# Simple Gym Trainer vs 100 Sit

The clearest difference is price: 100 Sit at Free against Simple Gym Trainer's $0.99. Simple Gym Trainer's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

100 Sit is free to download; Simple Gym Trainer costs $0.99 up front. 100 Sit sells 2 in-app purchases, starting at $3.99 per month. Simple Gym Trainer asks for nothing beyond the download.

Simple Gym Trainer ships an update every 3 weeks, 100 Sit every 2 weeks. The most recent releases landed on October 9, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Simple Gym Trainer | 100 Sit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.9 (139 ratings)](https://appshunter.io/ios/app/100-sit-ups-six-pack-trainer/id6466443313/reviews)** |
| Number of ratings | — | **139** |
| Positive reviews | — | 87.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 370 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Simpler Software](https://appshunter.io/developer/392250183) | [Foxyfitness GmbH](https://appshunter.io/developer/1658515547) |

## What reviewers say

### Simple Gym Trainer

[App page](https://appshunter.io/ios/app/simple-gym-trainer/id392250180)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100 Sit

[App page](https://appshunter.io/ios/app/100-sit-ups-six-pack-trainer/id6466443313)

This app acts as a personal fitness coach, using your device's motion sensor to automatically count sit-ups. It provides a structured training plan, voice coaching, and motivational features like leaderboards and streaks to help you achieve your core strength and abs goals.

**Highlights:** Automatic sit-up counting via motion sensor, Voice coaching for feedback, Global and friend leaderboards, Personalized training plans, Goal setting and reminders, Workout streaks tracking, Integration with Apple Health

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sit-Ups PRO | $3.99 | per month |
| Sit-Ups PRO | $19.99 | per year |

**What reviewers like**

- 👍 Motivates users to continue
- 👍 Reliable and trustworthy
- 👍 Fun and encouraging
- 👍 Good for home workouts
- 👍 Good motivation

**What reviewers complain about**

- 👎 Inaccurate counting
- 👎 Settings not intuitive
- 👎 Frequent premium upsells
- 👎 Usability issues on smartphones
- 👎 App becomes faulty after in-app purchase

**Reported bugs**

- Counts sit-ups inaccurately
- App freezes after in-app purchase
- Accidentally pay for premium due to screen sensitivity
- Pause ends too soon due to screen sensitivity

**Requested features**

- Allow filters to be set permanently
- Wish for a way to go back
- Language option for Russian
- Option to go back


## Frequently asked questions

### Is Simple Gym Trainer free?

Simple Gym Trainer costs $0.99, with no in-app purchases.

### Is 100 Sit free?

100 Sit is free to download, with in-app purchases available.

### Do Simple Gym Trainer or 100 Sit have ads?

100 Sit shows ads; Simple Gym Trainer does not.

### Which is updated more often, Simple Gym Trainer or 100 Sit?

Simple Gym Trainer ships an update every 3 weeks, and 100 Sit every 2 weeks. Most recently, Simple Gym Trainer was updated on October 9, 2026 and 100 Sit on October 27, 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.*