# Peptide Calculator vs WellbieRx

Peptide Calculator and WellbieRx are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Peptide Calculator sells 11 in-app purchases, starting at $0.99 per 7 days and WellbieRx sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Calculator ships an update every 2 weeks, WellbieRx weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Peptide Calculator | WellbieRx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (437 ratings)](https://appshunter.io/ios/app/peptide-calculator-pepflow/id6740525224/reviews)** | — |
| Number of ratings | **437** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 133 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [keinois OU](https://appshunter.io/developer/1597616328) | [Lateisha Schmidt](https://appshunter.io/developer/1865300522) |

## What reviewers say

### Peptide Calculator

[App page](https://appshunter.io/ios/app/peptide-calculator-pepflow/id6740525224)

Calculate peptide dosages and reconstitution accurately and quickly. Track your injections with timely reminders and live activities. Save custom formulas and sync across devices for seamless management.

**Highlights:** Peptide dosage calculation, Reconstitution guidance, Injection time tracking, Custom formula saving, Widget for daily doses, Reminders and Live Activities, iCloud sync across devices

**Features:** Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepFlow PRO (Weekly) | $0.99 | per 7 days |
| PepFlow PRO (Monthly) | $2.99 | per month |
| PepFlow PRO (Weekly) | $2.99 | per 7 days |
| Peptide PRO (Weekly) | $2.99 | per 7 days |
| PepFlow PRO (Weekly) | $3.99 | per 7 days |
| PepFlow PRO (Annual) | $8.99 | per year |
| PepFlow PRO (Monthly) | $9.99 | per month |
| Peptide PRO (Annual) | $14.99 | per year |
| Peptide PRO (Annual) | $19.99 | per year |
| PepFlow PRO (Annual) | $29.99 | per year |
| Peptide PRO (Annual) | $44.99 | per year |


### WellbieRx

[App page](https://appshunter.io/ios/app/wellbierx/id6758961810)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Monthly | $0.99 | per month |
| Family Monthly | $4.99 | per month |
| Unlimited Monthly | $8.99 | per month |
| Individual Annual | $9.99 | per year |
| Family Yearly | $49.99 | per year |
| Unlimited Yearly | $89.99 | per year |


## Frequently asked questions

### Is Peptide Calculator free?

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

### Is WellbieRx free?

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

### Do Peptide Calculator or WellbieRx have ads?

Neither Peptide Calculator nor WellbieRx shows ads.

### Which is updated more often, Peptide Calculator or WellbieRx?

Peptide Calculator ships an update every 2 weeks, and WellbieRx weekly. Most recently, Peptide Calculator was updated on October 24, 2026 and WellbieRx on October 25, 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.*