# Replex Gym Tracker & Planner vs BloodOxygenMonitor

The clearest difference is update cadence: BloodOxygenMonitor at weekly against Replex Gym Tracker & Planner's monthly. BloodOxygenMonitor also leads on iOS requirement (18.5 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Replex Gym Tracker & Planner sells 4 in-app purchases, starting at $5.99 per month and BloodOxygenMonitor sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Replex Gym Tracker & Planner ships an update monthly, BloodOxygenMonitor weekly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Replex Gym Tracker & Planner | BloodOxygenMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | — |
| Size | 118 MB | 55 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Alexander Ryakhin](https://appshunter.io/developer/1588418795) | [智敏 焦](https://appshunter.io/developer/1806339985) |

## What reviewers say

### Replex Gym Tracker & Planner

[App page](https://appshunter.io/ios/app/replex-gym-tracker-and-planner/id6476805884)

Log your gym and calisthenics routines with this comprehensive fitness planner. Track sets, reps, and weight, analyze your progress with detailed analytics, and sync seamlessly across devices. Achieve your fitness goals with intelligent workout management.

**Highlights:** Workout tracking from iPhone and Apple Watch, Comprehensive exercise library with muscle map, Customizable workout templates, Detailed analytics and progress visualization, Calendar integration for scheduling, iCloud sync across devices

**Features:** Family Sharing, Siri integration, Apple Watch app, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Annual Subscription | $29.99 | per year |
| Annual Subscription | $39.99 | per year |
| Lifetime Access | $99.99 | one-time |


### BloodOxygenMonitor

[App page](https://appshunter.io/ios/app/bloodoxygenmonitor/id6756411122)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Replex Gym Tracker & Planner free?

Replex Gym Tracker & Planner is free to download, with in-app purchases available.

### Is BloodOxygenMonitor free?

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

### Do Replex Gym Tracker & Planner or BloodOxygenMonitor have ads?

Neither Replex Gym Tracker & Planner nor BloodOxygenMonitor shows ads.

### Which is updated more often, Replex Gym Tracker & Planner or BloodOxygenMonitor?

Replex Gym Tracker & Planner ships an update monthly, and BloodOxygenMonitor weekly. Most recently, Replex Gym Tracker & Planner was updated on November 8, 2026 and BloodOxygenMonitor on November 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.*