# P.M.M.D Calculator vs ThreadsME

The clearest difference is price: ThreadsME at Free against P.M.M.D Calculator's $3.99. ThreadsME also leads on update cadence (every 10 days vs every 22 months). P.M.M.D Calculator's advantage is iOS requirement (13 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

ThreadsME is free to download; P.M.M.D Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

P.M.M.D Calculator ships an update every 22 months, ThreadsME every 10 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | P.M.M.D Calculator | ThreadsME |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 10 days** |
| Size | 1 MB | 89 MB |
| Requires iOS | **13** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [THREADS D G T TRADING L.L.C (BRANCH)](https://appshunter.io/developer/6804181310) |

## What reviewers say

### P.M.M.D Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ThreadsME

[App page](https://appshunter.io/ios/app/threadsme/id6785442380)

**In-app purchases:** none


## Frequently asked questions

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

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

### Is ThreadsME free?

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

### Do P.M.M.D Calculator or ThreadsME have ads?

Neither P.M.M.D Calculator nor ThreadsME shows ads.

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

P.M.M.D Calculator ships an update every 22 months, and ThreadsME every 10 days. Most recently, P.M.M.D Calculator was updated on September 30, 2026 and ThreadsME on October 6, 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.*