# novaalert 11 vs Sereni Core

The clearest difference is in-app purchases: novaalert 11 at none against Sereni Core's 4. Sereni Core's advantage is update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sereni Core sells 4 one-off in-app purchases. novaalert 11 asks for nothing beyond the download.

novaalert 11 ships an update every 3 months, Sereni Core fortnightly. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | novaalert 11 | Sereni Core |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 324 MB | 86 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NovaLink GmbH](https://appshunter.io/developer/588964083) | [Shenzhen Zhongxinlong Semiconductor Co., Ltd.](https://appshunter.io/developer/1675185952) |

## What reviewers say

### novaalert 11

[App page](https://appshunter.io/ios/app/novaalert-11/id1450266876)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sereni Core

[App page](https://appshunter.io/ios/app/sereni-core/id6754582960)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASR service: 120 minutes | $2.99 | one-time |
| ASR service: 600 minutes | $8.99 | one-time |
| ASR service: 3000 minutes | $29.99 | one-time |
| ASR service: 6000 minutes | $49.99 | one-time |


## Frequently asked questions

### Is novaalert 11 free?

novaalert 11 is free to download, with no in-app purchases.

### Is Sereni Core free?

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

### Do novaalert 11 or Sereni Core have ads?

Neither novaalert 11 nor Sereni Core shows ads.

### Which is updated more often, novaalert 11 or Sereni Core?

novaalert 11 ships an update every 3 months, and Sereni Core fortnightly. Most recently, novaalert 11 was updated on October 11, 2026 and Sereni Core on October 19, 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.*