# Futoshiki 101 vs Tower Defense Rush

The clearest difference is rating: Tower Defense Rush at 3.8 against Futoshiki 101's 1.0. Tower Defense Rush also leads on review sentiment (29% vs 0%) and update cadence (every 9 days vs monthly). Futoshiki 101's advantage is ads (none vs shown) and iOS requirement (9.0 vs 12.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Futoshiki 101 sells 1 one-off in-app purchase and Tower Defense Rush sells 10 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Tower Defense Rush holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Tower Defense Rush has 25 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Futoshiki 101's written reviews are positive against 29% of Tower Defense Rush's.

Futoshiki 101 ships an update monthly, Tower Defense Rush every 9 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Futoshiki 101 | Tower Defense Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/futoshiki-101/id1403829103/reviews) | **[3.8 (25 ratings)](https://appshunter.io/ios/app/tower-defense-rush/id6741510650/reviews)** |
| Number of ratings | 3 | **25** |
| Positive reviews | 0.0% of reviews | **28.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 158 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mesmotronic](https://appshunter.io/developer/480143689) | [MOBIRIX](https://appshunter.io/developer/349276666) |

## What reviewers say

### Futoshiki 101

[App page](https://appshunter.io/ios/app/futoshiki-101/id1403829103)

Challenge your logic with over 100 Sudoku-style number puzzles. Arrange numbers 1-5 in rows and columns while adhering to greater-than/less-than constraints between adjacent numbers. Features pencil mode for notes and mistake highlighting.

**Highlights:** 101 increasingly difficult puzzles, Sudoku-style number arrangement, Greater-than/less-than constraints, Pencil mode for notes, Mistake highlighting, 5 difficulty levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove adverts | $1.99 | one-time |


### Tower Defense Rush

[App page](https://appshunter.io/ios/app/tower-defense-rush/id6741510650)

Defend your space base from waves of enemies using strategic turret placement and upgrades. Build various towers, manage resources, and overcome challenges in this engaging strategy game.

**Highlights:** Strategic turret placement, Variety of tower types, Tech tree upgrades, Endless mode, Weekly leaderboards, Offline play

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No-ADs Monthly | $3.99 | per month |
| Crystal Piece | $1.99 | one-time |
| 3-Day Gift Package | $1.99 | one-time |
| Handful of Crystal | $2.99 | one-time |
| Item Package 1 | $2.99 | one-time |
| Bag of Crystal | $6.99 | one-time |
| Item Package 2 | $6.99 | one-time |
| Item Package 3 | $12.99 | one-time |
| Pile of Crystal | $19.99 | one-time |
| Crystal Chest | $34.99 | one-time |


## Frequently asked questions

### Is Futoshiki 101 free?

Futoshiki 101 is free to download, with in-app purchases available.

### Is Tower Defense Rush free?

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

### Which has better reviews, Futoshiki 101 or Tower Defense Rush?

Tower Defense Rush is rated higher. Futoshiki 101 averages 1.0 out of 5 from 3 ratings, while Tower Defense Rush averages 3.8 from 25 ratings.

### Do Futoshiki 101 or Tower Defense Rush have ads?

Tower Defense Rush shows ads; Futoshiki 101 does not.

### Which is updated more often, Futoshiki 101 or Tower Defense Rush?

Futoshiki 101 ships an update monthly, and Tower Defense Rush every 9 days. Most recently, Futoshiki 101 was updated on November 2, 2026 and Tower Defense Rush on November 4, 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.*