Concrete Help vs Plain MEMO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Concrete Help
Easily calculate the concrete volume needed for various shapes like holes, slabs, and tubes. Customize input and output units, and set decimal precision for accurate measurements.
- Calculate concrete volume for holes, slabs, and tubes
- Select input units (mm, cm, m, km, inches, feet, yards, miles)
- Select output units (cubic mm, cm, m, km, inches, feet, yards, miles)
- Customize decimal place precision
- Supports iPhone and iPad
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Concrete Help is the easiest way to find how much concrete is needed for a given hole, slab or tube. Features Include: - Accurately solve concrete volume equations - Set preferred input units from: mm, cm, m, km, inches, feet, yards and miles - Set preferred output units from: mm³, cm³, m³, km³, cubic inches, cubic feet, cubic yards and cubic miles - Select your preferred number of decimal places
Plain MEMO
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Plain MEMO is an intuitive application designed to help you effortlessly capture and manage your memos. With Plain MEMO, you can quickly jot down notes, ideas, and reminders, keeping everything organized in one place. The app's user-friendly interface ensures you can easily create, edit, and categorize your memos for efficient management. Whether it's a quick thought, a shopping list, or a detailed plan, Plain MEMO makes it simple to keep track of all your important information. Stay organized and on top of your notes with the simplicity and convenience of Plain MEMO.
Screenshots
Verdict
The clearest difference is price: Plain MEMO at Free against Concrete Help's $1.99. Plain MEMO also leads on update cadence (every 6 days vs every 15 months). Concrete Help's advantage is iOS requirement (10.0 vs 12.0). 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
Plain MEMO is free to download; Concrete Help costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Concrete Help ships an update every 15 months, Plain MEMO every 6 days. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.
| Parameter | Concrete Help | Plain MEMO |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (115 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 115 — better | — |
| Update frequency | Every 15 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 6 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Armchair Engineering | Hyobeom Han |
In-app purchases
Concrete Help
No in-app purchases
Plain MEMO
No in-app purchases
Questions
Is Concrete Help free?
Is Plain MEMO free?
Do Concrete Help or Plain MEMO have ads?
Which is updated more often, Concrete Help or Plain MEMO?
Other comparisons
