# Calc ± Smart Widgets vs Pitmi

The clearest difference is update cadence: Calc ± Smart Widgets at daily against Pitmi's every 6 days. Pitmi's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calc ± Smart Widgets sells 2 in-app purchases, starting at $1.99 per month and Pitmi sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Calc ± Smart Widgets ships an update daily, Pitmi every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calc ± Smart Widgets | Pitmi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 days |
| Size | 55 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [HKinfoway Technologies](https://appshunter.io/developer/1498599856) | [Rafa Tarrega](https://appshunter.io/developer/1885296734) |

## What reviewers say

### Calc ± Smart Widgets

[App page](https://appshunter.io/ios/app/calc-smart-widgets/id6745335333)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc ± Pro Monthly | $1.99 | per month |
| Calc ± Pro Yearly | $12.99 | per year |


### Pitmi

[App page](https://appshunter.io/ios/app/pitmi-vehicle-maintenance/id6760608334)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pitmi Pro | $0.99 | per month |
| Pitmi Pro | $7.99 | per year |


## Frequently asked questions

### Is Calc ± Smart Widgets free?

Calc ± Smart Widgets is free to download, with in-app purchases available.

### Is Pitmi free?

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

### Do Calc ± Smart Widgets or Pitmi have ads?

Neither Calc ± Smart Widgets nor Pitmi shows ads.

### Which is updated more often, Calc ± Smart Widgets or Pitmi?

Calc ± Smart Widgets ships an update daily, and Pitmi every 6 days. Most recently, Calc ± Smart Widgets was updated on October 30, 2026 and Pitmi on October 28, 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.*