# Contex.st vs ObSort

The clearest difference is in-app purchases: Contex.st at none against ObSort's 2. ObSort's advantage is update cadence (every 4 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ObSort sells 2 in-app purchases, starting at $1.99 per month. Contex.st asks for nothing beyond the download.

Contex.st ships an update every 4 weeks, ObSort every 4 days. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Contex.st | ObSort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 128 MB | 3 MB |
| Requires iOS | 18.4 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Memetic Research Laboratories LLC](https://appshunter.io/developer/1814737557) | [Hanquan Liang](https://appshunter.io/developer/1607751967) |

## What reviewers say

### Contex.st

[App page](https://appshunter.io/ios/app/contexst/id6745994409)

**In-app purchases:** none


### ObSort

[App page](https://appshunter.io/ios/app/obsort/id6753699464)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ObSort Pro Monthly | $1.99 | per month |
| ObSort Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Contex.st free?

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

### Is ObSort free?

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

### Do Contex.st or ObSort have ads?

Neither Contex.st nor ObSort shows ads.

### Which is updated more often, Contex.st or ObSort?

Contex.st ships an update every 4 weeks, and ObSort every 4 days. Most recently, Contex.st was updated on October 1, 2026 and ObSort on October 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.*