# Construction Calculator A1 Pro vs Reminders.AI

The clearest difference is price: Reminders.AI at Free against Construction Calculator A1 Pro's $39.99. Reminders.AI also leads on rating (5.0 vs 4.1) and iOS requirement (13.0 vs 15.0). Construction Calculator A1 Pro's advantage is in-app purchases (none vs 2) and ratings volume (8 vs 1). On update cadence and ads there is nothing between them.

Reminders.AI is free to download; Construction Calculator A1 Pro costs $39.99 up front. Reminders.AI sells 2 in-app purchases, starting at $24.99 per month. Construction Calculator A1 Pro asks for nothing beyond the download.

Reminders.AI holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Construction Calculator A1 Pro has 8 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 Pro | Reminders.AI |
| --- | --- | --- |
| Price | $39.99 | **Free** |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/remindersai/id6476711765/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Paid** | Subscription |
| Size | 126 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Sentrix Inc.](https://appshunter.io/developer/1684190084) |

## What reviewers say

### Construction Calculator A1 Pro

[App page](https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490)

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It helps estimate material quantities, steel tonnage, and perform complex measurements with ease. Users can also generate Bills of Quantities and export reports for clients.

**Highlights:** Concrete quantity estimation, Rebar bending schedule (BBS), Feet-inches calculator, Area and volume calculations, Bill of Quantities (BOQ) export, Project organization and sharing

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Reminders.AI

[App page](https://appshunter.io/ios/app/remindersai/id6476711765)

Effortlessly generate thoughtful gift ideas and discover ideal party locations for all your special occasions. Never forget a birthday, holiday, or anniversary again with intelligent suggestions.

**Highlights:** AI-generated gift ideas, Party location suggestions, Event reminders (birthdays, holidays, anniversaries), Subscription for unlimited features, Manage auto-renew settings

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $24.99 | per month |
| Annual Subscription | $239.99 | per year |


## Frequently asked questions

### Is Construction Calculator A1 Pro free?

Construction Calculator A1 Pro costs $39.99, with no in-app purchases.

### Is Reminders.AI free?

Reminders.AI is free to download, with in-app purchases available.

### Which has better reviews, Construction Calculator A1 Pro or Reminders.AI?

Reminders.AI is rated higher. Construction Calculator A1 Pro averages 4.1 out of 5 from 8 ratings, while Reminders.AI averages 5.0 from 1 ratings.

### Do Construction Calculator A1 Pro or Reminders.AI have ads?

Neither Construction Calculator A1 Pro nor Reminders.AI shows ads.

### Which is updated more often, Construction Calculator A1 Pro or Reminders.AI?

Construction Calculator A1 Pro ships an update monthly, and Reminders.AI monthly. Most recently, Construction Calculator A1 Pro was updated on October 30, 2026 and Reminders.AI on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*