# InverFlow vs Client Session Tracker

The clearest difference is rating: Client Session Tracker at 5.0 against InverFlow's 2.3. Client Session Tracker also leads on update cadence (every 9 days vs every 23 months). InverFlow's advantage is in-app purchases (none vs 3) and ratings volume (3 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Client Session Tracker sells 3 in-app purchases, starting at $2.99 per month. InverFlow asks for nothing beyond the download.

Client Session Tracker holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

InverFlow ships an update every 23 months, Client Session Tracker every 9 days. The most recent releases landed on September 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | InverFlow | Client Session Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/inverflow/id1600378128/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/client-session-tracker/id6766453138/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 201 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [彬 陈](https://appshunter.io/developer/1497463954) | [小豪 黄](https://appshunter.io/developer/1894800860) |

## What reviewers say

### InverFlow

[App page](https://appshunter.io/ios/app/inverflow/id1600378128)

Control your pool pump remotely and manage its settings. Select AI or manual modes, adjust running speed and flow rate, and set timers for automated operation. Compatible with other pool devices.

**Highlights:** Remote pump control, AI/MI mode selection, Running speed adjustment, Flow rate setting, Timer functionality, Pool device compatibility

**In-app purchases:** none


### Client Session Tracker

[App page](https://appshunter.io/ios/app/client-session-tracker/id6766453138)

This app helps personal trainers streamline client management, session tracking, and appointment scheduling. It offers a simple interface to manage client profiles, session packages, and bookings, with automatic session deduction and iCloud syncing. A free plan is available with limitations, and a Pro upgrade offers unlimited clients and full sync.

**Highlights:** Client profile management, Session package creation, Automatic session deduction, Booking calendar, iCloud sync, Privacy-focused local storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trainer Schedule Pro | $2.99 | per month |
| Trainer Schedule Pro | $14.99 | per year |
| Client Session Tracker Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is InverFlow free?

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

### Is Client Session Tracker free?

Client Session Tracker is free to download, with in-app purchases available.

### Which has better reviews, InverFlow or Client Session Tracker?

Client Session Tracker is rated higher. InverFlow averages 2.3 out of 5 from 3 ratings, while Client Session Tracker averages 5.0 from 1 ratings.

### Do InverFlow or Client Session Tracker have ads?

Neither InverFlow nor Client Session Tracker shows ads.

### Which is updated more often, InverFlow or Client Session Tracker?

InverFlow ships an update every 23 months, and Client Session Tracker every 9 days. Most recently, InverFlow was updated on September 15, 2026 and Client Session Tracker on September 13, 2026.

---

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