# e vs SOLAR MAXX TECH

The clearest difference is device support: SOLAR MAXX TECH at 3 against e's 1. SOLAR MAXX TECH also leads on iOS requirement (8.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

e ships an update every 4 months, SOLAR MAXX TECH every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | e | SOLAR MAXX TECH |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 50 MB | 60 MB |
| Requires iOS | 18.6 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CONSELHO FEDERAL DOS TECNICOS INDUSTRIAIS](https://appshunter.io/developer/1553345208) | [AsianPowerDevicesInc](https://appshunter.io/developer/1214788661) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-tecnico-crt/id1499232151)

Access professional registration information and a digital identification card for industrial technicians. Authenticate your digital ID using a QR code and receive important notifications.

**Highlights:** Professional registration data, Digital identification card, QR code authentication, Receive notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### SOLAR MAXX TECH

[App page](https://appshunter.io/ios/app/solar-maxx-tech/id1670048824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is SOLAR MAXX TECH free?

SOLAR MAXX TECH is free to download, with no in-app purchases.

### Do e or SOLAR MAXX TECH have ads?

Neither e nor SOLAR MAXX TECH shows ads.

### Which is updated more often, e or SOLAR MAXX TECH?

e ships an update every 4 months, and SOLAR MAXX TECH every 6 months. Most recently, e was updated on November 3, 2026 and SOLAR MAXX TECH on November 3, 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.*