# Ångström, the unit converter vs LessPass

The clearest difference is in-app purchases: LessPass at none against Ångström, the unit converter's 1. LessPass also leads on review sentiment (100% vs 84%). Ångström, the unit converter's advantage is rating (4.8 vs 4.5) and ratings volume (31 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ångström, the unit converter sells 1 one-off in-app purchase. LessPass asks for nothing beyond the download.

Ångström, the unit converter holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Ångström, the unit converter has 31 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 84% of Ångström, the unit converter's written reviews are positive against 100% of LessPass's, so the app with the better star average is not the one people write more warmly about.

Ångström, the unit converter ships an update every 3 months, LessPass every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ångström, the unit converter | LessPass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (31 ratings)](https://appshunter.io/ios/app/angstrom-the-unit-converter/id783839219/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/lesspass/id1531215924/reviews) |
| Number of ratings | **31** | 2 |
| Positive reviews | 84.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Babaev](https://appshunter.io/developer/783839222) | [Guillaume Vincent](https://appshunter.io/developer/1530253753) |

## What reviewers say

### Ångström, the unit converter

[App page](https://appshunter.io/ios/app/angstrom-the-unit-converter/id783839219)

Effortlessly convert units, currencies, and timezones with a fast, intuitive interface. Simply type a number and a few letters to get instant results, with smart suggestions and offline currency rates. Unlock additional features like timezone conversion through an in-app purchase.

**Highlights:** Instant conversion as you type, Dedicated numpad, Smart unit suggestions, Offline currency rates, Learns user conversion habits, Supports alternative unit spellings

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full unit pack | $1.99 | one-time |

**What reviewers like**

- 👍 Highly easy to use
- 🚀 Fast and efficient conversions
- 💡 Intuitive and clever design
- ✨ Beautiful and pleasant interface
- 🌟 The one ultimate converter needed

**What reviewers complain about**

- 🐛 Apple Watch app is dictation only
- 🐛 UI is beautiful but most units require payment
- 🐛 Lacks UK imperial measurements (pounds and ounces)
- 🐛 App name is hard to find
- 🐛 Incompatible with older devices (implied by older reviews)

**Reported bugs**

- Additional keyboard and unit selection are broken with iOS update
- App crashes after launch
- App asks to sign into iTunes account
- Conversions are wrong (e.g., 1 cup = 250ml)
- Apple Watch app is dictation only

**Requested features**

- Add grain (граны) as a unit of measurement
- Add UK imperial measurements (pounds and ounces)
- Add Kazakhstani Tenge typographic symbol (₸)
- Add time conversion from am/pm to 24-hour format
- Improve built-in keyboard and unit selection


### LessPass

[App page](https://appshunter.io/ios/app/lesspass/id1531215924)

This app generates unique, strong passwords for any website using a master password and site-specific information. It operates offline, eliminating the need for cloud synchronization or password vaults across devices.

**Highlights:** Offline password generation, Stateless operation, Unique password per site, No cloud sync required, Master password security

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

**In-app purchases:** none


## Frequently asked questions

### Is Ångström, the unit converter free?

Ångström, the unit converter is free to download, with in-app purchases available.

### Is LessPass free?

LessPass is free to download, with no in-app purchases.

### Which has better reviews, Ångström, the unit converter or LessPass?

Ångström, the unit converter is rated higher. Ångström, the unit converter averages 4.8 out of 5 from 31 ratings, while LessPass averages 4.5 from 2 ratings.

### Do Ångström, the unit converter or LessPass have ads?

Neither Ångström, the unit converter nor LessPass shows ads.

### Which is updated more often, Ångström, the unit converter or LessPass?

Ångström, the unit converter ships an update every 3 months, and LessPass every 2 months. Most recently, Ångström, the unit converter was updated on November 1, 2026 and LessPass 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.*