# Renogy vs Shrink PDF Email

The clearest difference is price: Renogy at Free against Shrink PDF Email's $2.99. Renogy also leads on update cadence (every 3 weeks vs every 7 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Renogy is free to download; Shrink PDF Email costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Renogy ships an update every 3 weeks, Shrink PDF Email every 7 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Renogy | Shrink PDF Email |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.8 (826 ratings)](https://appshunter.io/ios/app/renogy/id1495327014/reviews)** | — |
| Number of ratings | **826** | — |
| Positive reviews | 10.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 74 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Renogy Suzhou Co.,Ltd.](https://appshunter.io/developer/1490992894) | [OpsOh LLC](https://appshunter.io/developer/1877414741) |

## What reviewers say

### Renogy

[App page](https://appshunter.io/ios/app/renogy/id1495327014)

Monitor your solar energy systems in real-time, configure device settings, and connect with a community of off-grid enthusiasts. Learn about solar solutions, share your own DIY projects, and access exclusive promotions and rewards.

**Highlights:** Real-time energy monitoring, Device settings configuration, Online DIY learning and sharing, Community forums for off-grid living, Exclusive promotions and rewards, Online store for solar products

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to set up and configure
- 🚀 Plug and go functionality
- 🔋 Decent battery monitoring

**What reviewers complain about**

- 🐛 Frequent connectivity issues
- 🔍 Inaccurate or missing data
- 📱 Requires internet connection to function
- 🤖 Overly complex UI with unnecessary features

**Reported bugs**

- App crashes on launch after updates
- Login/account creation issues
- Bluetooth pairing problems

**Requested features**

- Detailed battery health and usage history
- Customizable alerts and notifications
- Apple Watch support
- Offline mode for remote monitoring


### Shrink PDF Email

[App page](https://appshunter.io/ios/app/shrink-pdf-email/id6758271926)

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

**In-app purchases:** none


## Frequently asked questions

### Is Renogy free?

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

### Is Shrink PDF Email free?

Shrink PDF Email costs $2.99, with no in-app purchases.

### Do Renogy or Shrink PDF Email have ads?

Neither Renogy nor Shrink PDF Email shows ads.

### Which is updated more often, Renogy or Shrink PDF Email?

Renogy ships an update every 3 weeks, and Shrink PDF Email every 7 months. Most recently, Renogy was updated on October 29, 2026 and Shrink PDF Email on October 29, 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.*