# AcornMeditation vs Synaptic Flow

The clearest difference is ads: AcornMeditation at none against Synaptic Flow's shown. AcornMeditation also leads on update cadence (every 5 months vs every 39 months) and iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AcornMeditation ships an update every 5 months, Synaptic Flow every 39 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AcornMeditation | Synaptic Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 39 months |
| Size | 133 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Canoe LLC](https://appshunter.io/developer/1628260135) | [ZAINAB KICHOU AMANAD](https://appshunter.io/developer/1644291674) |

## What reviewers say

### AcornMeditation

[App page](https://appshunter.io/ios/app/acornmeditation/id1661602603)

**Features:** macOS Compatibility

**In-app purchases:** none


### Synaptic Flow

[App page](https://appshunter.io/ios/app/synaptic-flow-brain-training/id1667108202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AcornMeditation free?

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

### Is Synaptic Flow free?

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

### Do AcornMeditation or Synaptic Flow have ads?

Synaptic Flow shows ads; AcornMeditation does not.

### Which is updated more often, AcornMeditation or Synaptic Flow?

AcornMeditation ships an update every 5 months, and Synaptic Flow every 39 months. Most recently, AcornMeditation was updated on October 4, 2026 and Synaptic Flow on October 8, 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.*