# Evidation vs ehive Studies

The clearest difference is review sentiment: ehive Studies at 100% against Evidation's 50%. ehive Studies also leads on rating (5.0 vs 4.6). Evidation's advantage is update cadence (every 3 days vs monthly) and ratings volume (29K vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ehive Studies holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Evidation has 29K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Evidation's written reviews are positive against 100% of ehive Studies's.

Evidation ships an update every 3 days, ehive Studies monthly. The most recent releases landed on September 28, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Evidation | ehive Studies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (29K ratings)](https://appshunter.io/ios/app/evidation/id793039965/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ehive-studies/id1536952138/reviews)** |
| Number of ratings | **29K** | 6 |
| Positive reviews | 50.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free | Free |
| Size | 74 MB | 38 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Evidation Health, Inc.](https://appshunter.io/developer/793039968) | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) |

## What reviewers say

### Evidation

[App page](https://appshunter.io/ios/app/evidation/id793039965)

Earn rewards for healthy actions like walking and exercising. Contribute to medical research by securely sharing your health data. Track your progress and sync with popular fitness apps and wearables.

**Highlights:** Earn rewards for health actions, Participate in health research, Track and sync health data, Personalized health insights, Health dashboard, Answer health surveys

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💰 Earn money for healthy activities
- 📊 Tracks various health metrics
- 🤝 Helps with medical research
- 🏅 Motivates users to be more active

**What reviewers complain about**

- 🐢 Slow points accumulation
- 🔍 Inaccurate sync with fitness apps
- 🤖 Poor customer service
- 🤷‍♀️ Confusing point system changes

**Reported bugs**

- Missing activity data
- Inconsistent point calculations
- Login and sign-out issues

**Requested features**

- More frequent reward payouts
- Improved app syncing and data accuracy
- Expanded survey and study opportunities
- Customizable point tracking and goals


### ehive Studies

[App page](https://appshunter.io/ios/app/ehive-studies/id1536952138)

Participate in digital health studies to help researchers understand disease causes. Activities include watching videos, answering questions, and syncing wearable device data. All studies are approved by a human subjects protection program.

**Highlights:** Participate in digital health studies, Watch study-related videos, Answer daily health questions, Connect wearable devices, Sync activity and heart data, Contribute to disease research

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Evidation free?

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

### Is ehive Studies free?

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

### Which has better reviews, Evidation or ehive Studies?

ehive Studies is rated higher. Evidation averages 4.6 out of 5 from 29K ratings, while ehive Studies averages 5.0 from 6 ratings.

### Do Evidation or ehive Studies have ads?

Neither Evidation nor ehive Studies shows ads.

### Which is updated more often, Evidation or ehive Studies?

Evidation ships an update every 3 days, and ehive Studies monthly. Most recently, Evidation was updated on September 28, 2026 and ehive Studies on September 9, 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.*