# Focus To vs Dev Calc

The clearest difference is rating: Focus To at 4.8 against Dev Calc's 2.0. Focus To also leads on ads (none vs shown) and ratings volume (15K vs 2). Dev Calc's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Focus To sells 3 one-off in-app purchases and Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Focus To holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Focus To has 15K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Focus To's written reviews are positive against 60% of Dev Calc's.

Focus To ships an update every 5 weeks, Dev Calc every 2 months. The most recent releases landed on September 25, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Focus To | Dev Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/focus-to-do-focus-timer-and-tasks/id966057213/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219/reviews) |
| Number of ratings | **15K** | 2 |
| Positive reviews | **79.9% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 100 MB | 51 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Tomato Software Technology Co., Ltd.](https://appshunter.io/developer/966057212) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### Focus To

[App page](https://appshunter.io/ios/app/focus-to-do-focus-timer-and-tasks/id966057213)

This app combines a Pomodoro timer with task management to boost productivity. Organize tasks, set reminders, and track your focused work sessions with detailed reports. Syncs across all your devices for seamless management.

**Highlights:** Pomodoro timer with customizable lengths, Task and project organization, Recurring tasks and reminders, Detailed time tracking reports, Cross-platform synchronization, White noise for focus

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus To-Do Premium | $1.99 | one-time |
| 3 Months | $3.99 | one-time |
| Lifetime | $11.99 | one-time |

**What reviewers like**

- 👍 Well-designed interface
- 🚀 Helpful for productivity and focus
- 💡 Useful Pomodoro technique integration
- 🌱 Motivating gamification features
- 📊 Detailed analytics and progress tracking

**What reviewers complain about**

- 🐛 Sync issues between devices
- 🔋 High battery consumption
- 🔍 Cluttered or confusing interface
- 🕰️ Timer resets or disappears unexpectedly
- 🚫 Paywall locks core features

**Reported bugs**

- Pomodoro timer not working correctly
- Data/progress resets randomly
- Syncing issues between devices

**Requested features**

- Dark mode option
- Calendar integration
- Ability to pause/resume Pomodoro sessions
- More customization options
- Improved Apple Watch app functionality


### Dev Calc

[App page](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219)

This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.

**Highlights:** Numeric conversion (Bin, Oct, Dec, Hex), Signed/Unsigned options, Adjustable bit sizes (8, 16, 32, 64), RGB, HSL, HSV color code generation, Color picker, Preset color options

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is Focus To free?

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

### Is Dev Calc free?

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

### Which has better reviews, Focus To or Dev Calc?

Focus To is rated higher. Focus To averages 4.8 out of 5 from 15K ratings, while Dev Calc averages 2.0 from 2 ratings.

### Do Focus To or Dev Calc have ads?

Dev Calc shows ads; Focus To does not.

### Which is updated more often, Focus To or Dev Calc?

Focus To ships an update every 5 weeks, and Dev Calc every 2 months. Most recently, Focus To was updated on September 25, 2026 and Dev Calc on June 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.*