# Stepper Motor Calculator vs RedeemCode

The clearest difference is price: RedeemCode at Free against Stepper Motor Calculator's $2.99. RedeemCode also leads on update cadence (every 10 days vs every 32 months) and device support (5 vs 3). Stepper Motor Calculator's advantage is in-app purchases (none vs 3) and iOS requirement (13 vs 26.0). On ads there is nothing between them.

RedeemCode is free to download; Stepper Motor Calculator costs $2.99 up front. RedeemCode sells 3 in-app purchases, starting at $1.99 per month. Stepper Motor Calculator asks for nothing beyond the download.

Stepper Motor Calculator ships an update every 32 months, RedeemCode every 10 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stepper Motor Calculator | RedeemCode |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 10 days** |
| Size | 1 MB | 233 MB |
| Requires iOS | **13** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Hangzhou Everything Curious Technology Co., Ltd](https://appshunter.io/developer/1505718510) |

## What reviewers say

### Stepper Motor Calculator

[App page](https://appshunter.io/ios/app/stepper-motor-calculator/id1367815636)

**Features:** macOS Compatibility

**In-app purchases:** none


### RedeemCode

[App page](https://appshunter.io/ios/app/redeemcode-promo-code-manager/id6743789699)

**Features:** Family Sharing, Apple Wallet, Apple Watch app, iMessage stickers

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedeemCode Pro Monthly | $1.99 | per month |
| RedeemCode Pro Yearly | $9.99 | per year |
| RedeemCode Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Stepper Motor Calculator free?

Stepper Motor Calculator costs $2.99, with no in-app purchases.

### Is RedeemCode free?

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

### Do Stepper Motor Calculator or RedeemCode have ads?

Neither Stepper Motor Calculator nor RedeemCode shows ads.

### Which is updated more often, Stepper Motor Calculator or RedeemCode?

Stepper Motor Calculator ships an update every 32 months, and RedeemCode every 10 days. Most recently, Stepper Motor Calculator was updated on October 15, 2026 and RedeemCode on October 24, 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.*