware, and data upload progress - and configure custom WiFi credentials for seamless field uploads

Screenshots

Schmidt Rebound Hammer4 screens
Propeller Mobile4 screens

Verdict

The call

The clearest difference is review sentiment: Schmidt Rebound Hammer at 100% against Propeller Mobile's 40%. Schmidt Rebound Hammer also leads on rating (5.0 vs 4.2). Propeller Mobile's advantage is update cadence (every 2 weeks vs every 2 months) and monetization model (free vs ad-supported). 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

Schmidt Rebound Hammer holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Propeller Mobile has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Schmidt Rebound Hammer's written reviews are positive against 40% of Propeller Mobile's.

UpkeepUpdate frequency

Schmidt Rebound Hammer ships an update every 2 months, Propeller Mobile every 2 weeks. The most recent releases landed on August 22, 2026 and September 13, 2026 respectively.

Scorecard5 real differences · 5 level
Schmidt Rebound Hammer versus Propeller Mobile: the parameters behind the verdict, then further details
ParameterSchmidt Rebound HammerPropeller Mobile
PriceFreeFree
Rating5.0 (2 ratings) — better4.2 (10 ratings)
Positive reviews100.0% of reviews — better40.0% of reviews
Number of ratings210 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.1
Further details — not scored
Size377 MB214 MB
Age rating4+4+
DeveloperScreening Eagle TechnologiesPropeller Aerobotics Pty Ltd

Customer experience

Schmidt Rebound Hammer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Propeller Mobile

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

Schmidt Rebound Hammer

No in-app purchases

None

Propeller Mobile

No in-app purchases

Questions

Is Schmidt Rebound Hammer free?
Schmidt Rebound Hammer is free to download, with no in-app purchases.
Is Propeller Mobile free?
Propeller Mobile is free to download, with no in-app purchases.
Which has better reviews, Schmidt Rebound Hammer or Propeller Mobile?
Schmidt Rebound Hammer is rated higher. Schmidt Rebound Hammer averages 5.0 out of 5 from 2 ratings, while Propeller Mobile averages 4.2 from 10 ratings.
Do Schmidt Rebound Hammer or Propeller Mobile have ads?
Neither Schmidt Rebound Hammer nor Propeller Mobile shows ads.
Which is updated more often, Schmidt Rebound Hammer or Propeller Mobile?
Schmidt Rebound Hammer ships an update every 2 months, and Propeller Mobile every 2 weeks. Most recently, Schmidt Rebound Hammer was updated on August 22, 2026 and Propeller Mobile on September 13, 2026.

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