# Situps Coach vs RepStack

The clearest difference is ads: RepStack at none against Situps Coach's shown. RepStack also leads on update cadence (daily vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Situps Coach ships an update every 6 months, RepStack daily. The most recent releases landed on October 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Situps Coach | RepStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (20 ratings)](https://appshunter.io/ios/app/situps-coach/id493893188/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 92.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 44 MB | 40 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [ALEXANDER HINTERLEITNER](https://appshunter.io/developer/1882835373) |

## What reviewers say

### Situps Coach

[App page](https://appshunter.io/ios/app/situps-coach/id493893188)

This app guides you through a structured workout plan to increase your sit-up capacity and build abdominal strength. It tracks your progress, offers reminders, and allows for custom plans, all while making your workouts more engaging. Achieve your fitness goals in about 30 minutes per week over six weeks.

**Highlights:** Structured sit-up workout plans, Progress tracking and calorie burnt logs, Customizable reminders, Music playback integration, Social sharing of workouts, Customizable exercise plans, Backup and restore options

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 💪 Effective progressive workout program
- 🎵 Ability to listen to own music during workouts
- ⏰ Customizable reminders and notifications
- 📊 Progress tracking and logging features

**What reviewers complain about**

- 🐛 Freezing and crashing issues
- 📺 Intrusive full-screen advertisements
- 🎨 Outdated, unattractive user interface
- ❓ Lack of tutorial or onboarding guidance
- 🔊 Poor quality or annoying voice prompts

**Reported bugs**

- App freezes on title screen
- Crashes when changing timing settings
- Full-screen ads cause app lockup when closing
- Voice mechanism requires phone reboot to activate
- Profile setup shows only ads without functionality

**Requested features**

- Voice announcement of rep counts during sets
- Customizable target goals beyond 200 reps
- Multiple user profiles without payment
- Ability to start at different fitness levels
- Countdown timer for rep completion


### RepStack

[App page](https://appshunter.io/ios/app/repstack/id6760138812)

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

**In-app purchases:** none


## Frequently asked questions

### Is Situps Coach free?

Situps Coach is free to download, with no in-app purchases.

### Is RepStack free?

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

### Do Situps Coach or RepStack have ads?

Situps Coach shows ads; RepStack does not.

### Which is updated more often, Situps Coach or RepStack?

Situps Coach ships an update every 6 months, and RepStack daily. Most recently, Situps Coach was updated on October 4, 2026 and RepStack on September 24, 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.*