# Tempo EDF vs Sunflower Solar

The clearest difference is price: Sunflower Solar at Free against Tempo EDF's $3.99. Tempo EDF's advantage is review sentiment (90% vs 50%) and update cadence (every 3 weeks vs every 5 months). On ads, in-app purchases and iOS requirement there is nothing between them.

Sunflower Solar is free to download; Tempo EDF costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tempo EDF ships an update every 3 weeks, Sunflower Solar every 5 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Tempo EDF | Sunflower Solar |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | **90.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 15 MB | 43 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [michael dardol](https://appshunter.io/developer/478875188) | [Sunflower Technologies Limited](https://appshunter.io/developer/1762447992) |

## What reviewers say

### Tempo EDF

[App page](https://appshunter.io/ios/app/tempo-edf/id6447752191)

Track EDF Tempo electricity colors with daily forecasts and remaining day counts. Optimize energy consumption and save on bills with convenient widgets and Apple Watch support. Prioritizes user privacy with no personal data collection.

**Highlights:** Daily Tempo color forecasts, Track remaining days for each color, Home screen widgets, Apple Watch app, Simple and intuitive interface, Privacy-focused design

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Sunflower Solar

[App page](https://appshunter.io/ios/app/sunflower-solar/id6630386832)

Monitor your solar energy production in real-time from anywhere. Track daily, monthly, and yearly energy data to stay informed about your system's performance.

**Highlights:** Real-time energy production tracking, Historical data review (days, months, years), Remote monitoring from anywhere, Sunflower Kit connectivity, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tempo EDF free?

Tempo EDF costs $3.99, with no in-app purchases.

### Is Sunflower Solar free?

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

### Do Tempo EDF or Sunflower Solar have ads?

Neither Tempo EDF nor Sunflower Solar shows ads.

### Which is updated more often, Tempo EDF or Sunflower Solar?

Tempo EDF ships an update every 3 weeks, and Sunflower Solar every 5 months. Most recently, Tempo EDF was updated on November 3, 2026 and Sunflower Solar on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*