# Problify vs QUESS Self

The clearest difference is update cadence: Problify at every 2 days against QUESS Self's every 3 weeks. QUESS Self's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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 and QUESS Self sells 10 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Problify ships an update every 2 days, QUESS Self every 3 weeks. The most recent releases landed on September 8, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Problify | QUESS Self |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 10 MB | 93 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BENNIT FREYTAG](https://appshunter.io/developer/1819813798) | [METSys GmbH](https://appshunter.io/developer/1872359146) |

## What reviewers say

### 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 |


### QUESS Self

[App page](https://appshunter.io/ios/app/quess-self-coaching/id6758337507)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QUESS Pro | $12.99 | per month |
| QUESS Premium | $17.99 | per month |
| QUESS Pro Family | $17.99 | per month |
| QUESS Premium Family | $22.99 | per month |
| QUESS Professional | $34.99 | per month |
| QUESS Pro | $129.99 | per year |
| QUESS Premium | $179.99 | per year |
| QUESS Pro Family | $179.99 | per year |
| QUESS Premium Family | $229.99 | per year |
| QUESS Professional | $349.99 | per year |


## Frequently asked questions

### Is Problify free?

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

### Is QUESS Self free?

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

### Do Problify or QUESS Self have ads?

Neither Problify nor QUESS Self shows ads.

### Which is updated more often, Problify or QUESS Self?

Problify ships an update every 2 days, and QUESS Self every 3 weeks. Most recently, Problify was updated on September 8, 2026 and QUESS Self on August 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.*