# Centrim Life Maintenance vs Open Docs

The clearest difference is update cadence: Open Docs at fortnightly against Centrim Life Maintenance's every 6 months. Centrim Life Maintenance's advantage is iOS requirement (15.0 vs 18.2). 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.

Centrim Life Maintenance ships an update every 6 months, Open Docs fortnightly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Centrim Life Maintenance | Open Docs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 20 MB | 36 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ecaret Solutions](https://appshunter.io/developer/1500172876) | [Ho Dung](https://appshunter.io/developer/6805516667) |

## What reviewers say

### Centrim Life Maintenance

[App page](https://appshunter.io/ios/app/centrim-life-maintenance/id1547295564)

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

**In-app purchases:** none


### Open Docs

[App page](https://appshunter.io/ios/app/open-docs-document-viewer/id6806442426)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centrim Life Maintenance free?

Centrim Life Maintenance is free to download, with no in-app purchases.

### Is Open Docs free?

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

### Do Centrim Life Maintenance or Open Docs have ads?

Neither Centrim Life Maintenance nor Open Docs shows ads.

### Which is updated more often, Centrim Life Maintenance or Open Docs?

Centrim Life Maintenance ships an update every 6 months, and Open Docs fortnightly. Most recently, Centrim Life Maintenance was updated on October 12, 2026 and Open Docs on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*