# Skitter vs Novemdecuple Calc

The clearest difference is ads: Skitter at none against Novemdecuple Calc's shown. Novemdecuple Calc's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (15.8.3 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

Skitter ships an update every 4 months, Novemdecuple Calc every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Skitter | Novemdecuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/skitter/id1644881206/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 36 MB |
| Requires iOS | 26.0 | **15.8.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jierong Li](https://appshunter.io/developer/1644881208) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Skitter

[App page](https://appshunter.io/ios/app/skitter/id1644881206)

Quickly search using DuckDuckGo with instant search and history saving. Easily switch between DuckDuckGo and Google searches. Focuses solely on search functionality for a streamlined experience.

**Highlights:** Instant DuckDuckGo search, Search history saving, One-tap search engine switching, Privacy-focused search, Streamlined settings

**Features:** Safari Extension

**In-app purchases:** none


### Novemdecuple Calc

[App page](https://appshunter.io/ios/app/novemdecuple-calc/id6742386396)

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

**In-app purchases:** none


## Frequently asked questions

### Is Skitter free?

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

### Is Novemdecuple Calc free?

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

### Do Skitter or Novemdecuple Calc have ads?

Novemdecuple Calc shows ads; Skitter does not.

### Which is updated more often, Skitter or Novemdecuple Calc?

Skitter ships an update every 4 months, and Novemdecuple Calc every 2 weeks. Most recently, Skitter was updated on October 24, 2026 and Novemdecuple Calc on October 28, 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.*