# Flex Mobile App vs Kasper App

The clearest difference is rating: Kasper App at 5.0 against Flex Mobile App's 4.0. Kasper App also leads on review sentiment (100% vs 75%). On price, ratings volume, update cadence and ads there is nothing between them.

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

Kasper App holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 13 and 7 respectively. Written reviews point the same way: 75% of Flex Mobile App's written reviews are positive against 100% of Kasper App's.

Flex Mobile App ships an update monthly, Kasper App every 2 weeks. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Flex Mobile App | Kasper App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (13 ratings)](https://appshunter.io/ios/app/flex-mobile-app/id1508686237/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/kasper-app/id1570238790/reviews)** |
| Number of ratings | **13** | 7 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 55 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Flex Dental Solutions, LLC.](https://appshunter.io/developer/1504306931) | [Kasper corp](https://appshunter.io/developer/1569360184) |

## What reviewers say

### Flex Mobile App

[App page](https://appshunter.io/ios/app/flex-mobile-app/id1508686237)

Manage your dental practice on the go with this app. It provides secure, HIPAA-compliant access to patient text messages and your full schedule, allowing for easy appointment management and patient communication.

**Highlights:** Two-way patient text messaging, Full Open Dental schedule view, Add and edit appointments, HIPAA-compliant security, Multi-location practice support, Staff access management

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

**In-app purchases:** none


### Kasper App

[App page](https://appshunter.io/ios/app/kasper-app/id1570238790)

Streamline your dental practice's front office operations with this all-in-one solution. Manage patient communication, scheduling, forms, and tasks efficiently to improve patient care and reduce administrative burden.

**Highlights:** Voice over IP for remote calling, Paperless patient forms, Task management and alerts, Online patient scheduling, Patient feed and history, Two-way texting, Patient status dashboard, Intra-office chat

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

**In-app purchases:** none


## Frequently asked questions

### Is Flex Mobile App free?

Flex Mobile App is free to download, with no in-app purchases.

### Is Kasper App free?

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

### Which has better reviews, Flex Mobile App or Kasper App?

Kasper App is rated higher. Flex Mobile App averages 4.0 out of 5 from 13 ratings, while Kasper App averages 5.0 from 7 ratings.

### Do Flex Mobile App or Kasper App have ads?

Neither Flex Mobile App nor Kasper App shows ads.

### Which is updated more often, Flex Mobile App or Kasper App?

Flex Mobile App ships an update monthly, and Kasper App every 2 weeks. Most recently, Flex Mobile App was updated on September 6, 2026 and Kasper App on September 21, 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.*