# KF vs Selfrell

The clearest difference is in-app purchases: KF at none against Selfrell's 3. KF also leads on iOS requirement (12.4 vs 14.0.0). Selfrell's advantage is update cadence (monthly vs every 8 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Selfrell sells 3 in-app purchases, starting at $4.49 per month. KF asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KF against 5.0 for Selfrell. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

KF ships an update every 8 months, Selfrell monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | KF | Selfrell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kf-stride/id1618365126/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/selfrell-gamified-journal/id1628707956/reviews) |
| Number of ratings | 2 | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 14 MB | 64 MB |
| Requires iOS | **12.4** | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Kessler Foundation](https://appshunter.io/developer/1618365128) | [Lifeful Five LLC](https://appshunter.io/developer/1606641309) |

## What reviewers say

### KF

[App page](https://appshunter.io/ios/app/kf-stride/id1618365126)

This app helps you identify and express your personal strengths by focusing on 24 character strengths. It provides a daily journal to "spot" these strengths, offering reminders and monthly summaries to boost mood and well-being.

**Highlights:** Strength identification, Daily strength spotting journal, Reminders to spot strengths, Monthly strength summaries, Focus on 24 character strengths, Boosts mood and well-being

**In-app purchases:** none


### Selfrell

[App page](https://appshunter.io/ios/app/selfrell-gamified-journal/id1628707956)

This app uses a gamified approach to help users reflect on their emotions and relationships. By turning feelings into collectible creatures and inner strengths into tools, it encourages self-discovery and mental resilience.

**Highlights:** Gamified emotional journaling, Collectible creatures and strength tools, Reframing negative thoughts, Pattern recognition for self-awareness, Nurturing relationships, Building mental resilience

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Selfrell Gold - Monthly | $4.49 | per month |
| Selfrell Gold - Monthly | $5.99 | per month |
| Selfrell Gold - Annual | $41.99 | per year |


## Frequently asked questions

### Is KF free?

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

### Is Selfrell free?

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

### Which has better reviews, KF or Selfrell?

KF and Selfrell are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do KF or Selfrell have ads?

Neither KF nor Selfrell shows ads.

### Which is updated more often, KF or Selfrell?

KF ships an update every 8 months, and Selfrell monthly. Most recently, KF was updated on October 24, 2026 and Selfrell on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*