# Pain Squad vs J

The clearest difference is review sentiment: J at 100% against Pain Squad's 50%. J also leads on update cadence (weekly vs every 29 months). Pain Squad's advantage is iOS requirement (9.3 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pain Squad ships an update every 29 months, J weekly. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pain Squad | J |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/j-tip/id1492507545/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Weekly** |
| Monetization | Free | Free |
| Size | 50 MB | 17 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [The Hospital for Sick Children](https://appshunter.io/developer/444728983) | [National Medical Products Inc.](https://appshunter.io/developer/937098057) |

## What reviewers say

### Pain Squad

[App page](https://appshunter.io/ios/app/pain-squad/id929781246)

This app is an electronic pain diary designed for children with cancer, aged 8-18, to track their pain. It gamifies the process of reporting pain intensity, location, and relief methods, allowing users to advance in ranks and share reports with healthcare providers.

**Highlights:** Electronic pain diary, Gamified experience, Pain tracking and reporting, Rank advancement system, Printable pain reports, Reminders for reports

**In-app purchases:** none


### J

[App page](https://appshunter.io/ios/app/j-tip/id1492507545)

This medical system offers a virtually pain-free injection experience, enhancing patient satisfaction. It is utilized by over 400 hospitals and has helped more than 5 million patients. Tutorial videos are available for training, alongside user guides and instructions for use.

**Highlights:** Needle-free injection system, Virtually pain-free procedures, Improves patient satisfaction, Used in 400+ hospitals, Tutorial videos for training, User guide and instructions for use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pain Squad free?

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

### Is J free?

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

### Do Pain Squad or J have ads?

Neither Pain Squad nor J shows ads.

### Which is updated more often, Pain Squad or J?

Pain Squad ships an update every 29 months, and J weekly. Most recently, Pain Squad was updated on October 21, 2026 and J on October 7, 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.*