# Wada Sanzo Colors vs RefMemo

The clearest difference is in-app purchases: RefMemo at none against Wada Sanzo Colors's 2. RefMemo also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Wada Sanzo Colors sells 2 in-app purchases, starting at $1.99 per month. RefMemo asks for nothing beyond the download.

Wada Sanzo Colors ships an update every 3 weeks, RefMemo every 6 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Wada Sanzo Colors | RefMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (43 ratings)](https://appshunter.io/ios/app/wada-sanzo-colors/id6749268443/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Ungerer](https://appshunter.io/developer/1829687110) | [Inna Ogando](https://appshunter.io/developer/6802435830) |

## What reviewers say

### Wada Sanzo Colors

[App page](https://appshunter.io/ios/app/wada-sanzo-colors/id6749268443)

Explore historical color palettes and find harmonious combinations for your projects. Scan real-world colors to match them with digital values and save your favorites.

**Highlights:** Browse 3 historical color collections, Copy RGB, HEX, and LAB values, Scan real-world colors, Match colors with digital palettes, Save favorite palettes, Access palettes on multiple devices

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $1.99 | per month |
| Unlock Seasons Collection | $4.99 | one-time |


### RefMemo

[App page](https://appshunter.io/ios/app/refmemo/id6802435828)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wada Sanzo Colors free?

Wada Sanzo Colors is free to download, with in-app purchases available.

### Is RefMemo free?

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

### Do Wada Sanzo Colors or RefMemo have ads?

Neither Wada Sanzo Colors nor RefMemo shows ads.

### Which is updated more often, Wada Sanzo Colors or RefMemo?

Wada Sanzo Colors ships an update every 3 weeks, and RefMemo every 6 days. Most recently, Wada Sanzo Colors was updated on November 8, 2026 and RefMemo on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*