Overdrive Now vs Big Button Calculator Pro Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Overdrive Now
Connect to your vehicle remotely using this integrated cloud solution. Monitor and control your car's functions directly from your smart device.
- Integrated cloud solution
- Connect to vehicle
- Remote control from smart device
- Monitor vehicle functions
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Overdrive is a fully integrated cloud solution that allows you to connect to your vehicle from your smart device. *Continued use of GPS running in the background can dramatically decrease battery life.
Big Button Calculator Pro Lite
A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.
- Large buttons
- Dual-line display
- 18 color themes
- Multi-line input
- Gesture controls
- VoiceOver accessibility
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This is THE BEST calculator for iOS with big buttons and colorful backgrounds! This version is ad supported. ・Dual-line display - shows the input and result at the same time ・Percentage and backspace button ・18 color themes ・Multi-line input for really long equations ・Automatic scientific formatting ・VoiceOver accessibility ・Split View Gestures ・Swipe left on the display to backspace ・Swipe right on the display to clear ・Tap & hold on the result to copy ・Tap & hold on the input to move the cursor, copy, paste Customize ・Color Theme ・Sound URL Scheme: bigcalculatorpro://
Screenshots
Verdict
The clearest difference is rating: Big Button Calculator Pro Lite at 4.7 against Overdrive Now's 2.8. Big Button Calculator Pro Lite also leads on ratings volume (14K vs 4). Overdrive Now's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Big Button Calculator Pro Lite holds the better App Store score, 4.7 against 2.8. That said, the two scores are not equally well evidenced: Big Button Calculator Pro Lite has 14K ratings behind it against 4, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.
| Parameter | Overdrive Now | Big Button Calculator Pro Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (4 ratings) | 4.7 (14K ratings) — better |
| Positive reviews | — | 82.7% of reviews |
| Number of ratings | 4 | 14K — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.3 — better | 15.2 |
| Further details — not scored | ||
| Size | 6 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Covexis Pte Ltd | Cider Software LLC |
Customer experience
Overdrive Now
Big Button Calculator Pro Lite
Bugs and requests
Overdrive Now
Not enough reviews yet to summarise bugs or requests.
Big Button Calculator Pro Lite
Reported bugs
2 issues- Occasionally shows answer before calculation is complete
- Rounding issues leading to inaccurate results
Requested features
4 requests- Add more background options
- Allow custom background uploads
- Add option to change button colors
- Improve ad experience or offer ad-free version
In-app purchases
Overdrive Now
No in-app purchases
Big Button Calculator Pro Lite
No in-app purchases
Questions
Is Overdrive Now free?
Is Big Button Calculator Pro Lite free?
Which has better reviews, Overdrive Now or Big Button Calculator Pro Lite?
Do Overdrive Now or Big Button Calculator Pro Lite have ads?
Which is updated more often, Overdrive Now or Big Button Calculator Pro Lite?
Other comparisons
