# Robosay vs Sereni Core

The clearest difference is in-app purchases: Robosay 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. Robosay asks for nothing beyond the download.

Robosay ships an update every 3 months, Sereni Core fortnightly. The most recent releases landed on September 27, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Robosay | Sereni Core |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 20 MB | 86 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROBO YAPAY ZEKA YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/1676312030) | [Shenzhen Zhongxinlong Semiconductor Co., Ltd.](https://appshunter.io/developer/1675185952) |

## What reviewers say

### Robosay

[App page](https://appshunter.io/ios/app/robosay/id6446150573)

**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 Robosay free?

Robosay 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 Robosay or Sereni Core have ads?

Neither Robosay nor Sereni Core shows ads.

### Which is updated more often, Robosay or Sereni Core?

Robosay ships an update every 3 months, and Sereni Core fortnightly. Most recently, Robosay was updated on September 27, 2026 and Sereni Core on October 2, 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.*