# Disco Timer vs P.M.M.D Calculator

The clearest difference is price: Disco Timer at Free against P.M.M.D Calculator's $3.99. Disco Timer also leads on update cadence (every 5 months vs every 22 months). P.M.M.D Calculator's advantage is in-app purchases (none vs 1) and iOS requirement (13 vs 15.4). On ads and device support there is nothing between them.

Disco Timer is free to download; P.M.M.D Calculator costs $3.99 up front. Disco Timer sells 1 one-off in-app purchase. P.M.M.D Calculator asks for nothing beyond the download.

Disco Timer ships an update every 5 months, P.M.M.D Calculator every 22 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Disco Timer | P.M.M.D Calculator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (97 ratings)](https://appshunter.io/ios/app/disco-timer-visual-countdown/id986510052/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 22 months |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 1 MB |
| Requires iOS | 15.4 | **13** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Codulis](https://appshunter.io/developer/335542761) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Disco Timer

[App page](https://appshunter.io/ios/app/disco-timer-visual-countdown/id986510052)

This app provides a visually intuitive countdown timer for various tasks, from cooking to presentations. Its unique rotary gesture for setting time and large display make it easy to use and read from a distance. Customize alerts and colors for a personalized experience.

**Highlights:** Rotary gesture time setting, Large, high-contrast display, Glanceable from a distance, Disable auto-lock option, Customizable color combinations (Premium), Variety of exclusive alert tones

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disco Timer Premium | $2.99 | one-time |


### P.M.M.D Calculator

[App page](https://appshunter.io/ios/app/pmmd-calculator/id1631470538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Disco Timer free?

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

### Is P.M.M.D Calculator free?

P.M.M.D Calculator costs $3.99, with no in-app purchases.

### Do Disco Timer or P.M.M.D Calculator have ads?

Neither Disco Timer nor P.M.M.D Calculator shows ads.

### Which is updated more often, Disco Timer or P.M.M.D Calculator?

Disco Timer ships an update every 5 months, and P.M.M.D Calculator every 22 months. Most recently, Disco Timer was updated on October 7, 2026 and P.M.M.D Calculator on September 30, 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.*