# Source vs EcoWatt

Source and EcoWatt are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Source ships an update every 6 weeks, EcoWatt every 2 months. The most recent releases landed on August 13, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Source | EcoWatt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 64 MB | 26 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bouygues Telecom](https://appshunter.io/developer/316348393) | [RTE Reseau de transport d'electricite](https://appshunter.io/developer/424593996) |

## What reviewers say

### Source

[App page](https://appshunter.io/ios/app/source/id1593228310)

This mobile service allows users to support charities with unused data. Users can manage their plan, purchase data top-ups, and convert leftover gigabytes into donations for causes like animal welfare, environment, and mutual aid. It also offers tips to optimize data usage and reduce carbon footprint.

**Highlights:** Support charities with unused data, Purchase data top-ups, Convert gigabytes to donations, Access client area, Refer friends for rewards, Optimize data consumption, Reduce carbon footprint

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### EcoWatt

[App page](https://appshunter.io/ios/app/ecowatt-rte/id1645566499)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Source free?

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

### Is EcoWatt free?

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

### Do Source or EcoWatt have ads?

Neither Source nor EcoWatt shows ads.

### Which is updated more often, Source or EcoWatt?

Source ships an update every 6 weeks, and EcoWatt every 2 months. Most recently, Source was updated on August 13, 2026 and EcoWatt on September 13, 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.*