# Unit Converter - Convert all — user reviews

> 536 indexed App Store user reviews of Unit Converter by oWorld Software, rated 4.60/5 from 13,462 ratings.

- Source: https://appshunter.io/ios/app/unit-converter-convert-all/id417794697/reviews
- App overview in markdown: https://appshunter.io/ios/app/unit-converter-convert-all/id417794697.md
- Rating breakdown: 5★ 10,678 · 4★ 1,438 · 3★ 545 · 2★ 207 · 1★ 594

## What do users think of Unit Converter?

Overall sentiment: mixed

**Pros**

- 🚀 Easy to use
- 🚀 Comprehensive unit conversions
- 👍 Helpful app
- 👍 Practical for engineering and mechanics
- 👍 Intuitive interface
- 👍 Extremely useful
- 👍 Convenient and always available

**Cons**

- 🔍 Too many ads
- 🔍 Ads make the app unusable
- 🔍 Ads are invasive and disrupt user experience
- 💰 Expensive subscription for ad-free version
- 🐛 Crashes and stability issues
- 🔍 Ads block access to features

**Commonly reported bugs**

- Conversion calculations are sometimes inaccurate
- Inability to enter decimal values in some conversions
- Compatibility issues with newer devices

**Most requested features**

- Dark mode option
- Favorites/frequently used units
- Improved ad-supported free version
- More customization options

## Newest reviews (15 of 536)

### 2/5 — Ads are far too obtrusive and very hard to find how to close

*2026-08-10, version 3.0.22*

Ads are far too obtrusive and very hard to find how to close. Shame because otherwise appears to be a good app. Because I use conversion so infrequently I really don’t want to pay ad free.

### 4/5 — Schneller praktischer Umrechner

*2026-08-02*

Passende App z.B. für Nawi-Unterricht und fürs schnelle Umrechnen zwischen den Einheiten;
Grund für -1 Stern: zu häufige Werbung, die die Umrechnung für ca. 5 s unterbricht

### 3/5 — Good

*2026-07-28, version 3.0.21*

Would be better rated if not for the intrusive advertising.

### 4/5 — Frustrated

*2026-07-22*

This is a wonderful and valuable app that I use frequently but the ad’s are killing it for me.

### 5/5 — Love love love

*2026-07-14, version 3.0.21*

This app is the best. I use it to figure out what to charge for my paintings, how much product I use, converting German recipes.. all kind of this. Even money conversion in real time !! It’s the most useful app I have!!

### 5/5 — Very useful App.

*2026-07-11*

I’ve found it be very useful to convert different measurements especially when travelling where units vary from home. Particularly wind speeds, temperature & weight. The currency converter is also brilliant. 
Love it. ✅

### 5/5 — Easy and Comprehensive

*2026-07-06, version 3.0.18*

The possible measurements for conversion should be enough for most people and the units to convert to are comprehensive.

Good that there is only one advert to navigate past.

### 5/5 — Perfection

*2026-07-06*

Perfect app for all your conversion needs. I use it all the time

### 5/5 — Conversion

*2026-07-05, version 3.0.18*

This is very convenient and effective to use for conversion between kilometers miles, etc. and easy to read and used menu

### 5/5 — Great coverter

*2026-07-04, version 3.0.18*

It’s my go to converter that I use when I need to convert anything

### 3/5 — Loved the Original app

*2026-06-30, version 3.0.17*

When I first got this app years ago, it was ads free now when I need to do a quick conversion these ads get all up in my way

### 5/5 — Must-have tool

*2026-06-27, version 3.0.17*

Just amazing! Totally fair annual fee. I recommend the free trial.

### 5/5 — Very convenient!

*2026-06-26, version 3.0.17*

Very convenient! I use this all the time.

### 5/5 — Brilliant

*2026-06-25*

I love using this especially as I still work out life in feet and inches also
Pounds and ounces .  Very useful also when having to converse measurement for the home

### 3/5 — Petit problème

*2026-06-24*

Je trouve qu’il y a beaucoup trop d’annonces il faudrait réduire légèrement le nombre de pub

**Developer response:** Merci pour votre retour, et désolé pour la gêne. La publicité finance la version gratuite ; vos remarques sur la fréquence et la durée sont bien notées. L'option Premium les supprime complètement.

## Most critical reviews (10 lowest-rated)

### 1/5 — To many adds

*2026-08-16, version 3.0.22*

The adds make it unusable!  Yes it’s free, yes the developers should earn something!  But come on!!!!

### 1/5 — Volume and length are NOT the same.

*2026-07-29, version 3.0.21*

Doesn’t show proper measurements with the category I’m selecting.

### 1/5 — I can’t upgrade

*2026-07-15, version 3.0.21*

I want to upgrade but app won’t let me login

### 1/5 — Doesn’t work

*2026-07-05, version 3.0.18*

I have not been able to make any entries, either C or F for conversion. There must be an on/off switch somewhere but Has eluded me.

### 1/5 — You blow!

*2026-06-28, version 3.0.17*

Entrapment!

### 1/5 — Too much ads. Waste app

*2026-06-20*

Too much ads. Waste app

**Developer response:** Thanks for your feedback, and sorry for the friction. Ads fund the free version; we've noted your point about their frequency and length. The Premium option removes them completely.

### 1/5 — Too much adverts waste of time

*2026-06-09, version 3.0.13*

Do not install, displays advert after advert, hardly any use

### 1/5 — Hopeless

*2026-05-24, version 3.0.11*

Does not convert cms to inches for instance

### 1/5 — Features

*2026-05-10, version 3.0.10*

The only feature I used in this app now it has been removed. Great job!

### 1/5 — Not worth it

*2026-05-01, version 3.0.10*

Excited to try the app, and was willing to try with ads for free.  However, I could even exit the ad when it finished to return to app.  I closed and reopened the app, only for another ad to pop up before I could even try it out.  I deleted the app immediately after.

## Most praised reviews (10 highest-rated)

### 5/5 — Convenient & easy

*2026-08-13*

Allows easy access to make quick conversations.

### 5/5 — Precise

*2026-08-13*

Good accuracy level is also a good

### 5/5 — So many options

*2026-08-07*

So handy to be able to convert quickly when building a business

### 5/5 — Love the unit converter app

*2026-08-06, version 3.0.21*

Excellent

### 5/5 — Trop pratique !

*2026-07-31*

À disposition pour comprendre et comparer les notices techniques des produits. Par exemple BTU versus kWh… Trop pratique !

### 5/5 — Très pratique

*2026-07-28*

Une application vraiment très pratique qui peut dépanner alors ce pas quotidiennement, mais en tout cas vraiment bien

### 5/5 — Yep

*2026-07-23, version 3.0.21*

It works just like books did.

### 5/5 — Nice app

*2026-07-21*

Best

### 5/5 — Great app

*2026-07-21, version 3.0.21*

I love this app, it’s so versatile when converting different things , wouldn’t be without e

### 5/5 — So useful!

*2026-07-20, version 3.0.21*

A really useful app for converting literally everything: mass / weights, temperatures, distances - soooooo many things, love it! 🙌🏼

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*