# Heyrex vs Red Mode

The clearest difference is price: Heyrex at Free against Red Mode's $0.99. Heyrex also leads on review sentiment (33% vs 0%) and iOS requirement (13.0 vs 17.5). Red Mode's advantage is update cadence (every 5 days vs every 2 months) and chart position (#189 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Heyrex is free to download; Red Mode costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Heyrex ships an update every 2 months, Red Mode every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Heyrex | Red Mode |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[3.7 (6 ratings)](https://appshunter.io/ios/app/red-mode-night-red-screen/id6759926783/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#189** |
| Size | 21 MB | 12 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Heyrex International Limited](https://appshunter.io/developer/1149647118) | [Solana Beach Labs, LLC](https://appshunter.io/developer/1452452613) |

## What reviewers say

### Heyrex

[App page](https://appshunter.io/ios/app/heyrex/id1149647119)

This app monitors your dog's activity, location, and well-being, alerting you to concerning changes in behavior. It provides real-time data, historical summaries, and rewards for proactive pet care.

**Highlights:** Activity and location monitoring, Well-being score and alerts, Behavioral pattern analysis, Real-time temperature alerts, Reward points system, Daily, weekly, monthly summaries, Pet care diary

**Features:** macOS Compatibility

**In-app purchases:** none


### Red Mode

[App page](https://appshunter.io/ios/app/red-mode-night-red-screen/id6759926783)

**Currently charting:** #189 Top Paid · Health & Fitness (US App Store)

This app offers a deep red screen filter to reduce eye strain at night, with automated scheduling for bedtime routines. It includes pre-set 'Sleep Packs' for different nights and a simple red night light feature. It also provides a morning red session option and manual controls for instant adjustments.

**Highlights:** Deep red screen filter, Autopilot scheduling, Sleep Packs for routines, Night light functionality, Morning red session, Manual on/off controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Heyrex free?

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

### Is Red Mode free?

Red Mode costs $0.99, with no in-app purchases.

### Do Heyrex or Red Mode have ads?

Neither Heyrex nor Red Mode shows ads.

### Which is updated more often, Heyrex or Red Mode?

Heyrex ships an update every 2 months, and Red Mode every 5 days. Most recently, Heyrex was updated on October 24, 2026 and Red Mode 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.*