# NMR Solvent Peaks vs Sticky Widgets

The clearest difference is review sentiment: NMR Solvent Peaks at 100% against Sticky Widgets's 40%. NMR Solvent Peaks also leads on in-app purchases (none vs 9) and rating (5.0 vs 4.6). Sticky Widgets's advantage is update cadence (every 2 weeks vs every 3 months) and ratings volume (30K vs 11). On price, ads and device support there is nothing between them.

Both are free to download. Sticky Widgets sells 9 in-app purchases, starting at $1.49 per month. NMR Solvent Peaks asks for nothing beyond the download.

NMR Solvent Peaks holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Sticky Widgets has 30K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 100% of NMR Solvent Peaks's written reviews are positive against 40% of Sticky Widgets's.

NMR Solvent Peaks ships an update every 3 months, Sticky Widgets every 2 weeks. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | NMR Solvent Peaks | Sticky Widgets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/nmr-solvent-peaks/id1293462223/reviews)** | [4.6 (30K ratings)](https://appshunter.io/ios/app/sticky-widgets/id1533254320/reviews) |
| Number of ratings | 11 | **30K** |
| Positive reviews | **100.0% of reviews** | 40.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 101 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Moore](https://appshunter.io/developer/1293462222) | [1881 Digital, LLC](https://appshunter.io/developer/1332213954) |

## 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


### Sticky Widgets

[App page](https://appshunter.io/ios/app/sticky-widgets/id1533254320)

Easily add customizable sticky notes to your home and lock screens. Sync notes across devices with iCloud and integrate with Siri and Shortcuts. Unlock advanced features like custom colors and reminders with an optional upgrade.

**Highlights:** Home screen widgets, Lock screen pinning, iCloud sync, Siri and Shortcuts integration, Customizable appearance, Multiple widget sizes

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade - Monthly | $1.49 | per month |
| Upgrade - Monthly | $2.49 | per month |
| Upgrade - Quarterly | $2.99 | per 3 months |
| Upgrade - Quarterly | $4.99 | per 3 months |
| Upgrade - Annual | $8.99 | per year |
| Upgrade - Annual | $14.99 | per year |
| Classic | $2.99 | one-time |
| Upgrade - One-Time Option | $19.99 | one-time |
| Upgrade - One-Time Option | $34.99 | one-time |

**What reviewers like**

- 📋 Convenient and handy widget
- 🔍 Helpful for reminders and lists
- 💻 Works well as a digital sticky note
- 🎨 Customizable colors and fonts
- 💰 Affordable one-time payment

**What reviewers complain about**

- 🔋 Battery drain issues
- 🐛 Disappearing notes
- 📝 Difficulty editing and saving notes
- 💰 Paid features required for full functionality
- 🔍 Confusing note ID management

**Reported bugs**

- Notes randomly disappearing
- Editing issues where changes don't save
- Widgets not updating properly
- Crashes and freezes after recent updates

**Requested features**

- Add checklist functionality
- Improve syncing across devices
- Allow rearranging of notes
- Provide better note organization options
- Add support for more languages


## Frequently asked questions

### Is NMR Solvent Peaks free?

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

### Is Sticky Widgets free?

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

### Which has better reviews, NMR Solvent Peaks or Sticky Widgets?

NMR Solvent Peaks is rated higher. NMR Solvent Peaks averages 5.0 out of 5 from 11 ratings, while Sticky Widgets averages 4.6 from 30K ratings.

### Do NMR Solvent Peaks or Sticky Widgets have ads?

Neither NMR Solvent Peaks nor Sticky Widgets shows ads.

### Which is updated more often, NMR Solvent Peaks or Sticky Widgets?

NMR Solvent Peaks ships an update every 3 months, and Sticky Widgets every 2 weeks. Most recently, NMR Solvent Peaks was updated on November 3, 2026 and Sticky Widgets on November 11, 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.*