# Smart2Box vs Pain

The clearest difference is in-app purchases: Pain at none against Smart2Box's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart2Box sells 3 in-app purchases, starting at $9.99 per month. Pain asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Smart2Box | Pain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pain-free-back/id6714471871/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 90 MB | 88 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NB Philosophy Ltd](https://appshunter.io/developer/1705412657) | [PAIN FREE BACK LIMITED](https://appshunter.io/developer/1770265483) |

## What reviewers say

### Smart2Box

[App page](https://appshunter.io/ios/app/smart2box/id6464063118)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $9.99 | per month |
| Subscription | $14.99 | per month |
| Subscription | $19.99 | per month |


### Pain

[App page](https://appshunter.io/ios/app/pain-free-back/id6714471871)

This app provides a personalized and holistic approach to overcoming chronic back pain. It offers tailored exercise routines, mental training techniques, and lifestyle tips to help users achieve long-lasting relief and regain mobility.

**Highlights:** Comprehensive pain relief for various conditions, Customized exercise plans, Mental training for pain alleviation, Evidence-based solutions, Holistic approach with posture and lifestyle tips, Ongoing support and community

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart2Box free?

Smart2Box is free to download, with in-app purchases available.

### Is Pain free?

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

### Do Smart2Box or Pain have ads?

Both Smart2Box and Pain show ads.

### Which is updated more often, Smart2Box or Pain?

Smart2Box ships an update every 3 months, and Pain every 3 months. Most recently, Smart2Box was updated on October 13, 2026 and Pain on October 12, 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.*