The Conversion App vs Uniter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Conversion App
This utility app offers a simple and powerful way to perform various unit conversions. It supports a wide range of categories and allows users to request new conversions to be added. Available on iPhone and iPad, it's designed for ease of use.
- Area conversion
- Data conversion
- Length conversion
- Speed conversion
- Time conversion
- Volume conversion
- Weight conversion
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By far the simplest, cleanest and most powerful unit conversion app available. Support for iPhone, iPad and Family Sharing. If you want a unit that isn't provided send a feedback email through the app and it will be added promptly. Currently Available Conversions: - Area - Data-computer data (byte, kilobyte, megabyte, etc.) - Fuel-milage - Length - Power - Pressure - Speed - Time (days, weeks, hours, etc.) - Volume - Weight - Acceleration - Energy - Cooking - Frequency - Temperature What's Coming Next? - Real-time currencies - Anything you ask for - Mac Support - Apple TV Support If you send a request for a new conversion type consider it done. Thank you icons8 designers for the icons.
Uniter
Effortlessly convert units of measurement directly within text, websites, or even through your camera. This utility automatically detects and converts units to your preferred system, supporting a vast array of measurement types.
- Automatic unit conversion
- Live side-by-side converter
- File import for conversion
- Camera text scanning
- Safari extension
- Extensive unit support
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Uniter makes units and currencies easy to understand, whether you’re cooking, traveling, shopping, or reading something from abroad. Convert a number, scan a photo, or change measurements throughout a piece of text. • CONVERT UNITS Enter a value and see its equivalents across hundreds of units. Search to find the unit you need, and let Uniter remember your preferred target unit for next time. • CONVERT CURRENCIES Choose two currencies, enter an amount, and convert with updated exchange rates. Swap currencies with a tap and check the rate date. • KEEP CONVERSIONS CLOSE Add nine free, customizable Home Screen widgets: Conversion Card, Currency Card, Distances, and more. Choose your units and amounts, then tap a widget to open its conversion in Uniter. • RETURN TO YOUR FAVORITES Pin frequently used unit and currency pairs for quick access, or pick up where you left off with recent conversions. • COPY RESULTS EASILY Copy a result with one tap. Touch and hold for additional formats, including the value with its unit or currency. • CONVERT UNITS IN TEXT Let Uniter find measurements in text and convert them to your preferred measurement system. • SCAN WITH YOUR CAMERA Point your camera at text or choose a photo to convert the measurements it contains. • USE UNITER IN SAFARI Convert units on webpages with Uniter’s Safari extension. UNITER PRO Unlock unlimited unit conversions, text conversion, camera and photo scanning, Safari conversion, and access to your full recent history of up to 100 units and 100 currency pairs. Privacy Policy: https://uniterapp.com/privacypolicy/ Terms of Use: https://uniterapp.com/terms/
Screenshots
Verdict
The clearest difference is rating: Uniter at 4.7 against The Conversion App's 4.1. Uniter also leads on update cadence (every 4 days vs every 5 weeks) and review sentiment (67% vs 45%). The Conversion App's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 26.0). On price, ratings volume, ads 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. Uniter sells 3 in-app purchases, starting at $3.99 per month. The Conversion App asks for nothing beyond the download.
Uniter holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 61 and 74 respectively. Written reviews point the same way: 45% of The Conversion App's written reviews are positive against 67% of Uniter's.
The Conversion App ships an update every 5 weeks, Uniter every 4 days. Both last shipped on November 3, 2026.
| Parameter | The Conversion App | Uniter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (61 ratings) | 4.7 (74 ratings) — better |
| Positive reviews | 45.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 61 | 74 — better |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 17 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Sparrow Development LLC | Arkadiusz Holko |
Customer experience
The Conversion App
Uniter
In-app purchases
The Conversion App
No in-app purchases
Uniter
- Uniter Pro (Monthly)$3.991 Month
- Uniter Pro (Annual)7 Days trial$14.991 Year
- Uniter Pro (Lifetime)$39.99
Questions
Is The Conversion App free?
Is Uniter free?
Which has better reviews, The Conversion App or Uniter?
Do The Conversion App or Uniter have ads?
Which is updated more often, The Conversion App or Uniter?
Other comparisons
