# Random Abs vs Dorundorun

The clearest difference is ratings volume: Random Abs at 660 against Dorundorun's 1. Random Abs also leads on iOS requirement (12.0 vs 15.1). Dorundorun's advantage is update cadence (every 6 days vs every 4 weeks). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Random Abs against 5.0 for Dorundorun. That said, the two scores are not equally well evidenced: Random Abs has 660 ratings behind it against 1, so its average is the more settled of the two.

Random Abs ships an update every 4 weeks, Dorundorun every 6 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Random Abs | Dorundorun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (660 ratings)](https://appshunter.io/ios/app/random-abs/id1447866997/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dorundorun/id6758323341/reviews)** |
| Number of ratings | **660** | 1 |
| Positive reviews | 95.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 99 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hammock LLC](https://appshunter.io/developer/1397486977) | [Ha Jeong](https://appshunter.io/developer/1872281320) |

## What reviewers say

### Random Abs

[App page](https://appshunter.io/ios/app/random-abs/id1447866997)

This app provides unique daily ab workout routines, varying exercises, reps, and sets each day. It includes exercise demonstrations and a history tracker. An optional cloud account syncs progress across devices.

**Highlights:** Daily randomized ab routines, Exercise demos and descriptions, Completed routine history, Built-in stopwatch, No account required

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great, variable workouts
- 👍 Exercises are clear and effective
- 👍 No-nonsense, minimal app
- 👍 Excellent exercise explanations
- 👍 Motivating and helps build consistency

**What reviewers complain about**

- 🐛 Plank timer went missing with update
- 🔧 Need calendar view back to track progress

**Reported bugs**

- Plank timer went missing with update

**Requested features**

- Adjustable overall difficulty
- Timer for breaks between sets
- Option to select/deselect exercises


### Dorundorun

[App page](https://appshunter.io/ios/app/dorundorun/id6758323341)

Connect with fellow Korean runners in Dallas through this community app. Organize and join group runs, track your attendance, and share your running experiences. It's designed for flexible participation and fostering social connections within the local running scene.

**Highlights:** Join scheduled and spontaneous group runs, Track attendance and view personal stats, Share photos and connect with other runners, Organize meetups and plan flash runs, Personalized runner profiles and notifications, Seamless KakaoTalk group integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Random Abs free?

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

### Is Dorundorun free?

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

### Which has better reviews, Random Abs or Dorundorun?

Dorundorun is rated higher. Random Abs averages 4.9 out of 5 from 660 ratings, while Dorundorun averages 5.0 from 1 ratings.

### Do Random Abs or Dorundorun have ads?

Neither Random Abs nor Dorundorun shows ads.

### Which is updated more often, Random Abs or Dorundorun?

Random Abs ships an update every 4 weeks, and Dorundorun every 6 days. Most recently, Random Abs was updated on October 22, 2026 and Dorundorun on October 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.*