Calculator⁼ vs Programastat+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator⁼
This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
- Basic & Scientific Calculator
- Live Currency Converter
- History Tape
- Equation Edit Function
- Degrees or Radians Calculation
- Memory Banks
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Calculator is a clean, easy-to-use calculator app for everyday math and more. It handles basic calculations and scientific functions when you need them and keeps a history of your past results so you can quickly go back and check or reuse them. With its classic design, it feels familiar and straightforward—perfect for quick sums at work, school, or home. AVAILABLE FOR FREE • Basic & Scientific Calculator • Great Visibility; Big buttons for easy calculations • Live Currency Converter; get exchange rate prices • History Tape; Track all calculations, taxes, and expenses • Equation edit function • Calculate with Degrees or Radians • Memory Banks • Choose your Decimal Notation • Set the Number of Decimals • Available in 12 languages • Made for iPad & iPhone • Support Split View & Dark Mode BASIC AND SCIENTIFIC Rotate your device to access all scientific buttons. Or if you prefer calculating in portrait mode, simply swipe left. YOUR EXPERIENCE IS IMPORTANT TO US! As your experience is important to us, we’re happy with your feedback, questions, and suggestions. Please share any support as our team is always ready to help via support@impalastudios.com Mathematical Operations Addition, Subtraction, Division, Multiplication, Percentages, Square, Cubic Exponent, Nth Exponent, Square Root, Cubic Root, Nth Root, Engineering Exponent, Factorial, Power of Two, Power of Ten, Power of E, Natural Logarithm, Common Logarithm, Binary Logarithm, Sine, Cosine, Tangent, Arc Sine, Arc Cosine, Arc Tangent, Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tangent, Hyperbolic ArcSine, Hyperbolic Arc Cosine, Hyperbolic ArcTangent, Multiplicative Inverse, Random Number Input LOVING CALCULATOR? Please show your support by rating us! Thank you. Calculator (C) 2011 Impala Studios Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy
Programastat+
Easily program your central heating system remotely via your phone or tablet. Control 5 operating modes and set 6 timed temperature periods daily with repeating schedules. Requires a Timeguard TRTWiFi thermostat.
- Remote programming via 4G/WiFi
- 5 operating modes (auto, off, on, frost, holiday)
- 6 timed/temperature periods daily
- Daily repeating schedules
- Compatible with Timeguard TRTWiFi thermostat
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Programastat+ can be used to provide convenient easy programming of your central heating Changes to heating programs can be made on your phone or tablet, from any location, using 4G or WiFi. There are 5 operating modes, auto, off, on, frost, and holiday. There are 6 timed / temperature periods each day, with daily repeats. For use with Timeguard TRTWiFi thermostat.
Screenshots
Verdict
The clearest difference is review sentiment: Calculator⁼ at 36% against Programastat+'s 0%. Calculator⁼ also leads on update cadence (monthly vs every 19 months). Programastat+'s advantage is in-app purchases (none vs 8) and ads (none vs shown). On price 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. Calculator⁼ sells 8 in-app purchases, starting at $0.49 per 7 days. Programastat+ asks for nothing beyond the download.
Calculator⁼ ships an update monthly, Programastat+ every 19 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.
| Parameter | Calculator⁼ | Programastat+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (358K ratings) — better | — |
| Positive reviews | 36.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 358K — better | — |
| Update frequency | Monthly — better | Every 19 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 159 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Impala Studios | TIMEGUARD LTD |
Customer experience
Calculator⁼
Programastat+
Bugs and requests
Calculator⁼
Reported bugs
3 issues- History not always showing all entries
- Ads covering up parts of the screen
- Inability to close full-screen ads
Requested features
4 requests- Add fraction button
- Option to clear calculation history
- Ability to copy/paste results
- Customizable layout and themes
Programastat+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator⁼
- Weekly Premium Access3 Days trial$0.497 Days
- Monthly full access3 Days trial$1.991 Month
- Weekly Premium Access3 Days trial$1.997 Days
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- Limited Time Offer$4.991 Year
- Premium Yearly3 Days trial$5.991 Year
- Annual Premium Access$9.991 Year
- Retro Theme Calculator'$0.99
- Lifetime Full Access$14.99
Programastat+
No in-app purchases
Questions
Is Calculator⁼ free?
Is Programastat+ free?
Do Calculator⁼ or Programastat+ have ads?
Which is updated more often, Calculator⁼ or Programastat+?
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