# Colinear vs Calculator Keyboard

The clearest difference is in-app purchases: Colinear at none against Calculator Keyboard's 1. Calculator Keyboard's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator Keyboard sells 1 one-off in-app purchase. Colinear asks for nothing beyond the download.

Colinear ships an update every 3 weeks, Calculator Keyboard weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Colinear | Calculator Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/colinear/id6460901435/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 7 MB | 1 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joe Guedes](https://appshunter.io/developer/543558619) | [Ryunosuke Karimata](https://appshunter.io/developer/1871969813) |

## What reviewers say

### Colinear

[App page](https://appshunter.io/ios/app/colinear/id6460901435)

Manage and track your issues natively on mobile. This app links to your Linear workspace, allowing you to monitor ongoing tasks and see what needs to be completed. It offers a streamlined experience for project management on iOS devices.

**Highlights:** Link Linear workspace, Track ongoing issues, Monitor roadmap, Native iOS features, Project management on mobile

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

**In-app purchases:** none


### Calculator Keyboard

[App page](https://appshunter.io/ios/app/calculator-keyboard-calkey/id6758283103)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $2.99 | one-time |


## Frequently asked questions

### Is Colinear free?

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

### Is Calculator Keyboard free?

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

### Do Colinear or Calculator Keyboard have ads?

Neither Colinear nor Calculator Keyboard shows ads.

### Which is updated more often, Colinear or Calculator Keyboard?

Colinear ships an update every 3 weeks, and Calculator Keyboard weekly. Most recently, Colinear was updated on November 3, 2026 and Calculator Keyboard on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*