# 20 Pull Ups Trainer Challenge vs Armstrong Pull

The clearest difference is rating: 20 Pull Ups Trainer Challenge at 4.6 against Armstrong Pull's 2.0. 20 Pull Ups Trainer Challenge also leads on ratings volume (890 vs 3) and review sentiment (48% vs 25%). Armstrong Pull's advantage is in-app purchases (none vs 3) and update cadence (every 4 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 20 Pull Ups Trainer Challenge sells 3 in-app purchases, starting at $4.99 per month. Armstrong Pull asks for nothing beyond the download.

20 Pull Ups Trainer Challenge holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: 20 Pull Ups Trainer Challenge has 890 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 48% of 20 Pull Ups Trainer Challenge's written reviews are positive against 25% of Armstrong Pull's.

20 Pull Ups Trainer Challenge ships an update every 2 months, Armstrong Pull every 4 weeks. The most recent releases landed on September 17, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | 20 Pull Ups Trainer Challenge | Armstrong Pull |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (890 ratings)](https://appshunter.io/ios/app/20-pull-ups-trainer-challenge/id848897098/reviews)** | [2.0 (3 ratings)](https://appshunter.io/ios/app/armstrong-pull-up/id1530660333/reviews) |
| Number of ratings | **890** | 3 |
| Positive reviews | **48.5% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 88 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zen Labs](https://appshunter.io/developer/485971738) | [Mooncheon Song](https://appshunter.io/developer/625976926) |

## What reviewers say

### 20 Pull Ups Trainer Challenge

[App page](https://appshunter.io/ios/app/20-pull-ups-trainer-challenge/id848897098)

This app guides users to achieve 20 pull-ups in 6 weeks with a proven program suitable for all fitness levels. It offers voice cues, progress tracking, and motivational features. The first two weeks are free, with subscription options available for full access.

**Highlights:** Achieve 20 pull-ups in 6 weeks, Program for all fitness levels, Voice cues for guidance, Badges and awards for workouts, Social sharing of progress, Motivational music

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen Unlimited Pass Monthly | $4.99 | per month |
| Zen Power Playlist 3 Months | $29.99 | per 3 months |
| Zen Unlimited Pass Annual | $74.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Well-planned app
- 💪 Helps improve pull-ups
- 🎉 Great for military/fitness goals

**What reviewers complain about**

- 💰 Subscription model change after purchase
- 🔒 Locked out of paid features after update
- 🤔 Unclear progression for beginners
- ⏱️ Timer issues (stops when switching apps)

**Reported bugs**

- App crashes
- Compatibility issues with older devices

**Requested features**

- Ability to track incomplete workouts
- Option to start at beginner, intermediate, or advanced level
- Ability to combine multiple Zen apps (push-ups, squats, etc.) into circuits


### Armstrong Pull

[App page](https://appshunter.io/ios/app/armstrong-pull-up/id1530660333)

This application provides a structured visual guide for the Armstrong Pullup Program. It outlines daily routines, including maximum effort sets, pyramid training, and varied grip techniques, to help users progressively increase their pull-up numbers.

**Highlights:** Daily workout routines, Maximum effort set tracking, Pyramid training guide, Varied grip training, Visual progress guide, Repeat hardest day option

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

**In-app purchases:** none


## Frequently asked questions

### Is 20 Pull Ups Trainer Challenge free?

20 Pull Ups Trainer Challenge is free to download, with in-app purchases available.

### Is Armstrong Pull free?

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

### Which has better reviews, 20 Pull Ups Trainer Challenge or Armstrong Pull?

20 Pull Ups Trainer Challenge is rated higher. 20 Pull Ups Trainer Challenge averages 4.6 out of 5 from 890 ratings, while Armstrong Pull averages 2.0 from 3 ratings.

### Do 20 Pull Ups Trainer Challenge or Armstrong Pull have ads?

Neither 20 Pull Ups Trainer Challenge nor Armstrong Pull shows ads.

### Which is updated more often, 20 Pull Ups Trainer Challenge or Armstrong Pull?

20 Pull Ups Trainer Challenge ships an update every 2 months, and Armstrong Pull every 4 weeks. Most recently, 20 Pull Ups Trainer Challenge was updated on September 17, 2026 and Armstrong Pull on August 23, 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.*