# Denkspur vs Problify

The clearest difference is in-app purchases: Denkspur at none against Problify's 6. Denkspur also leads on iOS requirement (11.0 vs 17.0). Problify's advantage is update cadence (every 2 days vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. Problify sells 6 in-app purchases, starting at $3.99 per month. Denkspur asks for nothing beyond the download.

Denkspur ships an update every 21 months, Problify every 2 days. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Denkspur | Problify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 days** |
| Size | 268 MB | 10 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pioneo GmbH](https://appshunter.io/developer/1066782345) | [BENNIT FREYTAG](https://appshunter.io/developer/1819813798) |

## What reviewers say

### Denkspur

[App page](https://appshunter.io/ios/app/denkspur/id1321932771)

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

**In-app purchases:** none


### Problify

[App page](https://appshunter.io/ios/app/problify/id6747093129)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Tier | $3.99 | per month |
| Pro Tier | $5.99 | per month |
| Unlimited Tier | $11.99 | per month |
| Standard Tier - Annual | $39.99 | per year |
| Pro-Tier Annual | $59.99 | per year |
| Unlimited-Tier Annual | $99.99 | per year |


## Frequently asked questions

### Is Denkspur free?

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

### Is Problify free?

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

### Do Denkspur or Problify have ads?

Neither Denkspur nor Problify shows ads.

### Which is updated more often, Denkspur or Problify?

Denkspur ships an update every 21 months, and Problify every 2 days. Most recently, Denkspur was updated on September 21, 2026 and Problify on September 8, 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.*