# Plank Timer | Dr. Simplicity vs StayActive

The clearest difference is ads: StayActive at none against Plank Timer | Dr. Simplicity's shown. StayActive also leads on device support (4 vs 2). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Plank Timer | Dr. Simplicity ships an update every 5 days, StayActive every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Plank Timer | Dr. Simplicity | StayActive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stayactive-ai-workout-planner/id6761102812/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | — | Free |
| Size | 9 MB | 63 MB |
| Requires iOS | **15.3** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Saihou Ieong](https://appshunter.io/developer/1676200405) | [Naser Al Zier](https://appshunter.io/developer/1887798602) |

## What reviewers say

### Plank Timer | Dr. Simplicity

[App page](https://appshunter.io/ios/app/plank-timer-dr-simplicity/id6566170165)

**Features:** macOS Compatibility

**In-app purchases:** none


### StayActive

[App page](https://appshunter.io/ios/app/stayactive-ai-workout-planner/id6761102812)

This AI-powered fitness app creates personalized workout plans based on your available equipment, goals, and schedule. It offers smart tracking, an AI coach, performance reports, and recovery insights to help you progress effectively. Train with friends and sync data from Apple Health.

**Highlights:** AI-generated personalized workout plans, Smart workout tracking with rest timers, AI coach for guidance and adjustments, Monthly performance and recovery reports, Exercise video demonstrations and form guidance, Train together with friends, Apple Health integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Plank Timer | Dr. Simplicity free?

Plank Timer | Dr. Simplicity is free to download, with no in-app purchases.

### Is StayActive free?

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

### Do Plank Timer | Dr. Simplicity or StayActive have ads?

Plank Timer | Dr. Simplicity shows ads; StayActive does not.

### Which is updated more often, Plank Timer | Dr. Simplicity or StayActive?

Plank Timer | Dr. Simplicity ships an update every 5 days, and StayActive every 3 days. Most recently, Plank Timer | Dr. Simplicity was updated on October 25, 2026 and StayActive on October 24, 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.*