# Calories vs 20 Pull Ups Trainer Challenge

The clearest difference is price: 20 Pull Ups Trainer Challenge at Free against Calories's $0.99. 20 Pull Ups Trainer Challenge also leads on rating (4.6 vs 1.7) and review sentiment (48% vs 17%). Calories's advantage is in-app purchases (none vs 3) and device support (4 vs 2). On ads and iOS requirement there is nothing between them.

20 Pull Ups Trainer Challenge is free to download; Calories costs $0.99 up front. 20 Pull Ups Trainer Challenge sells 3 in-app purchases, starting at $4.99 per month. Calories asks for nothing beyond the download.

20 Pull Ups Trainer Challenge holds the better App Store score, 4.6 against 1.7. 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: 17% of Calories's written reviews are positive against 48% of 20 Pull Ups Trainer Challenge's.

Calories ships an update every 8 months, 20 Pull Ups Trainer Challenge every 2 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calories | 20 Pull Ups Trainer Challenge |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.7 (3 ratings)](https://appshunter.io/ios/app/calories/id313639973/reviews) | **[4.6 (890 ratings)](https://appshunter.io/ios/app/20-pull-ups-trainer-challenge/id848897098/reviews)** |
| Number of ratings | 3 | **890** |
| Positive reviews | 16.7% of reviews | **48.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 71 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Zen Labs](https://appshunter.io/developer/485971738) |

## What reviewers say

### Calories

[App page](https://appshunter.io/ios/app/calories/id313639973)

Track your daily calorie intake to manage your weight or stay in shape. Calculate your daily limit using BMR and monitor your BMI to determine if a diet is needed. The app supports metric and imperial units and allows data export via email.

**Highlights:** Daily calorie tracking, BMR calculation for daily limit, BMI calculation, Email data backup, Metric/Imperial unit switching, iPad multitasking support, Apple Watch app

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Calories free?

Calories costs $0.99, with no in-app purchases.

### Is 20 Pull Ups Trainer Challenge free?

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

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

20 Pull Ups Trainer Challenge is rated higher. Calories averages 1.7 out of 5 from 3 ratings, while 20 Pull Ups Trainer Challenge averages 4.6 from 890 ratings.

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

Neither Calories nor 20 Pull Ups Trainer Challenge shows ads.

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

Calories ships an update every 8 months, and 20 Pull Ups Trainer Challenge every 2 months. Most recently, Calories was updated on October 7, 2026 and 20 Pull Ups Trainer Challenge on October 6, 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.*