# NumChain vs Drop Duchy

The clearest difference is review sentiment: NumChain at 100% against Drop Duchy's 61%. Drop Duchy's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price and in-app purchases there is nothing between them.

Both are free to download. NumChain sells 5 one-off in-app purchases and Drop Duchy sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

NumChain ships an update monthly, Drop Duchy weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NumChain | Drop Duchy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (57 ratings)](https://appshunter.io/ios/app/drop-duchy/id6748815540/reviews)** |
| Number of ratings | — | **57** |
| Positive reviews | **100.0% of reviews** | 60.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 1.1 GB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [J.Benito Pereira](https://appshunter.io/developer/1267263346) | [Doghowl Games Ltd.](https://appshunter.io/developer/1805603341) |

## What reviewers say

### NumChain

[App page](https://appshunter.io/ios/app/numchain-math-number-puzzle/id6670266485)

This number puzzle game sharpens mental math skills through engaging gameplay. Connect numbers to form chains, sums, and products across three distinct modes. Compete globally, earn achievements, and enjoy a clean, intuitive interface designed for all ages.

**Highlights:** Three game modes: Chains, Sums, Multiplication, Global leaderboards and achievements, Hint system for challenging puzzles, Intuitive interface and clean design, Optimized for iPhone and iPad, Develops mental calculation and strategic thinking

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Points | $0.99 | one-time |
| 53 Points | $1.99 | one-time |
| Ads Remove | $2.99 | one-time |
| 85 Points | $2.99 | one-time |
| 110 Points | $3.99 | one-time |


### Drop Duchy

[App page](https://appshunter.io/ios/app/drop-duchy/id6748815540)

Experience a unique blend of deckbuilding, puzzle, and rogue-lite gameplay. Build a realm by strategically placing tiles, gather resources, and lead your troops to reclaim enemy territory. Each run offers a fresh challenge with procedural generation and meta-progression.

**Highlights:** Deckbuilding, puzzle, and rogue-lite gameplay mix, Strategic tile placement for resource maximization, Real-time strategy combat and territory reclamation, Procedurally generated game experiences, Meta-progression with over 90 challenges, Over 110 unique cards for deck building, Three playable factions: The Duchy, The Order, The Republic

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Game Offer | $8.99 | one-time |
| Base Game | $9.99 | one-time |


## Frequently asked questions

### Is NumChain free?

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

### Is Drop Duchy free?

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

### Do NumChain or Drop Duchy have ads?

NumChain shows ads; Drop Duchy does not.

### Which is updated more often, NumChain or Drop Duchy?

NumChain ships an update monthly, and Drop Duchy weekly. Most recently, NumChain was updated on November 4, 2026 and Drop Duchy 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.*