# Transform Text App vs Compound Calculator

The clearest difference is price: Transform Text App at Free against Compound Calculator's $0.99. Transform Text App also leads on in-app purchases (none vs 3). Compound Calculator's advantage is update cadence (every 5 days vs every 8 months). On ads, device support and iOS requirement there is nothing between them.

Transform Text App is free to download; Compound Calculator costs $0.99 up front. Compound Calculator sells 3 in-app purchases, starting at $2.99 per month. Transform Text App asks for nothing beyond the download.

Transform Text App ships an update every 8 months, Compound Calculator every 5 days. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Transform Text App | Compound Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/transform-text-app/id1017056574/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OH BOY Labs, LLC](https://appshunter.io/developer/860910239) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### Transform Text App

[App page](https://appshunter.io/ios/app/transform-text-app/id1017056574)

This app offers a suite of tools to quickly modify text. Convert to uppercase, lowercase, mixed case, remove spaces, and spell out numbers. Its simple interface streamlines text editing for various users.

**Highlights:** Uppercase & Lowercase Conversion, Mixed Case Formatting, Numbers to Words Conversion, Sentence Case, Remove Spaces, URL Friendly Text

**Features:** macOS Compatibility

**In-app purchases:** none


### Compound Calculator

[App page](https://appshunter.io/ios/app/compound-calculator-lite/id6749442265)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compound Calculator - Pro 30days | $2.99 | per month |
| Compound Calculator - Pro 360days | $14.99 | per year |
| Compound Calculator Pro - lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Transform Text App free?

Transform Text App is free to download, with no in-app purchases.

### Is Compound Calculator free?

Compound Calculator costs $0.99, and also offers in-app purchases.

### Do Transform Text App or Compound Calculator have ads?

Neither Transform Text App nor Compound Calculator shows ads.

### Which is updated more often, Transform Text App or Compound Calculator?

Transform Text App ships an update every 8 months, and Compound Calculator every 5 days. Most recently, Transform Text App was updated on October 3, 2026 and Compound Calculator on October 10, 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.*