# Harmonizer vs When We First

The clearest difference is rating: Harmonizer at 4.9 against When We First's 3.6. Harmonizer also leads on update cadence (every 5 days vs fortnightly) and ratings volume (168 vs 19). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Harmonizer sells 6 in-app purchases, starting at $6.99 per 7 days and When We First sells 10 in-app purchases, starting at $50.00 per 7 days. Whichever you choose, the download price is not the number that matters.

Harmonizer holds the better App Store score, 4.9 against 3.6. That said, the two scores are not equally well evidenced: Harmonizer has 168 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 64% of Harmonizer's written reviews are positive against 57% of When We First's.

Harmonizer ships an update every 5 days, When We First fortnightly. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Harmonizer | When We First |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (168 ratings)](https://appshunter.io/ios/app/harmonizer-harmony-dating-ai/id6535688381/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/when-we-first/id6670217475/reviews) |
| Number of ratings | **168** | 19 |
| Positive reviews | **63.6% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 62 MB | 128 MB |
| Requires iOS | 15.1 | **14.0.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Harmolabs Inc.](https://appshunter.io/developer/1756921889) | [WhenWeFirst Inc.](https://appshunter.io/developer/1765368707) |

## What reviewers say

### Harmonizer

[App page](https://appshunter.io/ios/app/harmonizer-harmony-dating-ai/id6535688381)

This app uses scientifically validated methods to help you find a partner for a lasting relationship. It focuses on predicting couple compatibility and long-term success, based on extensive research and real-life success stories.

**Highlights:** Scientific prediction of relationship longevity, Psychological compatibility assessment, Guaranteed daily match, Personalized partner recommendations, Detailed compatibility reports

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonizer Weekly Plan – 30% OFF | $6.99 | per 7 days |
| Harmonizer Weekly Plan | $8.99 | per 7 days |
| Harmonizer Trial Monthly Plan | $29.99 | per month |
| Harmonizer Monthly Plan | $29.99 | per month |
| Harmonizer Quarterly Plan -70% OFF | $79.99 | per 3 months |
| Harmonizer Quarterly Plan | $79.99 | per 3 months |


### When We First

[App page](https://appshunter.io/ios/app/when-we-first/id6670217475)

This dating app offers a human-centered approach to finding meaningful connections. It combines expert matchmakers and dating coaches with advanced algorithms to help users create standout profiles, receive personalized advice, and secure guaranteed dates. Access a partner marketplace for additional dating support services.

**Highlights:** Human Button for matchmaker access, Personalized profile help and setup, Dating coaching and advice, Guaranteed dates, Expert algorithms, Partner marketplace access, VIP membership options

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $50.00 | per 7 days |
| Advantage Membership | $59.00 | per month |
| Elite Membership | $100.00 | per 7 days |
| Premium Membership | $174.99 | per month |
| Elite Membership | $350.00 | per month |
| 3 Green Flags | $8.00 | one-time |
| Trusted Badge | $10.00 | one-time |
| Get Endorsed | $10.00 | one-time |
| 10 Green Flags | $22.00 | one-time |
| 20 Green Flags | $30.00 | one-time |


## Frequently asked questions

### Is Harmonizer free?

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

### Is When We First free?

When We First is free to download, with in-app purchases available.

### Which has better reviews, Harmonizer or When We First?

Harmonizer is rated higher. Harmonizer averages 4.9 out of 5 from 168 ratings, while When We First averages 3.6 from 19 ratings.

### Do Harmonizer or When We First have ads?

Neither Harmonizer nor When We First shows ads.

### Which is updated more often, Harmonizer or When We First?

Harmonizer ships an update every 5 days, and When We First fortnightly. Most recently, Harmonizer was updated on October 19, 2026 and When We First on October 23, 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.*