Casting Defect vs Units
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Casting Defect
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Why not use your mobile phone for more consistent castings ? Count and archive casting defects and personalize built-in process solutions.
Units
Easily convert between a wide range of measurement units and currencies. Features a clear and simple interface for quick conversions of length, mass, volume, speed, and more. Supports popular currencies and common units for everyday use.
- Extensive unit conversions
- Multiple currency support
- Easy and clear handling
- Converts length, mass, volume
- Supports speed, area, pressure
- Converts time and temperature
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Unit converter with many different units of measurement and currencies. Very easy handling. Clearly arranged. The most important units are amongst others: - Currencies: United States dollar, Euro, Japanese yen, Pound sterling - Length: Mile, kilometer, meter, inch - Mass: Kilogram, pound, ounce, gram - Volume: Liter, gallon (several) - Speed - Area - Units of information - Pressure - Power - Time - Temperature Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Casting Defect at none against Units's 3. Units's advantage is update cadence (every 5 weeks vs every 14 months) and device support (4 vs 1). On price, ads and iOS requirement 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. Units sells 3 in-app purchases, starting at $0.99 per month. Casting Defect asks for nothing beyond the download.
Casting Defect ships an update every 14 months, Units every 5 weeks. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.
| Parameter | Casting Defect | Units |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (262 ratings) — better |
| Positive reviews | — | 45.5% of reviews |
| Number of ratings | — | 262 — better |
| Update frequency | Every 14 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 129 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Solutions Fonderie | Andreas Maier |
In-app purchases
Casting Defect
No in-app purchases
Units
- Monthly7 Days trial$0.991 Month
- Yearly7 Days trial$4.991 Year
- One time purchase$9.99
