# Sygma Alert vs RubberSource

The clearest difference is update cadence: RubberSource at every 3 weeks against Sygma Alert's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sygma Alert ships an update every 2 months, RubberSource every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sygma Alert | RubberSource |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 26 MB | 23 MB |
| Requires iOS | 13.0 | **12.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CoreTech s.r.l.](https://appshunter.io/developer/1146811110) | [Avanaire Design, LLC](https://appshunter.io/developer/409628132) |

## What reviewers say

### Sygma Alert

[App page](https://appshunter.io/ios/app/sygma-alert/id6448170711)

**Features:** macOS Compatibility

**In-app purchases:** none


### RubberSource

[App page](https://appshunter.io/ios/app/rubbersource/id6455788482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sygma Alert free?

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

### Is RubberSource free?

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

### Do Sygma Alert or RubberSource have ads?

Neither Sygma Alert nor RubberSource shows ads.

### Which is updated more often, Sygma Alert or RubberSource?

Sygma Alert ships an update every 2 months, and RubberSource every 3 weeks. Most recently, Sygma Alert was updated on November 7, 2026 and RubberSource on October 30, 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.*