# Willpower vs SumGress

The clearest difference is update cadence: Willpower at daily against SumGress's every 4 days. Willpower also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Willpower sells 3 in-app purchases, starting at $4.99 per month and SumGress sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Willpower ships an update daily, SumGress every 4 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | Willpower | SumGress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/willpower-challenge-yourself/id1623804405/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | Freemium | — |
| Size | 143 MB | 76 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AKMETEKH, TOV](https://appshunter.io/developer/1565343852) | [Maciej Gawlowski](https://appshunter.io/developer/1792186475) |

## What reviewers say

### Willpower

[App page](https://appshunter.io/ios/app/willpower-challenge-yourself/id1623804405)

This app offers a variety of programs to help you achieve personal growth goals, from fitness and nutrition to quitting bad habits. Track your progress with detailed statistics, earn rewards, and connect with a community for support and motivation.

**Highlights:** Personalized challenges for various life areas, Progress tracking with statistics, Gamified rewards system (Trophies, Willpoints), Community features for social support, Daily updates to challenge library, Multiple difficulty levels and Heroic mode

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Membership | $4.99 | per month |
| 3 Months Membership | $11.99 | per 3 months |
| 12 Months Membership | $41.99 | per year |


### 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 |


## Frequently asked questions

### Is Willpower free?

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

### Is SumGress free?

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

### Do Willpower or SumGress have ads?

Neither Willpower nor SumGress shows ads.

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

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