# Nerveli App vs Certainty

The clearest difference is in-app purchases: Nerveli App at none against Certainty's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Certainty sells 2 in-app purchases, starting at $12.99 per month. Nerveli App asks for nothing beyond the download.

## The numbers

| Metric | Nerveli App | Certainty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/nerveli-app/id6739637214/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 187 MB | 77 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Unicode LLC](https://appshunter.io/developer/1502353210) | [The Ables Inc.](https://appshunter.io/developer/6772387866) |

## What reviewers say

### Nerveli App

[App page](https://appshunter.io/ios/app/nerveli-app/id6739637214)

This science-based wellness app helps individuals manage chronic pain by tracking symptoms and lifestyle factors. It uses AI to identify patterns between pain, sleep, stress, and daily habits, offering educational content and coping tools.

**Highlights:** Body Map pain tracking, AI-assisted pattern insights, Science-informed approach, Educational library on pain management, CBT and mindfulness tools, Personalized guidance

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

**In-app purchases:** none


### Certainty

[App page](https://appshunter.io/ios/app/certainty-wellness/id6772387864)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Certainty Premium | $12.99 | per month |
| Certainty Premium | $69.99 | per year |


## Frequently asked questions

### Is Nerveli App free?

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

### Is Certainty free?

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

### Do Nerveli App or Certainty have ads?

Neither Nerveli App nor Certainty shows ads.

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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.*