# SIGA vs LiteSurvey Pro

The clearest difference is update cadence: LiteSurvey Pro at every 2 weeks against SIGA's every 4 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.

SIGA ships an update every 4 months, LiteSurvey Pro every 2 weeks. The most recent releases landed on September 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SIGA | LiteSurvey Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 29 MB | 126 MB |
| Requires iOS | **15.1** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Envision Inversiones Limitada](https://appshunter.io/developer/1481643562) | [Woncan (Hong Kong) Limited](https://appshunter.io/developer/1801387251) |

## What reviewers say

### SIGA

[App page](https://appshunter.io/ios/app/siga-pass/id6475899042)

**Features:** macOS Compatibility

**In-app purchases:** none


### LiteSurvey Pro

[App page](https://appshunter.io/ios/app/litesurvey-pro/id6503436604)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SIGA free?

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

### Is LiteSurvey Pro free?

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

### Do SIGA or LiteSurvey Pro have ads?

Neither SIGA nor LiteSurvey Pro shows ads.

### Which is updated more often, SIGA or LiteSurvey Pro?

SIGA ships an update every 4 months, and LiteSurvey Pro every 2 weeks. Most recently, SIGA was updated on September 26, 2026 and LiteSurvey Pro on October 24, 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.*