# Multiple Calculators vs Purple Smart Base

The clearest difference is price: Purple Smart Base at Free against Multiple Calculators's $0.99. Purple Smart Base also leads on update cadence (every 3 months vs every 38 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Purple Smart Base is free to download; Multiple Calculators costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Multiple Calculators ships an update every 38 months, Purple Smart Base every 3 months. The most recent releases landed on September 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Multiple Calculators | Purple Smart Base |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (618 ratings)](https://appshunter.io/ios/app/purple-smart-base/id6447022773/reviews)** |
| Number of ratings | — | **618** |
| Positive reviews | — | 56.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 0 MB | 145 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zelda, Inc.](https://appshunter.io/developer/381675078) | [Purple Innovation LLC Apps](https://appshunter.io/developer/1225725190) |

## What reviewers say

### Multiple Calculators

[App page](https://appshunter.io/ios/app/multiple-calculators/id390612808)

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

**In-app purchases:** none


### Purple Smart Base

[App page](https://appshunter.io/ios/app/purple-smart-base/id6447022773)

Control your Purple adjustable bed base for personalized comfort and sleep optimization. Adjust positions, access presets like Zero Gravity and Anti-Snore, save custom settings, and enjoy massage and underbed lighting features on compatible models.

**Highlights:** Adjustable head and foot elevation, Lumbar support and pillow tilt (Premium Plus), Zero Gravity preset, Anti-Snore preset, Save custom positions, Massage functionality (Premium Plus), Underbed lighting control (Premium Plus)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive app interface
- 🎯 Effective voice control integration
- 💪 Life-changing health benefits for users with mobility issues
- 🔧 Customizable memory presets
- 📱 Convenient phone-based control

**What reviewers complain about**

- 🐛 Frequent connectivity and disconnection issues
- ⚠️ Unreliable device pairing
- 😤 Inconsistent app performance
- 🔌 Connection drops requiring manual reconnection
- ⏱️ Limited massage duration options

**Reported bugs**

- App fails to connect to smart base
- Random disconnections from bed
- Device not found after disconnection
- Firmware update prompts with connection failures
- Custom memory presets not saving correctly

**Requested features**

- Apple Watch app control
- Scheduled bed position automation (e.g., zero gravity wake-up)
- Extended massage duration (60+ minutes)
- Synchronized massage motor controls with wave patterns
- Landscape mode for app


## Frequently asked questions

### Is Multiple Calculators free?

Multiple Calculators costs $0.99, with no in-app purchases.

### Is Purple Smart Base free?

Purple Smart Base is free to download, with no in-app purchases.

### Do Multiple Calculators or Purple Smart Base have ads?

Neither Multiple Calculators nor Purple Smart Base shows ads.

### Which is updated more often, Multiple Calculators or Purple Smart Base?

Multiple Calculators ships an update every 38 months, and Purple Smart Base every 3 months. Most recently, Multiple Calculators was updated on September 8, 2026 and Purple Smart Base on September 29, 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.*