# SMART IRON Gym Workout Routine vs Mass Building Program

The clearest difference is review sentiment: SMART IRON Gym Workout Routine at 100% against Mass Building Program's 0%. SMART IRON Gym Workout Routine also leads on rating (4.9 vs 3.5) and ads (none vs shown). Mass Building Program's advantage is iOS requirement (11.0 vs 15.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. SMART IRON Gym Workout Routine sells 2 in-app purchases, starting at $7.99 per month and Mass Building Program sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SMART IRON Gym Workout Routine holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: SMART IRON Gym Workout Routine has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of SMART IRON Gym Workout Routine's written reviews are positive against 0% of Mass Building Program's.

SMART IRON Gym Workout Routine ships an update monthly, Mass Building Program every 46 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | SMART IRON Gym Workout Routine | Mass Building Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (20 ratings)](https://appshunter.io/ios/app/smart-iron-gym-workout-routine/id1482629705/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/mass-building-program/id1550724390/reviews) |
| Number of ratings | **20** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 46 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 80 MB | 156 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Linar Islamov](https://appshunter.io/developer/1022238262) | [Fitric](https://appshunter.io/developer/1545172045) |

## What reviewers say

### SMART IRON Gym Workout Routine

[App page](https://appshunter.io/ios/app/smart-iron-gym-workout-routine/id1482629705)

This app provides structured, science-based gym workout programs designed for muscle growth and strength. It offers progressive overload and periodization to ensure continuous progress and prevent stagnation, making it ideal for both beginners and experienced athletes.

**Highlights:** Ready-made workout programs, Progressive overload guidance, Training periodization, Adaptable to fitness level, Detailed exercise plans, Progress tracking

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SMART IRON Gym - Full access | $7.99 | per month |
| One Month Access | $4.99 | one-time |


### Mass Building Program

[App page](https://appshunter.io/ios/app/mass-building-program/id1550724390)

This workout application focuses on maximizing muscle mass gain over a 4-week period. It utilizes heavy compound exercises to intensely train each muscle group multiple times weekly. The program aims to build strength, improve physique, and boost confidence.

**Highlights:** 4-week mass gain plan, Heavy compound exercises, Intense muscle group training, Focus on strength and physique, Promotes confidence and discipline

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Removal of advertisements | $0.99 | one-time |
| Dumbbell Workout Plan | $1.99 | one-time |
| Exercises for Beginners | $1.99 | one-time |
| Butt, Thighs and Legs | $1.99 | one-time |
| Six Pack Abs | $1.99 | one-time |
| Upper Body Workout | $1.99 | one-time |
| Build Bigger Arms | $1.99 | one-time |
| Building Muscle and Strength | $1.99 | one-time |
| Full Program Bundle | $4.99 | one-time |


## Frequently asked questions

### Is SMART IRON Gym Workout Routine free?

SMART IRON Gym Workout Routine is free to download, with in-app purchases available.

### Is Mass Building Program free?

Mass Building Program is free to download, with in-app purchases available.

### Which has better reviews, SMART IRON Gym Workout Routine or Mass Building Program?

SMART IRON Gym Workout Routine is rated higher. SMART IRON Gym Workout Routine averages 4.9 out of 5 from 20 ratings, while Mass Building Program averages 3.5 from 2 ratings.

### Do SMART IRON Gym Workout Routine or Mass Building Program have ads?

Mass Building Program shows ads; SMART IRON Gym Workout Routine does not.

### Which is updated more often, SMART IRON Gym Workout Routine or Mass Building Program?

SMART IRON Gym Workout Routine ships an update monthly, and Mass Building Program every 46 months. Most recently, SMART IRON Gym Workout Routine was updated on October 9, 2026 and Mass Building Program on October 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.*