m/z vs Meta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
m/z
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.
- 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
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Find chemical structure by exact mass (m/z). Instant search in a database of known structures with exact mass less than 340 Da (about 35 million) created from PubChem compounds database.
Meta
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Meta is a simple experiment manager that lets you take notes using the Scientific Method format: 1. Observation 2. Question 3. Hypothesis 4. Prediction 5. Experiment 6. Conclusion Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: m/z at none against Meta's 2. m/z also leads on iOS requirement (6.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Meta sells 2 in-app purchases, starting at $9.99 per month. m/z asks for nothing beyond the download.
m/z ships an update every 5 weeks, Meta every 2 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.
| Parameter | m/z | Meta |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 3.6 GB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Kirill Blinov | Renasnce Studios Ltd |
In-app purchases
m/z
No in-app purchases
Meta
- Meta Month$9.991 Month
- Meta Year$99.991 Year
