# HelloTimer vs CalcKey

The clearest difference is review sentiment: HelloTimer at 100% against CalcKey's 0%. HelloTimer also leads on rating (5.0 vs 3.8) and update cadence (daily vs every 3 weeks). CalcKey's advantage is ratings volume (8 vs 2) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. HelloTimer sells 1 one-off in-app purchase and CalcKey sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

HelloTimer holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 100% of HelloTimer's written reviews are positive against 0% of CalcKey's.

HelloTimer ships an update daily, CalcKey every 3 weeks. The most recent releases landed on August 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | HelloTimer | CalcKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hellotimer-all-in-one-timer/id6741063591/reviews)** | [3.8 (8 ratings)](https://appshunter.io/ios/app/calckey-calculator-keyboard/id6748647909/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 14 MB |
| Requires iOS | 16.1 | **15** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [海峰 陈](https://appshunter.io/developer/561392212) | [Right Tracks IT Limited](https://appshunter.io/developer/1803615116) |

## What reviewers say

### HelloTimer

[App page](https://appshunter.io/ios/app/hellotimer-all-in-one-timer/id6741063591)

This app helps you build focus and rhythm with versatile timer functions. It supports multiple timers, background running, and real-time progress display on your lock screen or in a floating window. Track your time investment with detailed statistics for improved productivity.

**Highlights:** Multiple countdown and count-up timers, Dynamic Island and Lock Screen integration, Floating window mode (Picture-in-Picture), Background timer operation, Save and track timer sessions, Chart-based time statistics

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimerPlus Lifetime Unlock | $2.99 | one-time |


### CalcKey

[App page](https://appshunter.io/ios/app/calckey-calculator-keyboard/id6748647909)

Perform calculations directly within any app using a smart keyboard extension. Get instant results for basic and scientific equations, with a history of your calculations. Enjoy a seamless typing experience and smart formatting.

**Highlights:** Keyboard calculator extension, Real-time results, Basic & scientific calculators, Calculation history, Smart formatting, Standalone app option

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcKey Pro Monthly | $3.99 | per month |
| One time purchase | $19.99 | one-time |


## Frequently asked questions

### Is HelloTimer free?

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

### Is CalcKey free?

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

### Which has better reviews, HelloTimer or CalcKey?

HelloTimer is rated higher. HelloTimer averages 5.0 out of 5 from 2 ratings, while CalcKey averages 3.8 from 8 ratings.

### Do HelloTimer or CalcKey have ads?

Neither HelloTimer nor CalcKey shows ads.

### Which is updated more often, HelloTimer or CalcKey?

HelloTimer ships an update daily, and CalcKey every 3 weeks. Most recently, HelloTimer was updated on August 20, 2026 and CalcKey on September 9, 2026.

---

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