# Fast Energy ! vs Saq Engineer

The clearest difference is ads: Saq Engineer at none against Fast Energy !'s shown. Fast Energy !'s advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Fast Energy ! ships an update every 5 weeks, Saq Engineer monthly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fast Energy ! | Saq Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (12 ratings)](https://appshunter.io/ios/app/fast-energy/id1532063002/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 91 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CHAINA TEKHNOLODZHYS, TOV](https://appshunter.io/developer/1610982475) | [INNOVATIVE SECURITY SYSTEMS-ISS, TOO](https://appshunter.io/developer/1810992486) |

## What reviewers say

### Fast Energy !

[App page](https://appshunter.io/ios/app/fast-energy/id1532063002)

Rent a portable power bank from stations worldwide to charge your devices on the go. Locate stations on a map, scan a QR code to rent, and return it at any station globally. Earn bonuses and benefit from a loyalty program.

**Highlights:** Find rental stations on map, Get directions to stations, Scan QR code to rent, Bonuses and loyalty program, Return power bank anywhere

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

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient and easy to use app
- 🚀 Fast and efficient service
- 🗺️ Wide availability of power banks
- 💡 Solves battery issues
- 💰 Reasonable prices

**What reviewers complain about**

- 🔋 Power banks turn off early
- 🐛 Charging issues
- 💸 Unexpected charges
- ❌ Poor customer support
- 🚫 Difficulty with profile access

**Reported bugs**

- SMS confirmation not received
- App does not work for registration
- Submit button not working
- Cannot link some bank cards
- Unable to make payment through Apple Pay

**Requested features**

- Add Apple Pay support
- Implement wireless chargers


### Saq Engineer

[App page](https://appshunter.io/ios/app/saq-engineer/id6775735537)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast Energy ! free?

Fast Energy ! is free to download, with no in-app purchases.

### Is Saq Engineer free?

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

### Do Fast Energy ! or Saq Engineer have ads?

Fast Energy ! shows ads; Saq Engineer does not.

### Which is updated more often, Fast Energy ! or Saq Engineer?

Fast Energy ! ships an update every 5 weeks, and Saq Engineer monthly. Most recently, Fast Energy ! was updated on October 16, 2026 and Saq Engineer on October 8, 2026.

---

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