# happiness ai vs Polylog

The clearest difference is review sentiment: happiness ai at 100% against Polylog's 0%. happiness ai also leads on rating (5.0 vs 2.0) and ratings volume (6 vs 1). Polylog's advantage is update cadence (fortnightly vs every 5 weeks) and iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. happiness ai sells 8 in-app purchases, starting at $1.99 per month and Polylog sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

happiness ai holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: happiness ai has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of happiness ai's written reviews are positive against 0% of Polylog's.

happiness ai ships an update every 5 weeks, Polylog fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | happiness ai | Polylog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/happiness-ai/id1539813188/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/polylog/id1622203191/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 157 MB | 50 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [HAPPINESS AI INC.](https://appshunter.io/developer/1539813190) | [Thakornkrid Thanatharapokin](https://appshunter.io/developer/1622203193) |

## What reviewers say

### happiness ai

[App page](https://appshunter.io/ios/app/happiness-ai/id1539813188)

This app uses AI to help you track your emotions and map joyful memories. Share positive experiences to inspire others and earn rewards. It aims to foster a more connected and meaningful life.

**Highlights:** Emotion tracking, Memory mapping, AI-powered insights, Reward system (HAPI Coins), Positivity sharing, Premium subscription benefits

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly ALLY Plan | $1.99 | per month |
| Basic Plan | $1.99 | per month |
| Premium Plan | $7.99 | per month |
| Monthly Premium Membership | $8.99 | per month |
| 3-Month Premium Subscription | $24.99 | per 3 months |
| Annual Premium Membership | $39.99 | per year |
| HERO Plan | $19.99 | one-time |
| Lifetime Premium Membership | $199.99 | one-time |


### Polylog

[App page](https://appshunter.io/ios/app/polylog/id1622203191)

This app offers a digital journaling experience, allowing users to express themselves through text, images, and decorative elements. It fosters a community where users can share entries and find inspiration from others.

**Highlights:** Versatile text editor, Add images, stickers, and decorations, Extensive content library, Virtual store for customization, Engage with a global community, Comment on diary entries

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 PolyCoins | $0.99 | one-time |
| 100 PolyCoins | $2.99 | one-time |
| 225 PolyCoins | $5.99 | one-time |
| 525 PolyCoins | $13.99 | one-time |
| 844 PolyCoins | $21.99 | one-time |
| 1070 Polycoins | $26.99 | one-time |
| 1500 PolyCoins | $38.99 | one-time |
| 1850 PolyCoins | $46.99 | one-time |
| 2300 PolyCoins | $54.99 | one-time |
| 3000 PolyCoins | $69.99 | one-time |


## Frequently asked questions

### Is happiness ai free?

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

### Is Polylog free?

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

### Which has better reviews, happiness ai or Polylog?

happiness ai is rated higher. happiness ai averages 5.0 out of 5 from 6 ratings, while Polylog averages 2.0 from 1 ratings.

### Do happiness ai or Polylog have ads?

Both happiness ai and Polylog show ads.

### Which is updated more often, happiness ai or Polylog?

happiness ai ships an update every 5 weeks, and Polylog fortnightly. Most recently, happiness ai was updated on November 3, 2026 and Polylog on November 3, 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.*