# Evidation vs iSpruz

The clearest difference is rating: Evidation at 4.6 against iSpruz's 2.2. Evidation also leads on review sentiment (50% vs 20%) and update cadence (every 3 days vs monthly). iSpruz's advantage is iOS requirement (13.0 vs 16.4). 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.

Evidation holds the better App Store score, 4.6 against 2.2. That said, the two scores are not equally well evidenced: Evidation has 29K ratings behind it against 38, 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 20% of iSpruz's.

Evidation ships an update every 3 days, iSpruz monthly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Evidation | iSpruz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (29K ratings)](https://appshunter.io/ios/app/evidation/id793039965/reviews)** | [2.2 (38 ratings)](https://appshunter.io/ios/app/ispruz/id1587304351/reviews) |
| Number of ratings | **29K** | 38 |
| Positive reviews | **50.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free | Free |
| Size | 74 MB | 250 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Evidation Health, Inc.](https://appshunter.io/developer/793039968) | [HARVEST INNOVATION TECHNOLOGY LIMITED](https://appshunter.io/developer/1637588999) |

## 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


### iSpruz

[App page](https://appshunter.io/ios/app/ispruz/id1587304351)

This app acts as a personal oral care assistant, guiding users through a comprehensive, scientific, and personalized tooth cleaning experience. It offers visual brushing guidance and detailed reports to help develop better oral hygiene habits.

**Highlights:** Visual brushing service, Real-time guidance, Personalized key area identification, Targeted tooth guard, Brushing report details, Oral health promotion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Evidation free?

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

### Is iSpruz free?

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

### Which has better reviews, Evidation or iSpruz?

Evidation is rated higher. Evidation averages 4.6 out of 5 from 29K ratings, while iSpruz averages 2.2 from 38 ratings.

### Do Evidation or iSpruz have ads?

Neither Evidation nor iSpruz shows ads.

### Which is updated more often, Evidation or iSpruz?

Evidation ships an update every 3 days, and iSpruz monthly. Most recently, Evidation was updated on October 17, 2026 and iSpruz on October 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.*