Basic Calculator+ vs Quakes Today
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Basic Calculator+
Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.
- Basic four functions
- Clear display
- Large buttons
- Portrait and landscape modes
- iPad compatible
Read full descriptionHide full description
This simple calculator with a clear display and large buttons makes calculations easy. Portrait and landscape modes both available on iPad. This app uses the basic functions of the calculator to make the simplest, best, free calculator in the app store.
Quakes Today
This app provides a quick and easy summary of global earthquake activity from the past 24 hours. Filter and sort quakes by various criteria, view details on an interactive map, and visualize swarms in real-time. A PRO version offers advanced features like time-based animations and custom location teleportation.
- 24-hour global earthquake summary
- Filter and sort by place, magnitude, time, and distance
- Interactive map with event details
- Real-time earthquake swarm visualization
- Timeline feature for at-a-glance snapshots
- Time Machine animation (PRO)
- Customizable location teleportation (PRO)
Read full descriptionHide full description
QUAKES TODAY gives you a quick, easy to read summary of the last 24 hours of earthquake activity around the globe. You can filter and sort quakes by place, magnitude, event time, location and distance from you. Tap on any quake in the list for details and an interactive map. Visualize earthquake swarms in real time with new cluster mode, and jump from one event to another quickly and easily. The new TIMELINE feature displays a snapshot of earthquakes at a glance. Tap on a peg to scroll down the list to the corresponding event. QUAKES TODAY is the perfect app for those living in quake country, as well as anyone interested in seismology. Was there a quake today? Pull up QUAKES TODAY and have a look. Data is refreshed every five minutes, keeping you up to date around the clock. QUAKES TODAY PRO in-app purchase gives unlimited use of features: + TIME MACHINE displays a time-based animation of all earthquake activity on the map. Adjustable playback speed and rate. + TELEPORTER allows you to customize your location to any point on the globe. You can save your favorite teleport locations to check in on activity near your family and friends.
Screenshots
Verdict
The clearest difference is in-app purchases: Basic Calculator+ at none against Quakes Today's 1. Basic Calculator+ also leads on ratings volume (260K vs 8) and device support (4 vs 2). Quakes Today's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, rating, review sentiment and monetization model 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. Quakes Today sells 1 one-off in-app purchase. Basic Calculator+ asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Basic Calculator+ against 5.0 for Quakes Today. That said, the two scores are not equally well evidenced: Basic Calculator+ has 260K ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 87% of Basic Calculator+'s written reviews are positive against 80% of Quakes Today's.
Basic Calculator+ ships an update every 4 months, Quakes Today every 3 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.
| Parameter | Basic Calculator+ | Quakes Today |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (260K ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 87.4% of reviews — better | 80.0% of reviews |
| Number of ratings | 260K — better | 8 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Best Free Apps | Jim Marquardt |
Customer experience
Basic Calculator+
Quakes Today
Bugs and requests
Basic Calculator+
Reported bugs
2 issues- Incorrect calculation results
- Ads covering the screen
Requested features
3 requests- Add fraction button
- Implement order of operations
- Include memory function
Quakes Today
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Basic Calculator+
No in-app purchases
Quakes Today
- Quakes Today Pro$0.99
Questions
Is Basic Calculator+ free?
Is Quakes Today free?
Which has better reviews, Basic Calculator+ or Quakes Today?
Do Basic Calculator+ or Quakes Today have ads?
Which is updated more often, Basic Calculator+ or Quakes Today?
Other comparisons
