# NMR Solvent Peaks vs T.L.C. to Flash & Prep

The clearest difference is update cadence: NMR Solvent Peaks at every 3 months against T.L.C. to Flash & Prep's every 19 months. 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.

NMR Solvent Peaks ships an update every 3 months, T.L.C. to Flash & Prep every 19 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | NMR Solvent Peaks | T.L.C. to Flash & Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/nmr-solvent-peaks/id1293462223/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 19 months |
| Monetization | Free | — |
| Size | 1 MB | 76 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Moore](https://appshunter.io/developer/1293462222) | [Interchim](https://appshunter.io/developer/1654514373) |

## What reviewers say

### NMR Solvent Peaks

[App page](https://appshunter.io/ios/app/nmr-solvent-peaks/id1293462223)

This utility helps organic chemists quickly identify potential impurities by searching a database of NMR data. Users can input solvent, peak multiplicity, and location to find candidate impurities. It supports both proton and carbon data searches.

**Highlights:** Search for impurities by mode, solvent, multiplicity, and ppm, View alphabetical list of all impurities, Adjust user interface handedness, Select color themes, Supports proton and carbon NMR data

**In-app purchases:** none


### T.L.C. to Flash & Prep

[App page](https://appshunter.io/ios/app/tlc-to-flash-and-prep/id6444412611)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NMR Solvent Peaks free?

NMR Solvent Peaks is free to download, with no in-app purchases.

### Is T.L.C. to Flash & Prep free?

T.L.C. to Flash & Prep is free to download, with no in-app purchases.

### Do NMR Solvent Peaks or T.L.C. to Flash & Prep have ads?

Neither NMR Solvent Peaks nor T.L.C. to Flash & Prep shows ads.

### Which is updated more often, NMR Solvent Peaks or T.L.C. to Flash & Prep?

NMR Solvent Peaks ships an update every 3 months, and T.L.C. to Flash & Prep every 19 months. Most recently, NMR Solvent Peaks was updated on November 3, 2026 and T.L.C. to Flash & Prep 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.*