# ToDue vs Sextuple Calc

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

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

ToDue ships an update every 3 months, Sextuple Calc every 2 weeks. The most recent releases landed on September 9, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | ToDue | Sextuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 2 MB | 36 MB |
| Requires iOS | **14.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Niklas Kuder](https://appshunter.io/developer/1602670933) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### ToDue

[App page](https://appshunter.io/ios/app/todue-deadline-manager/id6443452944)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sextuple Calc

[App page](https://appshunter.io/ios/app/sextuple-calc/id6742039709)

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

**In-app purchases:** none


## Frequently asked questions

### Is ToDue free?

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

### Is Sextuple Calc free?

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

### Do ToDue or Sextuple Calc have ads?

Sextuple Calc shows ads; ToDue does not.

### Which is updated more often, ToDue or Sextuple Calc?

ToDue ships an update every 3 months, and Sextuple Calc every 2 weeks. Most recently, ToDue was updated on September 9, 2026 and Sextuple Calc on July 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.*