Convert vs RubberSource
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Convert
Easily convert hundreds of physical units and dimensions with this powerful tool. It also includes a currency converter with daily updated exchange rates for over 130 countries and is available on Apple Watch.
- Unit conversion for 398 units
- Currency conversion with daily rates
- Integrated calculator
- Apple Watch support
- History charts for currencies
- Copy & Paste functionality
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A simple but powerful unit converter. Translates hundreds of physical units and dimensions quickly and easily. The currency converter features daily updated exchange rates for over 130 countries. CUSTOMER REVIEWS: 4½ (over 1000 reviews world wide) *** Apple Watch *** We bring the converter including currency exchange rates to your Apple Watch. Convert units and currencies directly on your watch. TOP FEATURES: ▶ Intuitive and efficient user interface ▶ A total of 398 units in 17 categories ▶ Shoe size conversion ▶ Calculator ▶ Daily updated currency converter ▶ History charts for all currencies ▶ Push notifications for currencies ▶ Univeral iPhone/iPad app ▶ Landscape support for iPad ▶ Copy & Paste ▶ Drag'n Drop your favorites to the toolbar ▶ Frequent free updates CATEGORIES: ▶ Currency ▶ Length ▶ Weight ▶ Temperature ▶ Speed ▶ Energy ▶ Angle ▶ Pressure ▶ Time ▶ Volume ▶ Area ▶ Power ▶ Data ▶ Torque ▶ Radioactivity ▶ Fuel consumption ▶ Force ▶ Shoe size ▶ Calculator Available upgrades with subscriptions: * 'Advanced features': $0.99 per 6 months No ADs, Currency Exchange Rates, Charts - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. Privacy policy: https://www.bitcommander.ch/privacy-policy Terms of use: https://www.bitcommander.ch/terms-of-use-convertit
RubberSource
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RubberSource provides a complete lining system, technical service, material, cement, and repair material. This slide rule contains chemical resistance ratings that have been developed from various sources. The purpose of this data is to help you narrow the choice of materials when selecting the proper liner for your specific needs. For the best recommendations on specifying all your rubber linings, please check with RubberSource’s technical department. Allow a safety margin beyond the most extreme conditions you expect. Wear due to abrasion, impact, and temperature extremes.
Screenshots
Verdict
The clearest difference is in-app purchases: RubberSource at none against Convert's 2. RubberSource also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, device support 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. Convert sells 2 in-app purchases, starting at $0.99 per 6 months. RubberSource asks for nothing beyond the download.
Convert ships an update every 3 months, RubberSource every 3 weeks. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.
| Parameter | Convert | RubberSource |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (126 ratings) — better | — |
| Positive reviews | 69.8% of reviews | — |
| Number of ratings | 126 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 12.3 |
| Further details — not scored | ||
| Size | 39 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Raphael Odermatt | Avanaire Design, LLC |
In-app purchases
Convert
- Advanced Features3 Days trial$0.996 Months
- Advanced Features$1.99
RubberSource
No in-app purchases
Questions
Is Convert free?
Is RubberSource free?
Do Convert or RubberSource have ads?
Which is updated more often, Convert or RubberSource?
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