# AirCalc_ vs AGPOS

The clearest difference is price: AGPOS at Free against AirCalc_'s $0.99. AGPOS also leads on update cadence (fortnightly vs every 3 months) and review sentiment (33% vs 25%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

AGPOS is free to download; AirCalc_ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AirCalc_ ships an update every 3 months, AGPOS fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AirCalc_ | AGPOS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 25.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 24 MB | 32 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIR DESIGN, INC.](https://appshunter.io/developer/923430781) | [AGRI SMILE](https://appshunter.io/developer/1502019497) |

## What reviewers say

### AirCalc_

[App page](https://appshunter.io/ios/app/aircalc/id923430782)

This app calculates the state of moist air using parameters like pressure, temperature, and humidity. It simplifies psychrometric diagram readings by allowing calculations with just three known values, assuming normal atmospheric pressure.

**Highlights:** Moist air state calculation, Pressure, temperature, humidity input, Specific enthalpy and volume calculation, Simplified psychrometric diagram readings, Adjustable pressure settings, Assumed temperature range: -20°C to 90°C

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AGPOS

[App page](https://appshunter.io/ios/app/agpos/id6770423885)

This app streamlines agricultural material ordering and confirmation for cooperative members and producers. It allows for immediate and pre-orders, detailed material checks, order confirmation, and delivery method selection. Users can also view past orders, invoices, and announcements, all within a single application to reduce daily workload.

**Highlights:** Immediate and pre-orders, Order history and reordering, Invoice and announcement viewing, Material details and related documents, Delivery method selection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AirCalc_ free?

AirCalc_ costs $0.99, with no in-app purchases.

### Is AGPOS free?

AGPOS is free to download, with no in-app purchases.

### Do AirCalc_ or AGPOS have ads?

Neither AirCalc_ nor AGPOS shows ads.

### Which is updated more often, AirCalc_ or AGPOS?

AirCalc_ ships an update every 3 months, and AGPOS fortnightly. Most recently, AirCalc_ was updated on November 1, 2026 and AGPOS on October 31, 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.*