# Evola vs Flow

The clearest difference is in-app purchases: Flow at none against Evola's 2. Evola's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Evola sells 2 in-app purchases, starting at $4.99 per month. Flow asks for nothing beyond the download.

Evola ships an update every 3 days, Flow every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Evola | Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/evola-pregnancy-tracker/id6788558325/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 16 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ilayda Gulec](https://appshunter.io/developer/1690989414) | [拥军 刘](https://appshunter.io/developer/1896777340) |

## What reviewers say

### Evola

[App page](https://appshunter.io/ios/app/evola-pregnancy-tracker/id6788558325)

This app offers a calm, week-by-week pregnancy companion. It helps you track your baby's development, monitor your body's changes, and manage appointments. An AI companion answers your pregnancy questions with warm, clear language.

**Highlights:** Week-by-week baby development tracking, Due date countdown, Weight log and chart, Daily symptom and mood journal, Appointment and medication tracker, AI-powered pregnancy Q&A, Nutrition and exercise guidance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


### Flow

[App page](https://appshunter.io/ios/app/flow-period-tracker/id6791552767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Evola free?

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

### Is Flow free?

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

### Do Evola or Flow have ads?

Neither Evola nor Flow shows ads.

### Which is updated more often, Evola or Flow?

Evola ships an update every 3 days, and Flow every 3 weeks. Most recently, Evola was updated on October 31, 2026 and Flow on October 31, 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.*