Target Zone Keeper vs Outrun the Dead
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Target Zone Keeper
This app helps improve cardiovascular fitness by guiding users to maintain their heart rate within an optimal zone for VO2 max enhancement. It offers non-disruptive alerts and visual cues, requiring minimal wrist interaction for seamless workout integration.
- Maintains target heart rate zone
- Minimal wrist interaction required
- Simple, intuitive setup
- Customizable, non-disruptive alerts
- Personalized heart rate zones
- Apple Health integration
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Want to improve your endurance and cardiovascular fitness? Boosting your VO2 max - the amount of oxygen your body uses during intense exercise - is the key. Target Zone Keeper helps you achieve this by keeping your heart rate in the optimal zone. With a simple, intuitive interface (no complex setup!), it offers visual cues and haptic feedback to keep you focused without interrupting your flow, even when you’re wearing a gloves or simply can’t turn your wrist! Key features - Keeps you in the target heart rate zone with minimal to none wrist interaction - Simple, intuitive setup for easy use right out of the box - Non-disruptive, customizable alerts - Personalized heart rate zones focused on VO2 max improvement - Seamless integration with Apple Health for workout tracking Benefits - Get instant feedback without disrupting your workout flow - Optimize your training specifically for VO2 max improvement
Outrun the Dead
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The zombie apocalypse is here. Your only way out? Run. Outrun the Dead turns your real-world runs into a fight for survival. Every step you take powers your story in a post-apocalyptic world where skipping a run has real consequences — and pushing yourself is the only way to keep your people alive. Heart-rate driven gameplay: Connect a Bluetooth heart rate monitor, Apple Watch, or Wear OS device. The game reacts to your effort in real time — slow down, and the horde closes in. Push harder, and you pull ahead. The music and audio intensity adapt to match. An AI companion who knows your story: You're not alone out there. A survivor companion runs alongside you, remembers your history, and reacts to your wins and your worst days. Talk to them between runs — they'll remember. A story shaped by your fitness: Every run writes a new chapter. Hit a personal best and the story celebrates it. Miss a day and someone in your group might fall. Your real-world effort is the plot. Collect gear and scrap: Earn scrap currency on every run and discover gear out in the world. Craft and upgrade equipment to keep your survivor prepared for what's ahead. Survive together: Form a group with friends. Your activity keeps the group safe — and their runs can save you when life gets in the way. Nudge a teammate who's gone quiet before it's too late. Features: - Real-time GPS run tracking with distance, pace, and duration - Heart rate monitoring via Bluetooth, Apple Watch, and Wear OS - Step counting and activity recognition - AI-generated companions with unique backstories and evolving relationships - Immersive audio with themed music and radio transmissions during runs - Gear collection and crafting system - Group survival mechanics with invites and leaderboards - AI-powered story events that react to your real activity - Available in English, Spanish, French, Italian, Portuguese, and Russian Whether you run every day or need that extra push to get off the couch, Outrun the Dead gives you a reason to lace up. The dead don't rest — and neither should you. License agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Target Zone Keeper at none against Outrun the Dead's 4. Target Zone Keeper also leads on ads (none vs shown). Outrun the Dead's advantage is update cadence (fortnightly vs every 7 months) and iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Outrun the Dead sells 4 in-app purchases, starting at $1.99 per month. Target Zone Keeper asks for nothing beyond the download.
Target Zone Keeper ships an update every 7 months, Outrun the Dead fortnightly. The most recent releases landed on October 9, 2026 and October 23, 2026 respectively.
| Parameter | Target Zone Keeper | Outrun the Dead |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 257 MB |
| Age rating | 4+ | 12+ |
| Developer | Margarita Bliznikova | Naitsmania AS |
In-app purchases
Target Zone Keeper
No in-app purchases
Outrun the Dead
- Ad-Free Supporter$1.991 Month
- Outrun the Dead Premium$14.991 Month
- Ad-Free Supporter$14.991 Year
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- Outrun the Dead Premium$139.001 Year
Questions
Is Target Zone Keeper free?
Is Outrun the Dead free?
Do Target Zone Keeper or Outrun the Dead have ads?
Which is updated more often, Target Zone Keeper or Outrun the Dead?
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