# Submon vs SnapDue

The clearest difference is in-app purchases: Submon at none against SnapDue's 7. SnapDue's advantage is ads (none vs shown) and update cadence (weekly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SnapDue sells 7 in-app purchases, starting at $4.99 per month. Submon asks for nothing beyond the download.

Submon ships an update every 3 months, SnapDue weekly. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Submon | SnapDue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Size | 68 MB | 80 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuya Chikamatsu](https://appshunter.io/developer/1625033199) | [Xuyen Nguyen](https://appshunter.io/developer/1831285450) |

## What reviewers say

### Submon

[App page](https://appshunter.io/ios/app/submon/id1625033197)

**Features:** macOS Compatibility

**In-app purchases:** none


### SnapDue

[App page](https://appshunter.io/ios/app/snapdue-deadline-tracker/id6757809280)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snapdue Pro Monthly | $4.99 | per month |
| Snapdue Pro Annual | $39.99 | per year |
| 10 AI Credits | $0.99 | one-time |
| 25 AI Credits | $1.99 | one-time |
| 50 AI Credits | $2.99 | one-time |
| 100 AI Credits | $4.99 | one-time |
| 250 AI Credits | $9.99 | one-time |


## Frequently asked questions

### Is Submon free?

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

### Is SnapDue free?

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

### Do Submon or SnapDue have ads?

Submon shows ads; SnapDue does not.

### Which is updated more often, Submon or SnapDue?

Submon ships an update every 3 months, and SnapDue weekly. Most recently, Submon was updated on September 23, 2026 and SnapDue on September 18, 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.*