# Luumi vs FlatFlow

The clearest difference is in-app purchases: Luumi at none against FlatFlow's 3. FlatFlow's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. FlatFlow sells 3 in-app purchases, starting at $12.99 per month. Luumi asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Luumi | FlatFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flatflow/id6758531044/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Freemium |
| Size | 19 MB | 45 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Sivak](https://appshunter.io/developer/1827201668) | [Orbit Digital LLC](https://appshunter.io/developer/1873445860) |

## What reviewers say

### Luumi

[App page](https://appshunter.io/ios/app/luumi-shared-living-app/id6748727744)

**In-app purchases:** none


### FlatFlow

[App page](https://appshunter.io/ios/app/flatflow/id6758531044)

This app streamlines shared living by managing household tasks, bills, and communication. It offers features like nudges for reminders, bill splitting, chore scheduling, and a shared shopping list to reduce friction among flatmates.

**Highlights:** Shared bills and expense splitting, Automated chore scheduling and reminders, Real-time laundry status and booking, Household announcements and pinned messages, Maintenance issue tracking, Collaborative shopping list, Integrated household calendar

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlatFlow Plus Monthly | $12.99 | per month |
| FlatFlow Plus Quarterly | $34.99 | per 3 months |
| FlatFlow Plus Yearly | $99.99 | per year |


## Frequently asked questions

### Is Luumi free?

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

### Is FlatFlow free?

FlatFlow is free to download, with in-app purchases available.

### Do Luumi or FlatFlow have ads?

Neither Luumi nor FlatFlow shows ads.

### Which is updated more often, Luumi or FlatFlow?

Luumi ships an update fortnightly, and FlatFlow fortnightly. Most recently, Luumi was updated on October 1, 2026 and FlatFlow on September 23, 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.*