# Claritist Basic vs Calculation

The clearest difference is ads: Claritist Basic at none against Calculation's shown. Claritist Basic also leads on device support (3 vs 1). Calculation's advantage is iOS requirement (16.0 vs 18.6). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Claritist Basic ships an update every 5 weeks, Calculation every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Claritist Basic | Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/claritist-basic/id1476214571/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 19 MB | 7 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yee Keat Phuah](https://appshunter.io/developer/1451391831) | [SooRyong Hyun](https://appshunter.io/developer/1685604103) |

## What reviewers say

### Claritist Basic

[App page](https://appshunter.io/ios/app/claritist-basic/id1476214571)

This app helps you manage tasks using the Getting Things Done methodology with a focus on simplicity. It features a Tickler File, secure iCloud storage, and multiple ways to capture information. Organize tasks by context and time for efficient action.

**Highlights:** Getting Things Done (GTD) methodology support, Tickler File feature, Secure iCloud data storage, Multiple information capture methods (Siri, share), Categorization with custom icons, Weekly reflection for system review, Context-based task sorting

**Features:** Vision Pro support

**In-app purchases:** none


### Calculation

[App page](https://appshunter.io/ios/app/calculation-basic-calculator/id6462632655)

**In-app purchases:** none


## Frequently asked questions

### Is Claritist Basic free?

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

### Is Calculation free?

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

### Do Claritist Basic or Calculation have ads?

Calculation shows ads; Claritist Basic does not.

### Which is updated more often, Claritist Basic or Calculation?

Claritist Basic ships an update every 5 weeks, and Calculation every 2 months. Most recently, Claritist Basic was updated on November 3, 2026 and Calculation on November 7, 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.*