# Flowtree vs Lab9 OS

Flowtree and Lab9 OS 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. Neither carries in-app purchases, so what you see is what you pay.

Flowtree ships an update every 6 weeks, Lab9 OS every 3 weeks. The most recent releases landed on September 18, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Flowtree | Lab9 OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lab9-os/id6470302676/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 295 MB | 336 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Flowtree Cloud Solutions LTD.](https://appshunter.io/developer/1695521427) | [Lab9 OS](https://appshunter.io/developer/1713365555) |

## What reviewers say

### Flowtree

[App page](https://appshunter.io/ios/app/flowtree/id6450884139)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Lab9 OS

[App page](https://appshunter.io/ios/app/lab9-os/id6470302676)

This app is a comprehensive business operating system designed to unify various business management functions into a single platform. It offers unified messaging across multiple channels, automated client review collection, secure payment processing, and appointment scheduling.

**Highlights:** Unified business operations, Multi-channel messaging (SMS, email, social), Automated client review collection, Secure payment processing, Appointment scheduling, Business analytics

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

**In-app purchases:** none


## Frequently asked questions

### Is Flowtree free?

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

### Is Lab9 OS free?

Lab9 OS is free to download, with no in-app purchases.

### Do Flowtree or Lab9 OS have ads?

Neither Flowtree nor Lab9 OS shows ads.

### Which is updated more often, Flowtree or Lab9 OS?

Flowtree ships an update every 6 weeks, and Lab9 OS every 3 weeks. Most recently, Flowtree was updated on September 18, 2026 and Lab9 OS on September 1, 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.*