# September+ vs issb

The clearest difference is in-app purchases: issb at none against September+'s 3. issb also leads on ads (none vs shown) and update cadence (every 6 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. September+ sells 3 in-app purchases, starting at $9.99 per month. issb asks for nothing beyond the download.

September+ ships an update fortnightly, issb every 6 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | September+ | issb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 26 MB | 39 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bahadir Yasar](https://appshunter.io/developer/1858407892) | [MEDIPOL BILISIM TEKNOLOJI ARASTIRMA MERKEZI ANONIM SIRKETI](https://appshunter.io/developer/1581970585) |

## What reviewers say

### September+

[App page](https://appshunter.io/ios/app/september-plus/id6756084340)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $9.99 | per month |
| Plus Monthly | $19.99 | per month |
| Pro Monthly | $29.99 | per month |


### issb

[App page](https://appshunter.io/ios/app/issb/id6758996200)

**In-app purchases:** none


## Frequently asked questions

### Is September+ free?

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

### Is issb free?

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

### Do September+ or issb have ads?

September+ shows ads; issb does not.

### Which is updated more often, September+ or issb?

September+ ships an update fortnightly, and issb every 6 days. Most recently, September+ was updated on October 6, 2026 and issb 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.*