# m/z vs VoiceView

The clearest difference is rating: VoiceView at 5.0 against m/z's 3.6. VoiceView also leads on update cadence (every 5 days vs every 5 weeks). m/z's advantage is in-app purchases (none vs 3) and iOS requirement (6.0 vs 18.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. VoiceView sells 3 in-app purchases, starting at $4.99 per month. m/z asks for nothing beyond the download.

VoiceView holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

m/z ships an update every 5 weeks, VoiceView every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | m/z | VoiceView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/mz/id1117272212/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/voiceview/id6758027229/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 3.6 GB | 28 MB |
| Requires iOS | **6.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [AppBlit LLC](https://appshunter.io/developer/295536769) |

## What reviewers say

### m/z

[App page](https://appshunter.io/ios/app/mz/id1117272212)

Instantly search a vast database of chemical structures based on their exact mass. This tool helps identify compounds with masses under 340 Da, drawing from millions of entries.

**Highlights:** Find chemical structures by exact mass, Search database of known structures, Database includes over 35 million compounds, Supports masses under 340 Da, Utilizes PubChem compounds database

**Features:** macOS Compatibility

**In-app purchases:** none


### VoiceView

[App page](https://appshunter.io/ios/app/voiceview/id6758027229)

Instantly condense web pages, videos, documents, and social media posts into concise summaries. Listen to these key points in a natural voice, allowing you to stay informed without needing to read.

**Highlights:** Summarize web pages, Summarize YouTube videos, Summarize PDFs, Summarize Google Docs, Summarize X threads, Read summaries aloud, Share to summarize

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $4.99 | per month |
| Yearly Unlimited | $49.99 | per year |
| VoiceView PRO | $3.99 | one-time |


## Frequently asked questions

### Is m/z free?

m/z is free to download, with no in-app purchases.

### Is VoiceView free?

VoiceView is free to download, with in-app purchases available.

### Which has better reviews, m/z or VoiceView?

VoiceView is rated higher. m/z averages 3.6 out of 5 from 5 ratings, while VoiceView averages 5.0 from 2 ratings.

### Do m/z or VoiceView have ads?

Neither m/z nor VoiceView shows ads.

### Which is updated more often, m/z or VoiceView?

m/z ships an update every 5 weeks, and VoiceView every 5 days. Most recently, m/z was updated on November 2, 2026 and VoiceView on October 31, 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.*