# Servo Programming vs Scaflow

The clearest difference is in-app purchases: Servo Programming at none against Scaflow's 1. Servo Programming also leads on iOS requirement (12.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scaflow sells 1 one-off in-app purchase. Servo Programming asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Servo Programming | Scaflow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 17 MB | 5 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [惠州奥广飞电子科技有限公司](https://appshunter.io/developer/1749910758) | [Satoshi Sakuma](https://appshunter.io/developer/1791815850) |

## What reviewers say

### Servo Programming

[App page](https://appshunter.io/ios/app/servo-programming/id6745406390)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scaflow

[App page](https://appshunter.io/ios/app/scaflow-barcode-for-pc/id6761039235)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scaflow Pro | $5.99 | one-time |


## Frequently asked questions

### Is Servo Programming free?

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

### Is Scaflow free?

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

### Do Servo Programming or Scaflow have ads?

Neither Servo Programming nor Scaflow shows ads.

### Which is updated more often, Servo Programming or Scaflow?

Servo Programming ships an update weekly, and Scaflow weekly. Most recently, Servo Programming was updated on September 9, 2026 and Scaflow on September 20, 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.*