# 20 Pull Ups Trainer Challenge vs Circus Abs

The clearest difference is ads: 20 Pull Ups Trainer Challenge at none against Circus Abs's shown. 20 Pull Ups Trainer Challenge also leads on ratings volume (890 vs 1). Circus Abs's advantage is update cadence (every 2 days vs every 2 months) and rating (5.0 vs 4.6). On price, in-app purchases, monetization model 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 and Circus Abs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Circus Abs holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 20 Pull Ups Trainer Challenge has 890 ratings behind it against 1, so its average is the more settled of the two.

20 Pull Ups Trainer Challenge ships an update every 2 months, Circus Abs every 2 days. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 20 Pull Ups Trainer Challenge | Circus Abs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (890 ratings)](https://appshunter.io/ios/app/20-pull-ups-trainer-challenge/id848897098/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/circus-abs-core-workout/id6444448676/reviews)** |
| Number of ratings | **890** | 1 |
| Positive reviews | 48.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 71 MB | 224 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zen Labs](https://appshunter.io/developer/485971738) | [JH Digital Solutions](https://appshunter.io/developer/481610881) |

## 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


### Circus Abs

[App page](https://appshunter.io/ios/app/circus-abs-core-workout/id6444448676)

Sculpt your abdominal muscles with a variety of challenging exercises designed for all fitness levels. Create custom workouts, share them with friends, and get instructions from a professional circus artist.

**Highlights:** Over 50 exercises, Custom workout creation, Workout sharing, Professional circus artist instructions, Simple UI

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All the exercises | $3.99 | one-time |


## 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 Circus Abs free?

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

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

Circus Abs is rated higher. 20 Pull Ups Trainer Challenge averages 4.6 out of 5 from 890 ratings, while Circus Abs averages 5.0 from 1 ratings.

### Do 20 Pull Ups Trainer Challenge or Circus Abs have ads?

Circus Abs shows ads; 20 Pull Ups Trainer Challenge does not.

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

20 Pull Ups Trainer Challenge ships an update every 2 months, and Circus Abs every 2 days. Most recently, 20 Pull Ups Trainer Challenge was updated on October 18, 2026 and Circus Abs on October 17, 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.*