# Loendur vs Second Brain

The clearest difference is update cadence: Loendur at fortnightly against Second Brain's every 3 months. Second Brain's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Loendur sells 1 one-off in-app purchase and Second Brain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Loendur ships an update fortnightly, Second Brain every 3 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Loendur | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 20 MB | 25 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pastakas](https://appshunter.io/developer/1857196220) | [Selahattin Bozat](https://appshunter.io/developer/1895293163) |

## What reviewers say

### Loendur

[App page](https://appshunter.io/ios/app/loendur-count-anything/id6755906313)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hidden Counters | $2.99 | one-time |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-notes-and-knowledge/id6775839727)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Premium | $9.99 | one-time |


## Frequently asked questions

### Is Loendur free?

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

### Is Second Brain free?

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

### Do Loendur or Second Brain have ads?

Neither Loendur nor Second Brain shows ads.

### Which is updated more often, Loendur or Second Brain?

Loendur ships an update fortnightly, and Second Brain every 3 months. Most recently, Loendur was updated on September 29, 2026 and Second Brain on October 1, 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.*