# Calculator AM vs Focus Timer

The clearest difference is update cadence: Calculator AM at fortnightly against Focus Timer's monthly. Calculator AM also leads on iOS requirement (9.0 vs 15.0). Focus Timer's advantage is ratings volume (12 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Calculator AM sells 3 in-app purchases, starting at $0.49 per month and Focus Timer sells 2 in-app purchases, starting at $4.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Calculator AM against 4.0 for Focus Timer. That said, the two scores are not equally well evidenced: Focus Timer has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Calculator AM ships an update fortnightly, Focus Timer monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Calculator AM | Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/calculator-am/id1511163593/reviews) | [4.0 (12 ratings)](https://appshunter.io/ios/app/focus-timer-work-with-friend/id6463947468/reviews) |
| Number of ratings | 2 | **12** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 129 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Maier](https://appshunter.io/developer/454364359) | [Alican Efe](https://appshunter.io/developer/1693988285) |

## What reviewers say

### Calculator AM

[App page](https://appshunter.io/ios/app/calculator-am/id1511163593)

This calculator app provides an immediate display of results and calculation methods as you type. Its simple user experience helps you avoid errors and quickly see your work. It offers a free version with optional subscriptions for enhanced features.

**Highlights:** Immediate result display, Calculation method history, Simple user experience, Typo recognition, Monthly subscription option, Yearly subscription option

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.49 | per month |
| Yearly | $2.49 | per year |
| One time purchase | $4.99 | one-time |


### Focus Timer

[App page](https://appshunter.io/ios/app/focus-timer-work-with-friend/id6463947468)

Enhance concentration with curated Baroque music and soothing rain sounds. Customize focus sessions with an adjustable timer to boost productivity and creativity. Create your ideal audio ambiance for work, study, or relaxation.

**Highlights:** Adjustable focus timer, Largo Baroque music, Rain soundscapes, Personalized audio ambiance, Productivity enhancement, Seamless interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month Focus Timer Pro | $4.99 | per 3 months |
| Annual Professional Access | $9.99 | per year |


## Frequently asked questions

### Is Calculator AM free?

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

### Is Focus Timer free?

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

### Which has better reviews, Calculator AM or Focus Timer?

Calculator AM and Focus Timer are both rated 4.0 out of 5 on the App Store, from 2 and 12 ratings respectively.

### Do Calculator AM or Focus Timer have ads?

Neither Calculator AM nor Focus Timer shows ads.

### Which is updated more often, Calculator AM or Focus Timer?

Calculator AM ships an update fortnightly, and Focus Timer monthly. Most recently, Calculator AM was updated on November 3, 2026 and Focus Timer on November 3, 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.*