# Calibration Flow vs Print Lab

The clearest difference is update cadence: Calibration Flow at every 5 days against Print Lab's fortnightly. Calibration Flow also leads on device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Calibration Flow sells 2 in-app purchases, starting at $8.90 per month and Print Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calibration Flow ships an update every 5 days, Print Lab fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calibration Flow | Print Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 16 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [tristan sidem](https://appshunter.io/developer/1819920733) | [Lintao Li](https://appshunter.io/developer/1633884272) |

## What reviewers say

### Calibration Flow

[App page](https://appshunter.io/ios/app/calibration-flow/id6747118030)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Picturale Pass Monthly | $8.90 | per month |
| Picturale Pass Yearly | $89.00 | per year |


### Print Lab

[App page](https://appshunter.io/ios/app/print-lab-riso-photo-fx/id6795146704)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 | $4.99 | one-time |


## Frequently asked questions

### Is Calibration Flow free?

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

### Is Print Lab free?

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

### Do Calibration Flow or Print Lab have ads?

Neither Calibration Flow nor Print Lab shows ads.

### Which is updated more often, Calibration Flow or Print Lab?

Calibration Flow ships an update every 5 days, and Print Lab fortnightly. Most recently, Calibration Flow was updated on October 28, 2026 and Print Lab on October 25, 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.*