# TeraWave vs E

The clearest difference is update cadence: TeraWave at every 2 months against E's every 10 months. E's advantage is iOS requirement (11.0 vs 15.5). On price, ads, 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.

TeraWave ships an update every 2 months, E every 10 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | TeraWave | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/terawave/id1590736687/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | — |
| Size | 68 MB | 29 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Massoud Tohidian](https://appshunter.io/developer/1590666661) | [Umar Jalil Malik](https://appshunter.io/developer/1699051906) |

## What reviewers say

### TeraWave

[App page](https://appshunter.io/ios/app/terawave/id1590736687)

Connects to your Bluetooth scale to automatically record weight measurements. It enhances your scale's ability to track anthropometric indicators by sending necessary data.

**Highlights:** Bluetooth scale connection, Automatic weight recording, Anthropometric indicator measurement, Data synchronization with scale

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-docssecure-your-documents/id6452803142)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TeraWave free?

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

### Is E free?

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

### Do TeraWave or E have ads?

Neither TeraWave nor E shows ads.

### Which is updated more often, TeraWave or E?

TeraWave ships an update every 2 months, and E every 10 months. Most recently, TeraWave was updated on October 2, 2026 and E on September 26, 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.*