# VIDaaS vs Calendar for Work Shift

The clearest difference is update cadence: VIDaaS at every 3 weeks against Calendar for Work Shift's every 2 months. VIDaaS also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. VIDaaS sells 8 one-off in-app purchases and Calendar for Work Shift sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

VIDaaS ships an update every 3 weeks, Calendar for Work Shift every 2 months. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | VIDaaS | Calendar for Work Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (618 ratings)](https://appshunter.io/ios/app/vidaas/id1490636157/reviews)** | — |
| Number of ratings | **618** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 86 MB | 25 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Valid Certificadora Digital](https://appshunter.io/developer/826505436) | [Biographics Consultoria e Design LTDA](https://appshunter.io/developer/1264090171) |

## What reviewers say

### VIDaaS

[App page](https://appshunter.io/ios/app/vidaas/id1490636157)

This app allows individuals to issue a cloud-based digital certificate. Use your mobile device to log into registered websites and digitally sign documents securely.

**Highlights:** Cloud digital certificate issuance, Mobile login to websites, Digital document signing, Personal digital certificates

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Renovação uso ECPF 4 MESES | $9.99 | one-time |
| Renovação de uso ECPF 1 ANO | $22.99 | one-time |
| Renovação Uso ECNPJ 4 MESES | $22.99 | one-time |
| Renovação uso ECPF 2 ANOS | $39.99 | one-time |
| Renovação uso ECPF 3 ANOS | $49.99 | one-time |
| Renovação Uso ECNPJ 1 ANO | $49.99 | one-time |
| Renovação Uso ECNPJ 2 ANO | $59.99 | one-time |
| Renovação Uso ECNPJ 3 ANO | $69.99 | one-time |


### Calendar for Work Shift

[App page](https://appshunter.io/ios/app/calendar-for-work-shift/id6501973217)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to Pro Features Monthly | $0.99 | per month |
| Access to Pro Features Yearly | $9.99 | per year |


## Frequently asked questions

### Is VIDaaS free?

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

### Is Calendar for Work Shift free?

Calendar for Work Shift is free to download, with in-app purchases available.

### Do VIDaaS or Calendar for Work Shift have ads?

Neither VIDaaS nor Calendar for Work Shift shows ads.

### Which is updated more often, VIDaaS or Calendar for Work Shift?

VIDaaS ships an update every 3 weeks, and Calendar for Work Shift every 2 months. Most recently, VIDaaS was updated on October 12, 2026 and Calendar for Work Shift on September 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.*