m/z vs Lab Rec
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.
Lab Rec
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Easily record and share your experimental information and data. It's convenient for organizing experiment data. Includes a periodic table. Includes unit explanations. Temperature icon: Freepik - Flaticon Atmosphere icon: Freepik - Flaticon Research icon: Eucalyp - Flaticon Scale icons created by Konkapp - Flaticon Ampere icons created by madness - Flaticon Icon icon: Freepik - Flaticon Ruler icons created by Aranagraphics - Flaticon Periodic table icons created by Freepik - Flaticon Chemistry icons created by Freepik - Flaticon Graduated cylinder icons created by Freepik - Flaticon Notes icons created by Freepik - Flaticon Rocket icons created by Freepik - Flaticon Books icons created by Freepik - Flaticon
Screenshots
Verdict
The clearest difference is update cadence: Lab Rec at every 2 days against m/z's every 5 weeks. m/z's advantage is iOS requirement (6.0 vs 11.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
m/z ships an update every 5 weeks, Lab Rec every 2 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.
| Parameter | m/z | Lab Rec |
|---|---|---|
| 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 | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 3.6 GB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Kirill Blinov | TaeJin Kang |
In-app purchases
m/z
No in-app purchases
Lab Rec
No in-app purchases
