Subfloor Material Estimator vs Tank_Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subfloor Material Estimator
Quickly estimate subfloor construction materials based on floor dimensions and joist spacing. Calculates joists, sheathing, rim board, glue, and screws needed.
- Estimate joist quantity
- Calculate sheathing requirements
- Determine linear feet of rim board
- Estimate glue tubes
- Calculate screw quantity
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Provides a quick estimate of the material needed to construct a subfloor. Given floor dimensions and joist spacing this will estimate the number of joists, amount of floor sheating required, linear feet of the joists / rim board, tubes of glue and number of screws required.
Tank_Level
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Tank Level – Smart Volume Calculator Easily calculate the liquid volume in your storage tanks with just the measured level. Whether you’re working with fixed roof tanks, floating roof tanks, or other storage types, this app provides fast, accurate, and reliable volume calculations. Key Features: Input tank level to instantly get the liquid volume. Supports cylindrical and storage tanks (vertical/horizontal). Quick and easy interface for field and industrial use. Reduces manual errors in dip tape or gauge readings. Useful for oil & gas, chemical, and water storage facilities. Perfect for: Operators, engineers, and field technicians who need accurate tank volume calculations on-site. Stay efficient. Stay accurate. Calculate your tank volume in seconds!
Screenshots
Verdict
The clearest difference is price: Tank_Level at Free against Subfloor Material Estimator's $0.99. Tank_Level also leads on update cadence (every 10 months vs every 42 months) and iOS requirement (12.0 vs 18.0). On 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
Tank_Level is free to download; Subfloor Material Estimator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Subfloor Material Estimator ships an update every 42 months, Tank_Level every 10 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.
| Parameter | Subfloor Material Estimator | Tank_Level |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 42 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | H3 Apps, LLC | GAMAL ABDELNASER GABR GABR |
In-app purchases
Subfloor Material Estimator
No in-app purchases
Tank_Level
No in-app purchases
Questions
Is Subfloor Material Estimator free?
Is Tank_Level free?
Do Subfloor Material Estimator or Tank_Level have ads?
Which is updated more often, Subfloor Material Estimator or Tank_Level?
Other comparisons
