# Sennoslink vs Shinka

The clearest difference is rating: Sennoslink at 5.0 against Shinka's 3.0. Sennoslink also leads on in-app purchases (none vs 7) and ratings volume (4 vs 1). Shinka's advantage is update cadence (fortnightly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Shinka sells 7 in-app purchases, starting at $0.99 per 7 days. Sennoslink asks for nothing beyond the download.

Sennoslink holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Sennoslink ships an update monthly, Shinka fortnightly. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sennoslink | Shinka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sennoslink/id6550923019/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/shinka-focus-timer/id6753202378/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 66 MB | 123 MB |
| Requires iOS | **15.1** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Precision Fermentation, Inc.](https://appshunter.io/developer/1757870122) | [Simple. Studio Paris](https://appshunter.io/developer/1843036977) |

## What reviewers say

### Sennoslink

[App page](https://appshunter.io/ios/app/sennoslink/id6550923019)

This app transforms your smartphone into a fermentation control center, offering real-time monitoring of key metrics and advanced analytics for brewing. It helps maintain batch consistency, prevent quality issues, and optimize fermentation processes with data-driven insights.

**Highlights:** Real-time data monitoring (DO, pH, gravity, temp, etc.), Device management and alerts, Unified dashboard for multiple fermentations, Automated benchmarking and predictive alerts, Data-driven yeast health tracking, Input lab samples on the go

**Features:** macOS Compatibility

**In-app purchases:** none


### Shinka

[App page](https://appshunter.io/ios/app/shinka-focus-timer/id6753202378)

This app gamifies focus sessions, helping users build concentration habits. Users keep their phone away from distractions to earn experience for a growing companion, making productivity rewarding.

**Highlights:** Gamified focus sessions, Companion evolution, XP and coin rewards, Leaderboard challenges, Distraction avoidance, Daily focus habit building

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shinka Pro Weekly | $0.99 | per 7 days |
| Shinka Pro Weekly | $1.99 | per 7 days |
| Shinka Pro Weekly | $2.99 | per 7 days |
| Shinka Pro Monthly | $3.99 | per month |
| Shinka Pro Yearly | $24.99 | per year |
| Shinka Pro Yearly | $44.99 | per year |
| Shinka Pro Yearly | $89.99 | per year |


## Frequently asked questions

### Is Sennoslink free?

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

### Is Shinka free?

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

### Which has better reviews, Sennoslink or Shinka?

Sennoslink is rated higher. Sennoslink averages 5.0 out of 5 from 4 ratings, while Shinka averages 3.0 from 1 ratings.

### Do Sennoslink or Shinka have ads?

Neither Sennoslink nor Shinka shows ads.

### Which is updated more often, Sennoslink or Shinka?

Sennoslink ships an update monthly, and Shinka fortnightly. Most recently, Sennoslink was updated on September 26, 2026 and Shinka 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.*