# QMS vs Problem Solver

The clearest difference is iOS requirement: Problem Solver at 12.4 against QMS's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QMS ships an update fortnightly, Problem Solver every 3 weeks. The most recent releases landed on October 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | QMS | Problem Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 37 MB | 21 MB |
| Requires iOS | 14.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QualiCost AS](https://appshunter.io/developer/953002467) | [Omnex Systems LLC](https://appshunter.io/developer/1516248088) |

## What reviewers say

### QMS

[App page](https://appshunter.io/ios/app/qms-brg/id953002468)

**Features:** macOS Compatibility

**In-app purchases:** none


### Problem Solver

[App page](https://appshunter.io/ios/app/problem-solver/id6452589428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QMS free?

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

### Is Problem Solver free?

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

### Do QMS or Problem Solver have ads?

Neither QMS nor Problem Solver shows ads.

### Which is updated more often, QMS or Problem Solver?

QMS ships an update fortnightly, and Problem Solver every 3 weeks. Most recently, QMS was updated on October 11, 2026 and Problem Solver on September 21, 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.*