# Weightage vs Decarbonr

The clearest difference is in-app purchases: Weightage at none against Decarbonr's 6. Weightage also leads on update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Decarbonr sells 6 in-app purchases, starting at $0.99 per 7 days. Weightage asks for nothing beyond the download.

Weightage ships an update every 2 days, Decarbonr fortnightly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Weightage | Decarbonr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weightage/id6736907828/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free | — |
| Size | 5 MB | 140 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Hansen](https://appshunter.io/developer/312733912) | [Stephane Sprauer](https://appshunter.io/developer/1843257989) |

## What reviewers say

### Weightage

[App page](https://appshunter.io/ios/app/weightage/id6736907828)

This app helps you manage your weight by tracking your progress through graphs and statistics. It integrates with Apple's Health database and offers motivational affirmations during weigh-ins to encourage consistency towards your goals.

**Highlights:** Track weight by days, months, years, and age, View minimum, average, and maximum weight, Motivational affirmations during weigh-in, Color-coded BMI display, Set target weight goals, Supports kilograms and pounds, Health App integration

**In-app purchases:** none


### Decarbonr

[App page](https://appshunter.io/ios/app/decarbonr/id6756505115)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access Weekly | $0.99 | per 7 days |
| Weekly AI Features Access | $1.99 | per 7 days |
| Premium Access Monthly | $2.99 | per month |
| Monthly AI Features Access | $5.99 | per month |
| Premium Access Yearly | $24.99 | per year |
| Yearly AI Features Access | $59.99 | per year |


## Frequently asked questions

### Is Weightage free?

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

### Is Decarbonr free?

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

### Do Weightage or Decarbonr have ads?

Neither Weightage nor Decarbonr shows ads.

### Which is updated more often, Weightage or Decarbonr?

Weightage ships an update every 2 days, and Decarbonr fortnightly. Most recently, Weightage was updated on September 30, 2026 and Decarbonr on October 1, 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.*