# Second Nature vs ObieGlow

The clearest difference is in-app purchases: Second Nature at none against ObieGlow's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ObieGlow sells 1 in-app purchase, starting at $14.99 per year. Second Nature asks for nothing beyond the download.

Second Nature ships an update every 2 days, ObieGlow daily. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Second Nature | ObieGlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (57 ratings)](https://appshunter.io/ios/app/second-nature/id885435960/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free | — |
| Size | 140 MB | 44 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Second Nature Health Ltd](https://appshunter.io/developer/885435963) | [Carrick Bolger](https://appshunter.io/developer/1886797387) |

## What reviewers say

### Second Nature

[App page](https://appshunter.io/ios/app/second-nature/id885435960)

This app uses behavioral science to help you build healthy habits for long-term weight loss. It tracks sleep, exercise, and emotional regulation, offering personalized advice from a nutritionist and a library of recipes and educational articles.

**Highlights:** Behavioral science approach, Personalized nutritionist support, Holistic habit tracking (sleep, exercise, emotions), Healthy recipe library, Daily educational articles, Apple HealthKit integration

**Features:** Apple Wallet

**In-app purchases:** none


### ObieGlow

[App page](https://appshunter.io/ios/app/obieglow/id6760916325)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ObieGlow+ | $14.99 | per year |


## Frequently asked questions

### Is Second Nature free?

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

### Is ObieGlow free?

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

### Do Second Nature or ObieGlow have ads?

Neither Second Nature nor ObieGlow shows ads.

### Which is updated more often, Second Nature or ObieGlow?

Second Nature ships an update every 2 days, and ObieGlow daily. Most recently, Second Nature was updated on October 29, 2026 and ObieGlow on October 25, 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.*