# PutNumber2 vs ChainSpin

The clearest difference is in-app purchases: ChainSpin at none against PutNumber2's 2. ChainSpin also leads on ads (none vs shown) and update cadence (weekly vs monthly). PutNumber2's advantage is iOS requirement (15.6 vs 17.6). On price and device support there is nothing between them.

Both are free to download. PutNumber2 sells 2 one-off in-app purchases. ChainSpin asks for nothing beyond the download.

PutNumber2 ships an update monthly, ChainSpin weekly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PutNumber2 | ChainSpin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (98 ratings)](https://appshunter.io/ios/app/putnumber2/id1073503789/reviews)** | — |
| Number of ratings | **98** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 117 MB | 41 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKASHI TOKUDA](https://appshunter.io/developer/665848074) | [Hida Kazuhiko](https://appshunter.io/developer/1854670162) |

## What reviewers say

### PutNumber2

[App page](https://appshunter.io/ios/app/putnumber2/id1073503789)

Slide and group number blocks to strategically erase them from the board. Avoid filling the board while aiming for high scores. New elements like Stones and different game modes offer fresh challenges.

**Highlights:** Slide and place number blocks, Group blocks to erase, Stones element, Exact point bonus, Multiple game modes (Endless2, 1000 Points, 30+), Block rotation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ERASE SELECTED NUMBER | $0.99 | one-time |
| REMOVE ADS | $14.99 | one-time |


### ChainSpin

[App page](https://appshunter.io/ios/app/chainspin/id6760955682)

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

**In-app purchases:** none


## Frequently asked questions

### Is PutNumber2 free?

PutNumber2 is free to download, with in-app purchases available.

### Is ChainSpin free?

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

### Do PutNumber2 or ChainSpin have ads?

PutNumber2 shows ads; ChainSpin does not.

### Which is updated more often, PutNumber2 or ChainSpin?

PutNumber2 ships an update monthly, and ChainSpin weekly. Most recently, PutNumber2 was updated on October 13, 2026 and ChainSpin on October 6, 2026.

---

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