# SumGress vs Sunder

The clearest difference is in-app purchases: Sunder at none against SumGress's 4. Sunder also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SumGress sells 2 in-app purchases, starting at $1.99 per month. Sunder asks for nothing beyond the download.

SumGress ships an update every 4 days, Sunder daily. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SumGress | Sunder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 76 MB | 29 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maciej Gawlowski](https://appshunter.io/developer/1792186475) | [Thomas Watts](https://appshunter.io/developer/1867056391) |

## What reviewers say

### SumGress

[App page](https://appshunter.io/ios/app/sumgress/id6748936172)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $8.99 | per year |


### Sunder

[App page](https://appshunter.io/ios/app/sunder-soon-or-later/id6757450271)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SumGress free?

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

### Is Sunder free?

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

### Do SumGress or Sunder have ads?

Neither SumGress nor Sunder shows ads.

### Which is updated more often, SumGress or Sunder?

SumGress ships an update every 4 days, and Sunder daily. Most recently, SumGress was updated on October 11, 2026 and Sunder on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*