# Flex 40 vs Kept

The clearest difference is in-app purchases: Kept at none against Flex 40's 1. Kept also leads on update cadence (every 2 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flex 40 sells 1 one-off in-app purchase. Kept asks for nothing beyond the download.

Flex 40 ships an update every 9 days, Kept every 2 days. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Flex 40 | Kept |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/flex-40/id6762550611/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 49 MB | 9 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShuffleUp LLC](https://appshunter.io/developer/1892717669) | [ALEXANDRU DANCAU](https://appshunter.io/developer/6806519606) |

## What reviewers say

### Flex 40

[App page](https://appshunter.io/ios/app/flex-40/id6762550611)

This app helps individuals track irregular work hours, including overtime, comp time, and extra shifts. It organizes pay, deductions, and provides detailed reports to compare against actual paychecks. Ideal for professions with non-standard schedules.

**Highlights:** Track all work hours, Manage overtime and double time, Monitor comp time balance, Custom tags and color-coding, Add deductions and notes, Generate pay period reports, Export data to CSV/Excel/PDF

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flex 40 Pro | $9.99 | one-time |


### Kept

[App page](https://appshunter.io/ios/app/kept-private-link-library/id6809417882)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flex 40 free?

Flex 40 is free to download, with in-app purchases available.

### Is Kept free?

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

### Do Flex 40 or Kept have ads?

Neither Flex 40 nor Kept shows ads.

### Which is updated more often, Flex 40 or Kept?

Flex 40 ships an update every 9 days, and Kept every 2 days. Most recently, Flex 40 was updated on September 11, 2026 and Kept on September 14, 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.*