# Flex vs Aesurg

The clearest difference is in-app purchases: Aesurg at none against Flex's 1. Aesurg also leads on ads (none vs shown) and update cadence (every 5 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Flex sells 1 in-app purchase, starting at $9.99 per year. Aesurg asks for nothing beyond the download.

Flex ships an update every 4 months, Aesurg every 5 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Flex | Aesurg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 78 MB | 67 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NYNOTECH AS](https://appshunter.io/developer/1740126185) | [Purushottam Bitle](https://appshunter.io/developer/1856922980) |

## What reviewers say

### Flex

[App page](https://appshunter.io/ios/app/flex-time/id6463633151)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro yearly | $9.99 | per year |


### Aesurg

[App page](https://appshunter.io/ios/app/aesurg/id6757405783)

**In-app purchases:** none


## Frequently asked questions

### Is Flex free?

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

### Is Aesurg free?

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

### Do Flex or Aesurg have ads?

Flex shows ads; Aesurg does not.

### Which is updated more often, Flex or Aesurg?

Flex ships an update every 4 months, and Aesurg every 5 days. Most recently, Flex was updated on October 12, 2026 and Aesurg on October 4, 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.*