# Sweet Flow vs PopBlox

The clearest difference is in-app purchases: PopBlox at none against Sweet Flow's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sweet Flow sells 1 one-off in-app purchase. PopBlox asks for nothing beyond the download.

Sweet Flow ships an update weekly, PopBlox every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sweet Flow | PopBlox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 160 MB | 116 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Tim Nguyen](https://appshunter.io/developer/1820447746) | [Guy Liberman](https://appshunter.io/developer/1889627411) |

## What reviewers say

### Sweet Flow

[App page](https://appshunter.io/ios/app/sweet-flow-train-your-mind/id6747261889)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $2.99 | one-time |


### PopBlox

[App page](https://appshunter.io/ios/app/popblox/id6761439501)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sweet Flow free?

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

### Is PopBlox free?

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

### Do Sweet Flow or PopBlox have ads?

Both Sweet Flow and PopBlox show ads.

### Which is updated more often, Sweet Flow or PopBlox?

Sweet Flow ships an update weekly, and PopBlox every 4 days. Most recently, Sweet Flow was updated on October 30, 2026 and PopBlox on October 25, 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.*