# DryEyeGuide vs BrainFlow.Wave

DryEyeGuide and BrainFlow.Wave are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. DryEyeGuide sells 3 in-app purchases, starting at $6.99 per month and BrainFlow.Wave sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

DryEyeGuide ships an update every 3 days, BrainFlow.Wave every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DryEyeGuide | BrainFlow.Wave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 128 MB | 69 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SynRo](https://appshunter.io/developer/1833431702) | [航 吕](https://appshunter.io/developer/1896498057) |

## What reviewers say

### DryEyeGuide

[App page](https://appshunter.io/ios/app/dryeyeguide/id6751103173)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $49.99 | per year |
| Eye Check-in | $1.99 | one-time |


### BrainFlow.Wave

[App page](https://appshunter.io/ios/app/brainflowwave/id6799071818)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainFlow.Wave Monthly Premium | $5.99 | per month |
| BrainFlow.Wave Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is DryEyeGuide free?

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

### Is BrainFlow.Wave free?

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

### Do DryEyeGuide or BrainFlow.Wave have ads?

Neither DryEyeGuide nor BrainFlow.Wave shows ads.

### Which is updated more often, DryEyeGuide or BrainFlow.Wave?

DryEyeGuide ships an update every 3 days, and BrainFlow.Wave every 4 days. Most recently, DryEyeGuide was updated on October 30, 2026 and BrainFlow.Wave on October 25, 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.*