# Peptide Calculator vs LSRC

The clearest difference is in-app purchases: LSRC at none against Peptide Calculator's 16. LSRC also leads on iOS requirement (14.0 vs 18.0). Peptide Calculator's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (437 vs 15). On price, rating, ads and device support there is nothing between them.

Both are free to download. Peptide Calculator sells 11 in-app purchases, starting at $0.99 per 7 days. LSRC asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Peptide Calculator against 4.7 for LSRC. That said, the two scores are not equally well evidenced: Peptide Calculator has 437 ratings behind it against 15, so its average is the more settled of the two.

Peptide Calculator ships an update every 2 weeks, LSRC every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Peptide Calculator | LSRC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (437 ratings)](https://appshunter.io/ios/app/peptide-calculator-pepflow/id6740525224/reviews)** | [4.7 (15 ratings)](https://appshunter.io/ios/app/lsrc/id6748633292/reviews) |
| Number of ratings | **437** | 15 |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 133 MB | 57 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [keinois OU](https://appshunter.io/developer/1597616328) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## 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 |


### LSRC

[App page](https://appshunter.io/ios/app/lsrc/id6748633292)

Manage your fitness journey with this app. Book classes, track body measurements, and stay updated on club news. Seamlessly integrate with Apple Health to monitor daily activity and data from wearable devices.

**Highlights:** Book classes online, Track body measurements, Direct contact with club staff, View club news and offers, Refer friends online, Apple Health integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Peptide Calculator free?

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

### Is LSRC free?

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

### Which has better reviews, Peptide Calculator or LSRC?

Peptide Calculator is rated higher. Peptide Calculator averages 4.8 out of 5 from 437 ratings, while LSRC averages 4.7 from 15 ratings.

### Do Peptide Calculator or LSRC have ads?

Neither Peptide Calculator nor LSRC shows ads.

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

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