# Development Toolboxx vs LetsUnwind

The clearest difference is price: LetsUnwind at Free against Development Toolboxx's $12.99. Development Toolboxx's advantage is in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

LetsUnwind is free to download; Development Toolboxx costs $12.99 up front. LetsUnwind sells 1 one-off in-app purchase. Development Toolboxx asks for nothing beyond the download.

Development Toolboxx ships an update every 5 weeks, LetsUnwind every 4 months. The most recent releases landed on July 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Development Toolboxx | LetsUnwind |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 129 MB | 52 MB |
| Requires iOS | **14.0.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bianca Adamas](https://appshunter.io/developer/1811490738) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### Development Toolboxx

[App page](https://appshunter.io/ios/app/development-toolboxx/id6745240094)

**Features:** macOS Compatibility

**In-app purchases:** none


### LetsUnwind

[App page](https://appshunter.io/ios/app/letsunwind-courses-and-workshops/id6746702202)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anxiety To Peace 1.0 | $49.99 | one-time |


## Frequently asked questions

### Is Development Toolboxx free?

Development Toolboxx costs $12.99, with no in-app purchases.

### Is LetsUnwind free?

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

### Do Development Toolboxx or LetsUnwind have ads?

Neither Development Toolboxx nor LetsUnwind shows ads.

### Which is updated more often, Development Toolboxx or LetsUnwind?

Development Toolboxx ships an update every 5 weeks, and LetsUnwind every 4 months. Most recently, Development Toolboxx was updated on July 6, 2026 and LetsUnwind on October 20, 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.*