# Rivoko vs TANGENT

The clearest difference is in-app purchases: Rivoko at none against TANGENT's 1. Rivoko also leads on ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. TANGENT sells 1 one-off in-app purchase. Rivoko asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Rivoko against 5.0 for TANGENT. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Rivoko ships an update every 4 weeks, TANGENT every 3 weeks. The most recent releases landed on October 7, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Rivoko | TANGENT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rivoko/id6809583867/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tangent-ring-logic-puzzle/id6814649973/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 24 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [paul zogmann](https://appshunter.io/developer/1896571989) | [Farzin Tavakoli](https://appshunter.io/developer/1524235646) |

## What reviewers say

### Rivoko

[App page](https://appshunter.io/ios/app/rivoko/id6809583867)

A turn-based strategy game on a 5x5 board where placing stones flips others. Aim to create lines of four or more to win, but be mindful of your opponent's opportunities. Features solo challenges, local multiplayer, and interactive lessons.

**Highlights:** Turn-based strategy gameplay, 5x5 board with stone flipping mechanics, Five unlockable AI rivals, Local two-player mode, Interactive tutorial lessons, Offline play, Game replay functionality

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

**In-app purchases:** none


### TANGENT

[App page](https://appshunter.io/ios/app/tangent-ring-logic-puzzle/id6814649973)

This logic puzzle game challenges you to land every dot in its socket using a single, exact rule. With no timers or luck involved, it offers a satisfyingly precise and mentally stimulating experience. Explore various difficulty levels and unique mechanics across multiple orbits.

**Highlights:** One exact rule for gameplay, No timers or luck involved, Endless, procedurally generated boards, Six distinct difficulty orbits, Daily brain teasers, Supports VoiceOver and Dynamic Type

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TANGENT Full Game | $4.99 | one-time |


## Frequently asked questions

### Is Rivoko free?

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

### Is TANGENT free?

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

### Which has better reviews, Rivoko or TANGENT?

Rivoko and TANGENT are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Rivoko or TANGENT have ads?

TANGENT shows ads; Rivoko does not.

### Which is updated more often, Rivoko or TANGENT?

Rivoko ships an update every 4 weeks, and TANGENT every 3 weeks. Most recently, Rivoko was updated on October 7, 2026 and TANGENT on October 29, 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.*