# flex vs Notetrix

The clearest difference is update cadence: flex at every 3 days against Notetrix's every 3 weeks. Notetrix's advantage is device support (3 vs 1). On price, ads, in-app purchases 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.

flex ships an update every 3 days, Notetrix every 3 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | flex | Notetrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (18 ratings)](https://appshunter.io/ios/app/flex-relations-driven-ax/id1535757707/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 485 MB | 62 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [플렉스 주식회사](https://appshunter.io/developer/1535757709) | [PagesX, Inc.](https://appshunter.io/developer/1818052163) |

## 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


### Notetrix

[App page](https://appshunter.io/ios/app/notetrix/id6758931203)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is flex free?

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

### Is Notetrix free?

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

### Do flex or Notetrix have ads?

Neither flex nor Notetrix shows ads.

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

flex ships an update every 3 days, and Notetrix every 3 weeks. Most recently, flex was updated on October 12, 2026 and Notetrix on October 5, 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.*