# Duall Master vs Solid Focus Timer

The clearest difference is in-app purchases: Duall Master at none against Solid Focus Timer's 2. Duall Master also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Solid Focus Timer sells 2 one-off in-app purchases. Duall Master asks for nothing beyond the download.

Duall Master ships an update fortnightly, Solid Focus Timer every 2 weeks. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Duall Master | Solid Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (16 ratings)](https://appshunter.io/ios/app/solid-focus-timer/id6444367413/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | — | Paid |
| Size | 78 MB | 128 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [DUALi Inc.](https://appshunter.io/developer/1416508011) | [Solid Apps S.R.L.](https://appshunter.io/developer/1653740418) |

## What reviewers say

### Duall Master

[App page](https://appshunter.io/ios/app/duall-master/id1500403553)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solid Focus Timer

[App page](https://appshunter.io/ios/app/solid-focus-timer/id6444367413)

This app helps ambitious individuals break down large goals into actionable steps and focus on achieving them. It offers AI-powered suggestions, a focus timer with Lo-Fi radio, and a community ranking system to motivate users. Your data is encrypted and 100% private.

**Highlights:** Actionable step creation, AI-powered goal suggestions, Focus timer with Lo-Fi radio, Community ranking and competition, Idea vault for saving thoughts, Privacy-focused design

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock this app (lifetime) | $4.99 | one-time |
| Unlock ALL 10 Solid Apps (lifetime) | $9.99 | one-time |


## Frequently asked questions

### Is Duall Master free?

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

### Is Solid Focus Timer free?

Solid Focus Timer is free to download, with in-app purchases available.

### Do Duall Master or Solid Focus Timer have ads?

Neither Duall Master nor Solid Focus Timer shows ads.

### Which is updated more often, Duall Master or Solid Focus Timer?

Duall Master ships an update fortnightly, and Solid Focus Timer every 2 weeks. Most recently, Duall Master was updated on September 22, 2026 and Solid Focus Timer on September 17, 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.*