# Nesting Dolls vs KnotNum

The clearest difference is ads: KnotNum at none against Nesting Dolls's shown. Nesting Dolls's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Nesting Dolls sells 7 one-off in-app purchases and KnotNum sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Nesting Dolls ships an update every 8 days, KnotNum every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Nesting Dolls | KnotNum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Size | 110 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ruslan Shayhutdinov](https://appshunter.io/developer/1326595663) | [Pavel Gagarin](https://appshunter.io/developer/1535393148) |

## What reviewers say

### Nesting Dolls

[App page](https://appshunter.io/ios/app/nesting-dolls-puzzle-game/id6502882556)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 Coins | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| 1300 Coins | $3.99 | one-time |
| Expert Kit | $4.99 | one-time |
| 3600 Coins | $9.99 | one-time |
| 8000 Coins | $19.99 | one-time |


### KnotNum

[App page](https://appshunter.io/ios/app/knotnum-number-chains/id6786274224)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $0.99 | one-time |
| Premium | $0.99 | one-time |
| 700 Coins | $2.99 | one-time |
| 1800 Coins | $5.99 | one-time |


## Frequently asked questions

### Is Nesting Dolls free?

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

### Is KnotNum free?

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

### Do Nesting Dolls or KnotNum have ads?

Nesting Dolls shows ads; KnotNum does not.

### Which is updated more often, Nesting Dolls or KnotNum?

Nesting Dolls ships an update every 8 days, and KnotNum every 2 weeks. Most recently, Nesting Dolls was updated on November 4, 2026 and KnotNum on October 31, 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.*