# Stacks vs FlowState

The clearest difference is in-app purchases: Stacks at none against FlowState's 3. Stacks also leads on ads (none vs shown). FlowState's advantage is update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. FlowState sells 3 in-app purchases, starting at $4.99 per 7 days. Stacks asks for nothing beyond the download.

Stacks ships an update every 4 months, FlowState every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Stacks | FlowState |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stacks-save-and-share-anything/id6757166261/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 99 MB | 21 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Derainged LLC](https://appshunter.io/developer/1219716217) | [Flock Technologies Incorporated](https://appshunter.io/developer/1844773388) |

## What reviewers say

### Stacks

[App page](https://appshunter.io/ios/app/stacks-save-and-share-anything/id6757166261)

Organize and share moments, ideas, and lists with others. Create private or shared collections for anything from restaurants to trip plans, and collaborate with friends and family by adding photos, links, and places.

**Highlights:** Create private or shared stacks, Add photos, videos, text, links, and places, Organize lists, plans, recommendations, and memories, Collaborate with friends and family, React, comment, and keep ideas moving, Quickly save content into the right stack

**Features:** macOS Compatibility

**In-app purchases:** none


### FlowState

[App page](https://appshunter.io/ios/app/flowstate-adhd-focus-and-tasks/id6766418779)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlowState Pro | $4.99 | per 7 days |
| FlowState Pro | $14.99 | per month |
| FlowState Pro | $59.99 | per year |


## Frequently asked questions

### Is Stacks free?

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

### Is FlowState free?

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

### Do Stacks or FlowState have ads?

FlowState shows ads; Stacks does not.

### Which is updated more often, Stacks or FlowState?

Stacks ships an update every 4 months, and FlowState every 3 weeks. Most recently, Stacks was updated on October 31, 2026 and FlowState on October 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.*