# flex vs 잡브레인

The clearest difference is review sentiment: 잡브레인 at 95% against flex's 28%. 잡브레인 also leads on rating (5.0 vs 3.4). flex's advantage is update cadence (every 3 days vs every 3 months) and ratings volume (18 vs 5). On price, ads, in-app purchases and device support there is nothing between them.

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

잡브레인 holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 18 and 5 respectively. Written reviews point the same way: 28% of flex's written reviews are positive against 95% of 잡브레인's.

flex ships an update every 3 days, 잡브레인 every 3 months. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | flex | 잡브레인 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (18 ratings)](https://appshunter.io/ios/app/flex-relations-driven-ax/id1535757707/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id1588036120/reviews)** |
| Number of ratings | **18** | 5 |
| Positive reviews | 28.3% of reviews | **95.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | Freemium | — |
| Size | 493 MB | 26 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [플렉스 주식회사](https://appshunter.io/developer/1535757709) | [임플로이랩스](https://appshunter.io/developer/1588036122) |

## What reviewers say

### flex

[App page](https://appshunter.io/ios/app/flex-relations-driven-ax/id1535757707)

This app centralizes all HR data, streamlining team growth through seamless data flow. It offers mobile access to attendance tracking, leave requests, approvals, company information, and internal communications.

**Highlights:** Mobile attendance tracking, Leave and vacation requests/approvals, Electronic approvals and workflows, View payslips and company info, Internal announcements and feedback, Automated leave management

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and convenient
- 👍 Good design and user-friendly
- 👍 Useful for leave and salary confirmation
- 👍 Convenient for attendance management
- 👍 Better than previous apps

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Login issues and errors
- 🐛 Poor UI/UX design
- 🐛 Slow performance
- 🐛 Inconsistent functionality

**Reported bugs**

- App crashes immediately after launch
- App won't launch
- App freezes or becomes unresponsive
- Login fails or infinite loading
- Attendance buttons not working

**Requested features**

- Allow writing reviews via app
- Add widget for attendance
- Add remaining time display
- Improve UI for break time registration
- Add Apple Shortcuts support


### 잡브레인

[App page](https://appshunter.io/ios/app/id1588036120)

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

**In-app purchases:** none


## Frequently asked questions

### Is flex free?

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

### Is 잡브레인 free?

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

### Which has better reviews, flex or 잡브레인?

잡브레인 is rated higher. flex averages 3.4 out of 5 from 18 ratings, while 잡브레인 averages 5.0 from 5 ratings.

### Do flex or 잡브레인 have ads?

Neither flex nor 잡브레인 shows ads.

### Which is updated more often, flex or 잡브레인?

flex ships an update every 3 days, and 잡브레인 every 3 months. Most recently, flex was updated on October 27, 2026 and 잡브레인 on October 12, 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.*