# Induction vs Calibre

The clearest difference is iOS requirement: Induction at 11.0 against Calibre's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Induction ships an update every 2 months, Calibre every 6 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Induction | Calibre |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 38 MB | 24 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Work Metrics Pty Ltd](https://appshunter.io/developer/490465287) | [Gurru](https://appshunter.io/developer/1437997171) |

## What reviewers say

### Induction

[App page](https://appshunter.io/ios/app/induction/id540705511)

Access and complete online induction materials for your organization. Publish health and safety training, HR topics, and onboarding content for staff, contractors, and visitors. Includes a social network for managers to share alerts and updates.

**Highlights:** Access online induction materials, Complete online assessments, Publish safety alerts and announcements, Update induction content, Record training details, View induction certificates

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

**In-app purchases:** none


### Calibre

[App page](https://appshunter.io/ios/app/calibre/id6759902650)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Induction free?

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

### Is Calibre free?

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

### Do Induction or Calibre have ads?

Neither Induction nor Calibre shows ads.

### Which is updated more often, Induction or Calibre?

Induction ships an update every 2 months, and Calibre every 6 weeks. Most recently, Induction was updated on October 9, 2026 and Calibre on October 11, 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.*