# Survey Diem vs RewardExpress

The clearest difference is ads: Survey Diem at none against RewardExpress's shown. Survey Diem also leads on monetization model (free vs ad-supported) and ratings volume (7 vs 1). RewardExpress's advantage is review sentiment (100% vs 83%). On price, rating, update cadence and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Survey Diem against 5.0 for RewardExpress. That said, the two scores are not equally well evidenced: Survey Diem has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 83% of Survey Diem's written reviews are positive against 100% of RewardExpress's.

Survey Diem ships an update every 3 weeks, RewardExpress monthly. The most recent releases landed on August 2, 2026 and May 24, 2026 respectively.

## The numbers

| Metric | Survey Diem | RewardExpress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/survey-diem/id6508167883/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/rewardexpress/id6642685265/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 41 MB | 43 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Ola Surveys LLC](https://appshunter.io/developer/1755402491) | [Abhishek Kumar](https://appshunter.io/developer/1763544249) |

## 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


### RewardExpress

[App page](https://appshunter.io/ios/app/rewardexpress/id6642685265)

Earn rewards for your everyday spending, including shopping and bills. Participate in surveys, get free product samples, and refer friends for lifetime earnings. Redeem rewards for gift cards, PayPal, or crypto.

**Highlights:** Rewards for shopping and bills, Free sample products, Surveys from multiple networks, Gift card and PayPal redemption, Crypto redemption, Referral program with lifetime earnings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Survey Diem free?

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

### Is RewardExpress free?

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

### Which has better reviews, Survey Diem or RewardExpress?

Survey Diem and RewardExpress are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Survey Diem or RewardExpress have ads?

RewardExpress shows ads; Survey Diem does not.

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

Survey Diem ships an update every 3 weeks, and RewardExpress monthly. Most recently, Survey Diem was updated on August 2, 2026 and RewardExpress on May 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.*