# AcroSeeker™ vs OneCST

The clearest difference is update cadence: OneCST at every 3 days against AcroSeeker™'s monthly. AcroSeeker™'s advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AcroSeeker™ ships an update monthly, OneCST every 3 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | AcroSeeker™ | OneCST |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 36 MB | 53 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [日本農薬株式会社](https://appshunter.io/developer/1435259067) | [MobiFone](https://appshunter.io/developer/437730616) |

## What reviewers say

### AcroSeeker™

[App page](https://appshunter.io/ios/app/acroseeker/id1644370354)

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

**In-app purchases:** none


### OneCST

[App page](https://appshunter.io/ios/app/onecst/id6451189988)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AcroSeeker™ free?

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

### Is OneCST free?

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

### Do AcroSeeker™ or OneCST have ads?

Neither AcroSeeker™ nor OneCST shows ads.

### Which is updated more often, AcroSeeker™ or OneCST?

AcroSeeker™ ships an update monthly, and OneCST every 3 days. Most recently, AcroSeeker™ was updated on October 30, 2026 and OneCST on October 30, 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.*