# NightFlow vs Solen

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

Both are free to download. NightFlow sells 3 in-app purchases, starting at $0.99 per month and Solen sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | NightFlow | Solen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solen-perimenopause-tracker/id6798623584/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 142 MB | 74 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [FlyWork Ventures](https://appshunter.io/developer/1853116400) | [Troiva LLC](https://appshunter.io/developer/1896537878) |

## What reviewers say

### NightFlow

[App page](https://appshunter.io/ios/app/nightflow-tracker-for-sleep/id6761462210)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NightFlow Premium | $0.99 | per month |
| Nightflow Premium | $1.99 | per month |
| Nightflow Premium | $9.99 | per year |


### Solen

[App page](https://appshunter.io/ios/app/solen-perimenopause-tracker/id6798623584)

Track perimenopause symptoms like hot flashes and anxiety daily. Identify personal triggers and test interventions to see what genuinely helps you feel better. Generate reports for your doctor with your logged data.

**Highlights:** Log 13 symptoms in seconds, Map personal symptom triggers, Test interventions over 14 days, Generate doctor reports, Ask questions based on your log, Widget and Lock Screen logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solen Pro Monthly | $9.99 | per month |
| Solen Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is NightFlow free?

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

### Is Solen free?

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

### Do NightFlow or Solen have ads?

Solen shows ads; NightFlow does not.

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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.*