# Days until my due date? vs IGC H₂

The clearest difference is price: IGC H₂ at Free against Days until my due date?'s $0.99. IGC H₂ also leads on ads (none vs shown) and update cadence (every 5 days vs every 38 months). On in-app purchases and device support there is nothing between them.

IGC H₂ is free to download; Days until my due date? costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Days until my due date? ships an update every 38 months, IGC H₂ every 5 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Days until my due date? | IGC H₂ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 38 months | **Every 5 days** |
| Size | 8 MB | 17 MB |
| Requires iOS | 16.6 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Industrial Gas Consultants LLC](https://appshunter.io/developer/1725282233) |

## What reviewers say

### Days until my due date?

[App page](https://appshunter.io/ios/app/days-until-my-due-date/id725271047)

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

**In-app purchases:** none


### IGC H₂

[App page](https://appshunter.io/ios/app/igc-h-co-unit-conversion-app/id6475814418)

**In-app purchases:** none


## Frequently asked questions

### Is Days until my due date? free?

Days until my due date? costs $0.99, with no in-app purchases.

### Is IGC H₂ free?

IGC H₂ is free to download, with no in-app purchases.

### Do Days until my due date? or IGC H₂ have ads?

Days until my due date? shows ads; IGC H₂ does not.

### Which is updated more often, Days until my due date? or IGC H₂?

Days until my due date? ships an update every 38 months, and IGC H₂ every 5 days. Most recently, Days until my due date? was updated on November 6, 2026 and IGC H₂ on November 4, 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.*