# Primary vs PeriCal

The clearest difference is in-app purchases: PeriCal at none against Primary's 7. PeriCal also leads on device support (3 vs 1). Primary's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Primary sells 7 in-app purchases, starting at $9.99 per month. PeriCal asks for nothing beyond the download.

Primary ships an update every 9 days, PeriCal every 3 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Primary | PeriCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/primary-fitness-programs/id6740557020/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 197 MB | 28 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 9+ |
| Developer | [78Health Corp](https://appshunter.io/developer/1790604665) | [Michelle Le Grand](https://appshunter.io/developer/1887356966) |

## What reviewers say

### Primary

[App page](https://appshunter.io/ios/app/primary-fitness-programs/id6740557020)

This app offers AI-powered, physician-designed health programs for personalized daily action plans. It tracks your progress and biomarkers, consolidating health data for a 360-degree wellness view. Connect wearables and upload labs to receive tailored guidance for various health goals.

**Highlights:** AI-powered personalized health programs, Physician-designed daily action plans, Biomarker and adherence tracking, Consolidated health data profile, Integration with Apple Health and wearables, Lab result and medication history storage, Menstrual cycle monitoring

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Primary Plus Monthly Plan | $9.99 | per month |
| Primary Program Monthly | $14.99 | per month |
| Primary Plus | $59.99 | per year |
| Health program Tier 3 | $14.99 | one-time |
| Health program Tier 1 | $29.99 | one-time |
| Health program Tier 2 | $49.99 | one-time |
| Health program Tier 4 | $99.99 | one-time |


### PeriCal

[App page](https://appshunter.io/ios/app/perical/id6761573546)

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

**In-app purchases:** none


## Frequently asked questions

### Is Primary free?

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

### Is PeriCal free?

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

### Do Primary or PeriCal have ads?

Neither Primary nor PeriCal shows ads.

### Which is updated more often, Primary or PeriCal?

Primary ships an update every 9 days, and PeriCal every 3 weeks. Most recently, Primary was updated on October 24, 2026 and PeriCal on October 19, 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.*