# PlasterCalculator vs Perch Pot

The clearest difference is in-app purchases: Perch Pot at none against PlasterCalculator's 1. PlasterCalculator's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PlasterCalculator sells 1 one-off in-app purchase. Perch Pot asks for nothing beyond the download.

PlasterCalculator ships an update every 3 weeks, Perch Pot every 2 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | PlasterCalculator | Perch Pot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (20 ratings)](https://appshunter.io/ios/app/perch-pot/id6470251465/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 86.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steve McCulloch](https://appshunter.io/developer/1559735681) | [Jeffrey Mohan](https://appshunter.io/developer/1713271125) |

## What reviewers say

### PlasterCalculator

[App page](https://appshunter.io/ios/app/plastercalculator/id1559735679)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation | $0.99 | one-time |


### Perch Pot

[App page](https://appshunter.io/ios/app/perch-pot/id6470251465)

Organize and track all your pottery projects with this pocket-sized app. Document glazes, stages, and techniques with photos and notes, all searchable. Customize your workflow and easily recover deleted items.

**Highlights:** Search, sort, and filter projects, Photo documentation for work, Automatic iCloud sync and backup, Customizable project stages and forms, Track glazes, clays, and techniques, Capture project ideas, Undo delete functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlasterCalculator free?

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

### Is Perch Pot free?

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

### Do PlasterCalculator or Perch Pot have ads?

Neither PlasterCalculator nor Perch Pot shows ads.

### Which is updated more often, PlasterCalculator or Perch Pot?

PlasterCalculator ships an update every 3 weeks, and Perch Pot every 2 months. Most recently, PlasterCalculator was updated on October 16, 2026 and Perch Pot on October 16, 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.*