# Deg2Rad vs Multiply Pairs

The clearest difference is ads: Deg2Rad at none against Multiply Pairs's shown. Deg2Rad also leads on device support (3 vs 1) and iOS requirement (8.0 vs 16.6). Multiply Pairs's advantage is update cadence (every 4 weeks vs every 18 months). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Deg2Rad ships an update every 18 months, Multiply Pairs every 4 weeks. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Deg2Rad | Multiply Pairs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 4 weeks** |
| Size | 11 MB | 32 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoshiaki Onishi](https://appshunter.io/developer/852893746) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### Deg2Rad

[App page](https://appshunter.io/ios/app/deg2rad/id1089828332)

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

**In-app purchases:** none


### Multiply Pairs

[App page](https://appshunter.io/ios/app/multiply-pairs-mental-math/id6448858474)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deg2Rad free?

Deg2Rad is free to download, with no in-app purchases.

### Is Multiply Pairs free?

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

### Do Deg2Rad or Multiply Pairs have ads?

Multiply Pairs shows ads; Deg2Rad does not.

### Which is updated more often, Deg2Rad or Multiply Pairs?

Deg2Rad ships an update every 18 months, and Multiply Pairs every 4 weeks. Most recently, Deg2Rad was updated on October 19, 2026 and Multiply Pairs on October 4, 2026.

---

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