# Curebase vs Aviva

The clearest difference is rating: Curebase at 5.0 against Aviva's 4.5. Curebase also leads on iOS requirement (13.0 vs 15.1). Aviva's advantage is update cadence (every 2 weeks vs every 6 months) and ratings volume (11 vs 3). 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.

Curebase holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 3 and 11 respectively.

Curebase ships an update every 6 months, Aviva every 2 weeks. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Curebase | Aviva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/curebase/id1437100130/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/aviva/id1480869629/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Curebase, Inc.](https://appshunter.io/developer/1437100129) | [Oui Therapeutics, Inc](https://appshunter.io/developer/1480857300) |

## What reviewers say

### Curebase

[App page](https://appshunter.io/ios/app/curebase/id1437100130)

This app helps clinical trial participants manage their study journey. It allows users to sign documents, upload records, schedule appointments, and communicate with telehealth providers, all from a single platform.

**Highlights:** Sign study documents, Upload medical records, Schedule appointments, Telehealth consultations, Complete questionnaires, Receive study compensation

**Features:** macOS Compatibility

**In-app purchases:** none


### Aviva

[App page](https://appshunter.io/ios/app/aviva/id1480869629)

This app uses science-based methods to help users manage difficult thoughts. It features a personalized program with a chatbot to identify issues and create tailored exercises and resources. Access tools, practice techniques, and receive encouragement to understand and cope with troubling thoughts.

**Highlights:** Science-based thought management, Personalized program, Interactive chatbot, Animated explanations, Real-life video examples, Skill-building tools

**In-app purchases:** none


## Frequently asked questions

### Is Curebase free?

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

### Is Aviva free?

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

### Which has better reviews, Curebase or Aviva?

Curebase is rated higher. Curebase averages 5.0 out of 5 from 3 ratings, while Aviva averages 4.5 from 11 ratings.

### Do Curebase or Aviva have ads?

Neither Curebase nor Aviva shows ads.

### Which is updated more often, Curebase or Aviva?

Curebase ships an update every 6 months, and Aviva every 2 weeks. Most recently, Curebase was updated on September 8, 2026 and Aviva on September 20, 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.*