# Calsy vs Focus Timer For Productivity ®

The clearest difference is update cadence: Calsy at monthly against Focus Timer For Productivity ®'s every 4 months. Calsy also leads on iOS requirement (15.2 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Calsy ships an update monthly, Focus Timer For Productivity ® every 4 months. The most recent releases landed on October 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Calsy | Focus Timer For Productivity ® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calsy-smart-quick-simple/id1624719076/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 25 MB | 9 MB |
| Requires iOS | **15.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salvador Garcia Bernal](https://appshunter.io/developer/1623605487) | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) |

## What reviewers say

### Calsy

[App page](https://appshunter.io/ios/app/calsy-smart-quick-simple/id1624719076)

This versatile calculator offers a minimalist interface with powerful functionality for everyday calculations. It includes features for exploring facts, calculating gas performance, mastering price increases, converting temperatures and lengths, estimating paint needs, and simplifying number conversions.

**Highlights:** Explore interesting facts, Calculate gas performance and cost, Master price increases and percentages, Convert temperatures and lengths, Calculate paint and garden volume, Simplify number system conversions, Estimate file transfer time

**Features:** macOS Compatibility

**In-app purchases:** none


### Focus Timer For Productivity ®

[App page](https://appshunter.io/ios/app/focus-timer-for-productivity/id6751766120)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calsy free?

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

### Is Focus Timer For Productivity ® free?

Focus Timer For Productivity ® is free to download, with no in-app purchases.

### Do Calsy or Focus Timer For Productivity ® have ads?

Neither Calsy nor Focus Timer For Productivity ® shows ads.

### Which is updated more often, Calsy or Focus Timer For Productivity ®?

Calsy ships an update monthly, and Focus Timer For Productivity ® every 4 months. Most recently, Calsy was updated on October 16, 2026 and Focus Timer For Productivity ® on September 19, 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.*