# Calysta Pro vs Nject

The clearest difference is price: Calysta Pro at Free against Nject's $4.99. Calysta Pro also leads on rating (5.0 vs 4.0) and iOS requirement (11.0 vs 15.1). Nject's advantage is in-app purchases (none vs 1) and ratings volume (126 vs 1). On update cadence, ads, monetization model and device support there is nothing between them.

Calysta Pro is free to download; Nject costs $4.99 up front. Calysta Pro sells 1 one-off in-app purchase. Nject asks for nothing beyond the download.

Calysta Pro holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Nject has 126 ratings behind it against 1, so its average is the more settled of the two.

Calysta Pro ships an update every 2 months, Nject every 6 weeks. The most recent releases landed on September 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Calysta Pro | Nject |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calysta-pro/id1608027976/reviews)** | [4.0 (126 ratings)](https://appshunter.io/ios/app/nject/id1620565745/reviews) |
| Number of ratings | 1 | **126** |
| Positive reviews | — | 57.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#6** |
| Size | 47 MB | 68 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Face Online Store LLC](https://appshunter.io/developer/1608027978) | [Keaton Benning, LLC](https://appshunter.io/developer/1692217678) |

## What reviewers say

### Calysta Pro

[App page](https://appshunter.io/ios/app/calysta-pro/id1608027976)

Streamline aesthetic medical practices with this intuitive electronic medical records app. Manage patient information, schedule appointments, handle billing, and capture before/after photos on the go. Designed by healthcare experts for efficient patient care and practice optimization.

**Highlights:** Clinical documentation, Scheduling, Billing, Patient photo management, HIPAA-compliant cloud server, On-screen photo templates, Digital consent forms

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Calysta Pro | $0.99 | one-time |


### Nject

[App page](https://appshunter.io/ios/app/nject/id1620565745)

**Currently charting:** #6 Top Paid · Medical, #140 Top Paid (US App Store)

This app serves as a comprehensive resource for aesthetic professionals. It offers tools for dilution calculations, facilitates partnerships, and provides a live forum with experts. Users can also find assistance with vascular occlusion and access other valuable information.

**Highlights:** Dilution Calculators, Partnership Facilitation, Live Expert Forum, Vascular Occlusion Help

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

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly and simple interface
- 🎯 Accurate dosing calculations for toxin injections
- 📱 Visual syringe markings aid learning
- 🚀 Quick and efficient dosage conversions
- 💬 Responsive developer addressing user feedback

**What reviewers complain about**

- 🐛 App crashes when selecting syringes
- 🐛 Syringe dropdown menu shows 'no data' or won't populate
- 🐛 Screen doesn't scroll to access calculate button
- 🐛 Force closing on multiple devices
- ❌ Limited syringe options available

**Reported bugs**

- App crashes when selecting syringe option
- Syringe dropdown menu fails to load options
- Screen doesn't scroll to reveal calculate button after data entry
- Force closing on both iOS and Android devices
- Stuck on single medication screen (Semaglutide) with no navigation

**Requested features**

- Add Comfortox 0.5mL syringe option
- Add TB (tuberculin) syringe options
- Add allergen/product selection dropdown (Botox, Dysport, Azzalure, etc.)
- Visual indicator showing exact pull location on syringe for specific units
- Support for mg/mL dosing (for Semaglutide, tirzepatide, compounded medications)


## Frequently asked questions

### Is Calysta Pro free?

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

### Is Nject free?

Nject costs $4.99, with no in-app purchases.

### Which has better reviews, Calysta Pro or Nject?

Calysta Pro is rated higher. Calysta Pro averages 5.0 out of 5 from 1 ratings, while Nject averages 4.0 from 126 ratings.

### Do Calysta Pro or Nject have ads?

Neither Calysta Pro nor Nject shows ads.

### Which is updated more often, Calysta Pro or Nject?

Calysta Pro ships an update every 2 months, and Nject every 6 weeks. Most recently, Calysta Pro was updated on September 23, 2026 and Nject on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*