# 3D Printing Cost Calculator vs Timer Kit：Focus&Countdown

The clearest difference is iOS requirement: Timer Kit：Focus&Countdown at 15.0 against 3D Printing Cost Calculator's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 3D Printing Cost Calculator sells 4 one-off in-app purchases and Timer Kit：Focus&Countdown sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

3D Printing Cost Calculator ships an update every 2 months, Timer Kit：Focus&Countdown every 3 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 3D Printing Cost Calculator | Timer Kit：Focus&Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (50 ratings)](https://appshunter.io/ios/app/3d-printing-cost-calculator/id6502561182/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marcel Kraus](https://appshunter.io/developer/1361655712) | [SMJ Jewellery (HK) Limited](https://appshunter.io/developer/1721196677) |

## What reviewers say

### 3D Printing Cost Calculator

[App page](https://appshunter.io/ios/app/3d-printing-cost-calculator/id6502561182)

Easily calculate the total costs of your 3D printing projects, including materials, labor, and operating expenses. An optional paid package offers advanced features like saving calculations and profit analysis. The core cost calculation remains free and ad-free.

**Highlights:** Calculate material costs, Calculate labor costs, Calculate operating costs, Save calculations (paid feature), Use profiles (paid feature), Profit analysis (paid feature)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kleines Trinkgeld | $2.99 | one-time |
| Mittleres Trinkgeld | $3.99 | one-time |
| PLUS | $3.99 | one-time |
| Großes Trinkgeld | $8.99 | one-time |


### Timer Kit：Focus&Countdown

[App page](https://appshunter.io/ios/app/timer-kitfocus-and-countdown/id6747704566)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week VIP | $6.99 | per 7 days |
| Year VIP | $39.99 | per year |


## Frequently asked questions

### Is 3D Printing Cost Calculator free?

3D Printing Cost Calculator is free to download, with in-app purchases available.

### Is Timer Kit：Focus&Countdown free?

Timer Kit：Focus&Countdown is free to download, with in-app purchases available.

### Do 3D Printing Cost Calculator or Timer Kit：Focus&Countdown have ads?

Neither 3D Printing Cost Calculator nor Timer Kit：Focus&Countdown shows ads.

### Which is updated more often, 3D Printing Cost Calculator or Timer Kit：Focus&Countdown?

3D Printing Cost Calculator ships an update every 2 months, and Timer Kit：Focus&Countdown every 3 months. Most recently, 3D Printing Cost Calculator was updated on October 25, 2026 and Timer Kit：Focus&Countdown on October 7, 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.*