# Layout Calc Pro vs Aquarius Field Maintenance

The clearest difference is in-app purchases: Aquarius Field Maintenance at none against Layout Calc Pro's 7. Aquarius Field Maintenance also leads on update cadence (daily vs weekly) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Layout Calc Pro sells 7 one-off in-app purchases. Aquarius Field Maintenance asks for nothing beyond the download.

Layout Calc Pro ships an update weekly, Aquarius Field Maintenance daily. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Layout Calc Pro | Aquarius Field Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 71 MB | 37 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [思源 李](https://appshunter.io/developer/1704804704) | [Edrean Ernst](https://appshunter.io/developer/1022021500) |

## What reviewers say

### Layout Calc Pro

[App page](https://appshunter.io/ios/app/layout-calc-pro/id6476074424)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Day VIP | $5.00 | one-time |
| 1-Year VIP Membership | $19.99 | one-time |
| 2-Year VIP Membership | $34.99 | one-time |
| 3-Year VIP Membership | $44.99 | one-time |
| 1-Year VIP Membership | $55.00 | one-time |
| 2-Year VIP Membership | $104.99 | one-time |
| 3-Year VIP Membership | $154.99 | one-time |


### Aquarius Field Maintenance

[App page](https://appshunter.io/ios/app/aquarius-field-maintenance/id6758987630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Layout Calc Pro free?

Layout Calc Pro is free to download, with in-app purchases available.

### Is Aquarius Field Maintenance free?

Aquarius Field Maintenance is free to download, with no in-app purchases.

### Do Layout Calc Pro or Aquarius Field Maintenance have ads?

Neither Layout Calc Pro nor Aquarius Field Maintenance shows ads.

### Which is updated more often, Layout Calc Pro or Aquarius Field Maintenance?

Layout Calc Pro ships an update weekly, and Aquarius Field Maintenance daily. Most recently, Layout Calc Pro was updated on October 30, 2026 and Aquarius Field Maintenance on October 28, 2026.

---

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