# LockFlow vs AppStack

The clearest difference is update cadence: AppStack at every 5 days against LockFlow's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LockFlow sells 2 in-app purchases, starting at $4.99 per month and AppStack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LockFlow ships an update every 3 weeks, AppStack every 5 days. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | LockFlow | AppStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 22 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [成 程](https://appshunter.io/developer/1691480741) | [Jean-Marc Lai](https://appshunter.io/developer/1896575110) |

## What reviewers say

### LockFlow

[App page](https://appshunter.io/ios/app/lockflow-earn-and-grant/id6670245301)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Annual Plan | $44.99 | per year |


### AppStack

[App page](https://appshunter.io/ios/app/appstack-pics-and-apps/id6768460171)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Stack Pro | $2.99 | one-time |


## Frequently asked questions

### Is LockFlow free?

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

### Is AppStack free?

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

### Do LockFlow or AppStack have ads?

Neither LockFlow nor AppStack shows ads.

### Which is updated more often, LockFlow or AppStack?

LockFlow ships an update every 3 weeks, and AppStack every 5 days. Most recently, LockFlow was updated on October 7, 2026 and AppStack on October 13, 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.*