# Prism Surveys vs Lygos

The clearest difference is update cadence: Lygos at every 2 months against Prism Surveys's every 5 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.

Prism Surveys ships an update every 5 months, Lygos every 2 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Prism Surveys | Lygos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 26 MB | 528 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CFS-Europe Ltd](https://appshunter.io/developer/433136681) | [KVNC R&D Software Solutions Limited](https://appshunter.io/developer/1798716681) |

## What reviewers say

### Prism Surveys

[App page](https://appshunter.io/ios/app/prism-surveys/id433136678)

This business application facilitates electronic data capture for enterprises, supporting customer feedback, contract capture, market research, and audits. It offers real-time reporting and customizable forms with advanced logic and validation, deployable across various devices.

**Highlights:** Electronic data capture, Customer feedback collection, Point of sale contract capture, Market research and audits, Real-time data reporting, Customizable forms with branching logic, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Lygos

[App page](https://appshunter.io/ios/app/lygos/id6742497950)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prism Surveys free?

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

### Is Lygos free?

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

### Do Prism Surveys or Lygos have ads?

Neither Prism Surveys nor Lygos shows ads.

### Which is updated more often, Prism Surveys or Lygos?

Prism Surveys ships an update every 5 months, and Lygos every 2 months. Most recently, Prism Surveys was updated on November 6, 2026 and Lygos 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.*