Rebar Calc vs SnapSlab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rebar Calc
This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.
- Rebar tonnage calculation
- Sheet and roll mesh estimation
- Concrete volume estimator
- Material quote generation
- Adjustable lap amount
- Configurable rebar/mesh size
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Rebar Calc is your all-in-one solution for rebar and concrete calculations. Whether you need to determine the tons and linear feet of rebar, sheets of sheet mesh, or rolls of roll mesh required for your concrete project, Rebar Calc has you covered. Tailor your calculations by configuring the necessary lap amount, and selecting the size of rebar, sheet mesh, or roll mesh to suit your specific needs. Rebar Calc also features a fast and easy concrete volume estimator in cubic yards. Quickly figure out how many bags of grout, fast-setting concrete, and other materials you'll need for slabs or concrete cores. Plus, with just a tap, you can get a quote on rebar, mesh, and other concrete supplies. Simplify your construction planning with Rebar Calc, the essential tool for every concrete job. These calculations are for estimating purposes only. All final figures should be verified by a professional before quoting, purchasing, or installing materials.
SnapSlab
This AI-powered tool helps trading card collectors estimate grading outcomes and analyze market data. It provides real-time sales comparisons and deal analysis to inform buying and selling decisions.
- AI-powered grading estimates
- Real-time market comps
- Deal analysis tools
- Portfolio tracking
- Card scanning and uploading
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SnapSlab is an AI-powered trading card grading and market intelligence tool. Scan or upload your cards to estimate grading outcomes, analyze recent sales, and identify buying and selling opportunities. Features: • AI-powered grading estimates • Real-time market comps • Deal analysis tools • Portfolio tracking Built for collectors, flippers, and serious hobbyists looking to make smarter decisions. Privacy Policy: https://www.notion.so/SnapSlab-Privacy-Policy-33eacf626b8680548dbbffe0e316b18c Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Rebar Calc and SnapSlab both sit at 4.9 stars, but that hides the real split: 100% of SnapSlab's written reviews are positive against 60% of Rebar Calc's. SnapSlab also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). Rebar Calc's advantage is in-app purchases (none vs 2) and ratings volume (637 vs 3). On price, rating 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
Both are free to download. SnapSlab sells 2 in-app purchases, starting at $4.99 per month. Rebar Calc asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Rebar Calc against 5.0 for SnapSlab. That said, the two scores are not equally well evidenced: Rebar Calc has 637 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 60% of Rebar Calc's written reviews are positive against 100% of SnapSlab's.
Rebar Calc ships an update every 2 months, SnapSlab every 4 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.
| Parameter | Rebar Calc | SnapSlab |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (637 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 637 — better | 3 |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Appco LLC (USA) | Aaron Parasiliti |
Customer experience
Rebar Calc
SnapSlab
In-app purchases
Rebar Calc
No in-app purchases
SnapSlab
- SnapSlab Pro Monthly$4.991 Month
- SnapSlab Pro Yearly$34.991 Year
Questions
Is Rebar Calc free?
Is SnapSlab free?
Which has better reviews, Rebar Calc or SnapSlab?
Do Rebar Calc or SnapSlab have ads?
Which is updated more often, Rebar Calc or SnapSlab?
Other comparisons
