# Build Systems vs FlowLock

The clearest difference is price: FlowLock at Free against Build Systems's $7.99. FlowLock also leads on iOS requirement (15.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

FlowLock is free to download; Build Systems costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Build Systems | FlowLock |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/flowlock/id6774933420/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | — | Free |
| Size | 12 MB | 2 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ashish Chandra](https://appshunter.io/developer/1843907932) | [Thomas Shaw](https://appshunter.io/developer/6774933422) |

## What reviewers say

### Build Systems

[App page](https://appshunter.io/ios/app/build-systems/id6754289812)

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

**In-app purchases:** none


### FlowLock

[App page](https://appshunter.io/ios/app/flowlock/id6774933420)

Enhance your concentration by blocking distracting websites within Safari. Initiate focus sessions to prevent access to social media and video platforms. A special Tunnel Mode allows viewing specific content from blocked sites without enabling further browsing.

**Highlights:** Block distracting websites in Safari, Initiate focus sessions, Tunnel Mode for specific content viewing, Prevent access to social media and video sites

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

**In-app purchases:** none


## Frequently asked questions

### Is Build Systems free?

Build Systems costs $7.99, with no in-app purchases.

### Is FlowLock free?

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

### Do Build Systems or FlowLock have ads?

Neither Build Systems nor FlowLock shows ads.

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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.*