# Survey Diem vs Prediux

The clearest difference is in-app purchases: Survey Diem at none against Prediux's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Prediux sells 2 in-app purchases, starting at $9.99 per month. Survey Diem asks for nothing beyond the download.

Survey Diem ships an update every 3 weeks, Prediux fortnightly. The most recent releases landed on August 2, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Survey Diem | Prediux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/survey-diem/id6508167883/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 41 MB | 72 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ola Surveys LLC](https://appshunter.io/developer/1755402491) | [Roman Zukov](https://appshunter.io/developer/1875746446) |

## What reviewers say

### Survey Diem

[App page](https://appshunter.io/ios/app/survey-diem/id6508167883)

Earn real rewards by sharing your opinions through surveys, polls, and quizzes. This app offers high-paying opportunities and a quick sign-up process, making it easy to start earning in minutes. It's a trusted platform designed to value your time and input.

**Highlights:** High-paying surveys, Quick sign-up, Opinion polls and quizzes, Secure and trusted platform, Industry-leading incentives

**In-app purchases:** none


### Prediux

[App page](https://appshunter.io/ios/app/prediux/id6762255163)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Survey Diem free?

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

### Is Prediux free?

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

### Do Survey Diem or Prediux have ads?

Neither Survey Diem nor Prediux shows ads.

### Which is updated more often, Survey Diem or Prediux?

Survey Diem ships an update every 3 weeks, and Prediux fortnightly. Most recently, Survey Diem was updated on August 2, 2026 and Prediux on September 15, 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.*