# DIACON vs Second Brain Coach

The clearest difference is in-app purchases: DIACON at none against Second Brain Coach's 1. DIACON also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Second Brain Coach sells 1 one-off in-app purchase. DIACON asks for nothing beyond the download.

DIACON ships an update every 12 months, Second Brain Coach every 8 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DIACON | Second Brain Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 8 months** |
| Size | 32 MB | 52 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENLACECODE TECHNOLOGY PRIVATE LIMITED](https://appshunter.io/developer/1520158438) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### DIACON

[App page](https://appshunter.io/ios/app/diacon/id1471552480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Second Brain Coach

[App page](https://appshunter.io/ios/app/second-brain-coach/id6740693044)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GOLD-plus FULL MEMBERSHIP | $0.99 | one-time |


## Frequently asked questions

### Is DIACON free?

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

### Is Second Brain Coach free?

Second Brain Coach is free to download, with in-app purchases available.

### Do DIACON or Second Brain Coach have ads?

Neither DIACON nor Second Brain Coach shows ads.

### Which is updated more often, DIACON or Second Brain Coach?

DIACON ships an update every 12 months, and Second Brain Coach every 8 months. Most recently, DIACON was updated on October 11, 2026 and Second Brain Coach on October 7, 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.*