# OID Reader vs CEI Reader

The clearest difference is price: OID Reader at Free against CEI Reader's $0.99. CEI Reader's advantage is update cadence (every 3 days vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

OID Reader is free to download; CEI Reader costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OID Reader ships an update every 6 weeks, CEI Reader every 3 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OID Reader | CEI Reader |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 23 MB | 41 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ORCHESTRATOR SOFTWARE SOLUTIONS S.R.L](https://appshunter.io/developer/1842120341) | [GEORGE-ALEXANDRU BERESCU](https://appshunter.io/developer/1730707479) |

## What reviewers say

### OID Reader

[App page](https://appshunter.io/ios/app/oid-reader/id6756486168)

**In-app purchases:** none


### CEI Reader

[App page](https://appshunter.io/ios/app/cei-reader-domiciliu/id6812494914)

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

**In-app purchases:** none


## Frequently asked questions

### Is OID Reader free?

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

### Is CEI Reader free?

CEI Reader costs $0.99, with no in-app purchases.

### Do OID Reader or CEI Reader have ads?

Neither OID Reader nor CEI Reader shows ads.

### Which is updated more often, OID Reader or CEI Reader?

OID Reader ships an update every 6 weeks, and CEI Reader every 3 days. Most recently, OID Reader was updated on October 14, 2026 and CEI Reader 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.*