# Blue Charm vs ResearchAlly

The clearest difference is update cadence: ResearchAlly at fortnightly against Blue Charm's every 2 months. ResearchAlly also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Blue Charm ships an update every 2 months, ResearchAlly fortnightly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Blue Charm | ResearchAlly |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 84.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 43 MB | 90 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Blue Charm Adherence Inc.](https://appshunter.io/developer/1565813316) | [ResearchAlly Ltd](https://appshunter.io/developer/1810034246) |

## What reviewers say

### Blue Charm

[App page](https://appshunter.io/ios/app/blue-charm/id1565813134)

This app helps patients with chronic illnesses manage their medication adherence. It offers learning modules and surveys to keep users engaged with their health, providing rewards for participation and contributing to medical research.

**Highlights:** Medication adherence support, Learning modules for patients, Health engagement surveys, Earn rewards for participation, Contribute to medical research, Connect with healthcare providers

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ResearchAlly

[App page](https://appshunter.io/ios/app/researchally/id6744940387)

**In-app purchases:** none


## Frequently asked questions

### Is Blue Charm free?

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

### Is ResearchAlly free?

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

### Do Blue Charm or ResearchAlly have ads?

Neither Blue Charm nor ResearchAlly shows ads.

### Which is updated more often, Blue Charm or ResearchAlly?

Blue Charm ships an update every 2 months, and ResearchAlly fortnightly. Most recently, Blue Charm was updated on October 24, 2026 and ResearchAlly 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.*