# Quilo Driver vs RefScale

The clearest difference is in-app purchases: Quilo Driver at none against RefScale's 2. Quilo Driver also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). RefScale's advantage is update cadence (fortnightly vs every 7 months). On price and ads there is nothing between them.

Both are free to download. RefScale sells 2 one-off in-app purchases. Quilo Driver asks for nothing beyond the download.

Quilo Driver ships an update every 7 months, RefScale fortnightly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Quilo Driver | RefScale |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 45 MB | 7 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SDILAB - Investigacao e Desenvolvimento de Software Lda](https://appshunter.io/developer/1137973588) | [Zhanarys Toremurat](https://appshunter.io/developer/1870705721) |

## What reviewers say

### Quilo Driver

[App page](https://appshunter.io/ios/app/quilo-driver/id6447356773)

**Features:** macOS Compatibility

**In-app purchases:** none


### RefScale

[App page](https://appshunter.io/ios/app/refscale-photo-ruler/id6760479484)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Photo | $1.99 | one-time |
| RefScale Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Quilo Driver free?

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

### Is RefScale free?

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

### Do Quilo Driver or RefScale have ads?

Neither Quilo Driver nor RefScale shows ads.

### Which is updated more often, Quilo Driver or RefScale?

Quilo Driver ships an update every 7 months, and RefScale fortnightly. Most recently, Quilo Driver was updated on November 6, 2026 and RefScale on November 5, 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.*