# Certillion vs CBO 2026

Certillion and CBO 2026 are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Certillion ships an update every 5 weeks, CBO 2026 every 6 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Certillion | CBO 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **6.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 33 MB | 55 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [e-Sec](https://appshunter.io/developer/657383169) | [Inteligência Web](https://appshunter.io/developer/1343405843) |

## What reviewers say

### Certillion

[App page](https://appshunter.io/ios/app/certillion/id1489758453)

Sign documents on your mobile device using digital certificates. This app offers legal validity, internet speed, and mobile convenience for contracts, bills, and other secure transactions. Obtain a digital certificate for free at registered locations or use your existing A1 certificate.

**Highlights:** Sign documents with digital certificates, Legal validity for transactions, Mobile convenience for signing anywhere, Securely sign contracts and bills, Free digital certificate acquisition

**In-app purchases:** none


### CBO 2026

[App page](https://appshunter.io/ios/app/cbo-2026/id1496610360)

This event app provides comprehensive information and interactive features for attendees of the 69th Brazilian Congress of Ophthalmology. Users can access schedules, speaker profiles, exhibitor details, and engage with content through Q&A, polls, and social features.

**Highlights:** Speaker profiles and activities, Full event schedule with filters, Personalized agenda creation, Exhibitor directory, Scientific work information, Interactive Q&A and polls, Networking and social feed

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Certillion free?

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

### Is CBO 2026 free?

CBO 2026 is free to download, with no in-app purchases.

### Do Certillion or CBO 2026 have ads?

Neither Certillion nor CBO 2026 shows ads.

### Which is updated more often, Certillion or CBO 2026?

Certillion ships an update every 5 weeks, and CBO 2026 every 6 weeks. Most recently, Certillion was updated on October 29, 2026 and CBO 2026 on October 29, 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.*