# Sum Link vs Torii Tower

The clearest difference is device support: Torii Tower at 3 against Sum Link's —. Sum Link's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Sum Link sells 2 one-off in-app purchases and Torii Tower sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sum Link ships an update every 10 days, Torii Tower every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sum Link | Torii Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 25 MB | 120 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [东晗 于](https://appshunter.io/developer/1733374642) | [ABOLAB SOFTWARE DEVELOPMENT OFFICE](https://appshunter.io/developer/6778444734) |

## What reviewers say

### Sum Link

[App page](https://appshunter.io/ios/app/sum-linkconnect-and-sum/id6760685335)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Infinite Focus | $0.99 | one-time |
| Elite Solver Bundle | $1.99 | one-time |


### Torii Tower

[App page](https://appshunter.io/ios/app/torii-tower-stacking-game/id6786507047)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Sum Link free?

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

### Is Torii Tower free?

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

### Which is updated more often, Sum Link or Torii Tower?

Sum Link ships an update every 10 days, and Torii Tower every 3 weeks. Most recently, Sum Link was updated on October 24, 2026 and Torii Tower on October 27, 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.*