# Tectonic Logic Puzzles vs Sum Fall

The clearest difference is iOS requirement: Sum Fall at 13.0 against Tectonic Logic Puzzles's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Tectonic Logic Puzzles sells 7 one-off in-app purchases and Sum Fall sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tectonic Logic Puzzles ships an update fortnightly, Sum Fall every 8 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Tectonic Logic Puzzles | Sum Fall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tectonic-logic-puzzles/id6752325536/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michiel Moens](https://appshunter.io/developer/1838895462) | [Adrien Buot](https://appshunter.io/developer/1891362517) |

## What reviewers say

### Tectonic Logic Puzzles

[App page](https://appshunter.io/ios/app/tectonic-logic-puzzles/id6752325536)

Engage your mind with this logic puzzle game that offers a unique challenge. Fill regions with numbers according to specific rules, sharpening your deductive skills. Enjoy multiple difficulty levels and helpful tools to solve increasingly complex puzzles.

**Highlights:** Regional number filling, Neighboring cell restrictions, Multiple difficulty levels, Hint system, Auto and manual note-taking, Ad removal option

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hints Pack (+5) | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Hints Pack (+10) | $1.99 | one-time |
| Unlock Auto Notes | $2.99 | one-time |
| Hints Pack (+20) | $2.99 | one-time |
| Hints Pack (+50) | $3.99 | one-time |
| Hints Pack (+100) | $4.99 | one-time |


### Sum Fall

[App page](https://appshunter.io/ios/app/sum-fall-number-puzzle/id6761768891)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Tectonic Logic Puzzles free?

Tectonic Logic Puzzles is free to download, with in-app purchases available.

### Is Sum Fall free?

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

### Do Tectonic Logic Puzzles or Sum Fall have ads?

Both Tectonic Logic Puzzles and Sum Fall show ads.

### Which is updated more often, Tectonic Logic Puzzles or Sum Fall?

Tectonic Logic Puzzles ships an update fortnightly, and Sum Fall every 8 days. Most recently, Tectonic Logic Puzzles was updated on October 15, 2026 and Sum Fall on October 13, 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.*