# TraceBot vs Stair Calculator Pro

The clearest difference is in-app purchases: TraceBot at none against Stair Calculator Pro's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stair Calculator Pro sells 3 in-app purchases, starting at $0.99 per 7 days. TraceBot asks for nothing beyond the download.

## The numbers

| Metric | TraceBot | Stair Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/stair-calculator-pro/id6757703166/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | — | Freemium |
| Size | 20 MB | 2 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Usman Chelambra](https://appshunter.io/developer/1659171686) | [Anna Filobok](https://appshunter.io/developer/1613515832) |

## What reviewers say

### TraceBot

[App page](https://appshunter.io/ios/app/tracebot/id6753710881)

**In-app purchases:** none


### Stair Calculator Pro

[App page](https://appshunter.io/ios/app/stair-calculator-pro/id6757703166)

This app quickly calculates stair dimensions like number of steps, total run, and stringer measurements. It supports real-time unit conversions between imperial and metric systems and includes a currency converter. Premium features require a subscription.

**Highlights:** Real-time stair dimension calculation, Imperial and metric unit conversion, Currency converter, Calculate number of steps from total rise, Cost calculation per step, Supports various input and output units

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per 7 days |
| Premium Access | $1.99 | per month |
| Premium Access | $5.99 | per year |


## Frequently asked questions

### Is TraceBot free?

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

### Is Stair Calculator Pro free?

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

### Do TraceBot or Stair Calculator Pro have ads?

Neither TraceBot nor Stair Calculator Pro shows ads.

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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.*