# Undercurrent vs Cues

The clearest difference is in-app purchases: Cues at none against Undercurrent's 1. Cues also leads on update cadence (weekly vs every 2 weeks). Undercurrent's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Undercurrent sells 1 one-off in-app purchase. Cues asks for nothing beyond the download.

Undercurrent ships an update every 2 weeks, Cues weekly. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Undercurrent | Cues |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 69 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Lloyd Rowat](https://appshunter.io/developer/1166734628) | [Stationify Oy](https://appshunter.io/developer/1884389808) |

## What reviewers say

### Undercurrent

[App page](https://appshunter.io/ios/app/undercurrent-symptom-tracker/id6759209174)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undercurrent Health: Pro | $19.99 | one-time |


### Cues

[App page](https://appshunter.io/ios/app/cues-self-care-tracker/id6767792896)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Undercurrent free?

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

### Is Cues free?

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

### Do Undercurrent or Cues have ads?

Neither Undercurrent nor Cues shows ads.

### Which is updated more often, Undercurrent or Cues?

Undercurrent ships an update every 2 weeks, and Cues weekly. Most recently, Undercurrent was updated on September 19, 2026 and Cues on September 9, 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.*