# WAVE for Sandals vs KinJoin

The clearest difference is in-app purchases: WAVE for Sandals at none against KinJoin's 7. WAVE for Sandals also leads on ads (none vs shown). KinJoin's advantage is update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. KinJoin sells 7 in-app purchases, starting at $4.99 per month. WAVE for Sandals asks for nothing beyond the download.

WAVE for Sandals ships an update every 2 months, KinJoin every 2 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | WAVE for Sandals | KinJoin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (56 ratings)](https://appshunter.io/ios/app/kinjoin/id6751610070/reviews)** |
| Number of ratings | — | **56** |
| Positive reviews | — | 94.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 77 MB | 72 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ambassify](https://appshunter.io/developer/1323952584) | [Bob Christianson](https://appshunter.io/developer/1836049313) |

## What reviewers say

### WAVE for Sandals

[App page](https://appshunter.io/ios/app/wave-for-sandals/id6739774118)

**Features:** macOS Compatibility

**In-app purchases:** none


### KinJoin

[App page](https://appshunter.io/ios/app/kinjoin/id6751610070)

This app fosters daily connection within private groups by providing a single, simple prompt each day. Users respond with text or photos, creating a shared experience that strengthens bonds without the pressure of social media or group chats.

**Highlights:** Daily private group prompts, Quick text and photo replies, Shared streaks for engagement, Ad-free private space, No algorithms or pressure

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KinJoin Plus | $4.99 | per month |
| KinJoin Plus (Yearly) | $39.99 | per year |
| Streak Freeze | $0.99 | one-time |
| Custom Prompt | $0.99 | one-time |
| 3 Streak Freezes | $1.99 | one-time |
| Restore Streak | $1.99 | one-time |
| 3 Custom Prompts | $1.99 | one-time |


## Frequently asked questions

### Is WAVE for Sandals free?

WAVE for Sandals is free to download, with no in-app purchases.

### Is KinJoin free?

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

### Do WAVE for Sandals or KinJoin have ads?

KinJoin shows ads; WAVE for Sandals does not.

### Which is updated more often, WAVE for Sandals or KinJoin?

WAVE for Sandals ships an update every 2 months, and KinJoin every 2 weeks. Most recently, WAVE for Sandals was updated on October 24, 2026 and KinJoin on October 26, 2026.

---

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