# ErrataCorrige vs SMI App

The clearest difference is in-app purchases: SMI App at none against ErrataCorrige's 4. SMI App also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ErrataCorrige sells 4 one-off in-app purchases. SMI App asks for nothing beyond the download.

ErrataCorrige ships an update every 4 weeks, SMI App monthly. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ErrataCorrige | SMI App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 44 MB | 26 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Massimo Pavanel](https://appshunter.io/developer/1448634706) | [Workflow Masters](https://appshunter.io/developer/1467421946) |

## What reviewers say

### ErrataCorrige

[App page](https://appshunter.io/ios/app/erratacorrige/id1448634707)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 errataCoin recharge | $1.99 | one-time |
| 50 errataCoin recharge | $2.99 | one-time |
| 75 errataCoin recharge | $3.99 | one-time |
| 100 errataCoin reload | $4.99 | one-time |


### SMI App

[App page](https://appshunter.io/ios/app/smi-app/id1491266690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ErrataCorrige free?

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

### Is SMI App free?

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

### Do ErrataCorrige or SMI App have ads?

Neither ErrataCorrige nor SMI App shows ads.

### Which is updated more often, ErrataCorrige or SMI App?

ErrataCorrige ships an update every 4 weeks, and SMI App monthly. Most recently, ErrataCorrige was updated on October 19, 2026 and SMI App on October 3, 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.*