# Flow Chiropractic vs PROVAI

Flow Chiropractic and PROVAI 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.

Flow Chiropractic ships an update every 3 weeks, PROVAI every 2 weeks. The most recent releases landed on September 5, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Flow Chiropractic | PROVAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 102 MB | 18 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Flow Chiropractic](https://appshunter.io/developer/1727276770) | [PROVAI Uitzendbureau B.V.](https://appshunter.io/developer/1809796696) |

## What reviewers say

### Flow Chiropractic

[App page](https://appshunter.io/ios/app/flow-chiropractic/id6476594588)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### PROVAI

[App page](https://appshunter.io/ios/app/provai/id6744895787)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow Chiropractic free?

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

### Is PROVAI free?

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

### Do Flow Chiropractic or PROVAI have ads?

Neither Flow Chiropractic nor PROVAI shows ads.

### Which is updated more often, Flow Chiropractic or PROVAI?

Flow Chiropractic ships an update every 3 weeks, and PROVAI every 2 weeks. Most recently, Flow Chiropractic was updated on September 5, 2026 and PROVAI on August 31, 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.*