# The Deficit vs Simple Muscle

The clearest difference is in-app purchases: The Deficit at none against Simple Muscle's 2. The Deficit also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Muscle sells 2 in-app purchases, starting at $4.99 per month. The Deficit asks for nothing beyond the download.

The Deficit ships an update weekly, Simple Muscle fortnightly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Deficit | Simple Muscle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/simple-muscle/id6787905614/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Freemium |
| Size | 34 MB | 124 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [5 LADISLAV HRBACEK](https://appshunter.io/developer/1777421905) | [Vladimir Haltakov](https://appshunter.io/developer/1895571295) |

## What reviewers say

### The Deficit

[App page](https://appshunter.io/ios/app/the-deficit/id6737693570)

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

**In-app purchases:** none


### Simple Muscle

[App page](https://appshunter.io/ios/app/simple-muscle/id6787905614)

Log your gym sets efficiently with this AI-powered workout tracker. Plan routines, track reps, weight, and time, and manage rest periods with on-wrist Apple Watch support. Explore a vast exercise library and visualize your progress.

**Highlights:** AI-native workout tracking, Apple Watch integration, Rest timer with Lock Screen notifications, Library of 400+ exercises, Progress charts and session history, Optional AI Connection subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Muscle Monthly Plan | $4.99 | per month |
| Simple Muscle Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is The Deficit free?

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

### Is Simple Muscle free?

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

### Do The Deficit or Simple Muscle have ads?

Neither The Deficit nor Simple Muscle shows ads.

### Which is updated more often, The Deficit or Simple Muscle?

The Deficit ships an update weekly, and Simple Muscle fortnightly. Most recently, The Deficit was updated on October 27, 2026 and Simple Muscle on October 31, 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.*