# PostEx. PayLater vs Keel

The clearest difference is in-app purchases: PostEx. PayLater at none against Keel's 2. PostEx. PayLater also leads on update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Keel sells 2 one-off in-app purchases. PostEx. PayLater asks for nothing beyond the download.

PostEx. PayLater ships an update every 2 weeks, Keel every 6 weeks. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | PostEx. PayLater | Keel |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 41 MB | 50 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [POSTEX PTE LTD](https://appshunter.io/developer/1664035974) | [Maxime Teuber](https://appshunter.io/developer/6792831016) |

## What reviewers say

### PostEx. PayLater

[App page](https://appshunter.io/ios/app/postex-paylater/id6766492442)

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

**In-app purchases:** none


### Keel

[App page](https://appshunter.io/ios/app/keel-subscription-tracker/id6792831014)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Keel, early | $12.99 | one-time |
| Full Keel | $17.99 | one-time |


## Frequently asked questions

### Is PostEx. PayLater free?

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

### Is Keel free?

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

### Do PostEx. PayLater or Keel have ads?

Neither PostEx. PayLater nor Keel shows ads.

### Which is updated more often, PostEx. PayLater or Keel?

PostEx. PayLater ships an update every 2 weeks, and Keel every 6 weeks. Most recently, PostEx. PayLater was updated on November 9, 2026 and Keel on November 13, 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.*