# Calculator⁼ vs Programastat+

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.

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.

## The numbers

| Metric | Calculator⁼ | Programastat+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (358K ratings)](https://appshunter.io/ios/app/calculator/id487127942/reviews)** | — |
| Number of ratings | **358K** | — |
| Positive reviews | **36.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 159 MB | 38 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [TIMEGUARD LTD](https://appshunter.io/developer/1204680293) |

## What reviewers say

### Calculator⁼

[App page](https://appshunter.io/ios/app/calculator/id487127942)

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.

**Highlights:** Basic & Scientific Calculator, Live Currency Converter, History Tape, Equation Edit Function, Degrees or Radians Calculation, Memory Banks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $0.49 | per 7 days |
| Monthly full access | $1.99 | per month |
| Weekly Premium Access | $1.99 | per 7 days |
| Limited Time Offer | $4.99 | per year |
| Premium Yearly | $5.99 | per year |
| Annual Premium Access | $9.99 | per year |
| Retro Theme Calculator' | $0.99 | one-time |
| Lifetime Full Access | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 📊 Helpful history feature
- 💻 Versatile (basic and scientific)
- 🔍 Clear display and large buttons

**What reviewers complain about**

- 🤖 Intrusive and excessive ads
- 💰 Subscription model for ad-free version
- 🔄 Ads interrupting calculations
- 🕰️ Slow performance due to ads

**Reported bugs**

- History not always showing all entries
- Ads covering up parts of the screen
- Inability to close full-screen ads

**Requested features**

- Add fraction button
- Option to clear calculation history
- Ability to copy/paste results
- Customizable layout and themes


### Programastat+

[App page](https://appshunter.io/ios/app/programastat-plus/id1331389599)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator⁼ free?

Calculator⁼ is free to download, with in-app purchases available.

### Is Programastat+ free?

Programastat+ is free to download, with no in-app purchases.

### Do Calculator⁼ or Programastat+ have ads?

Calculator⁼ shows ads; Programastat+ does not.

### Which is updated more often, Calculator⁼ or Programastat+?

Calculator⁼ ships an update monthly, and Programastat+ every 19 months. Most recently, Calculator⁼ was updated on September 25, 2026 and Programastat+ on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*