# Calculate84 vs Debunk Hasbara

The clearest difference is ads: Debunk Hasbara at none against Calculate84's shown. Debunk Hasbara also leads on iOS requirement (16.0 vs 18.0). Calculate84's advantage is chart position (#102 vs unranked). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Calculate84 sells 6 in-app purchases, starting at $2.99 per month and Debunk Hasbara sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Calculate84 ships an update fortnightly, Debunk Hasbara every 2 weeks. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Calculate84 | Debunk Hasbara |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (54K ratings)](https://appshunter.io/ios/app/calculate84/id1459712793/reviews)** | — |
| Number of ratings | **54K** | — |
| Positive reviews | 74.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#102** | — |
| Size | 71 MB | 20 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Century Light LLC](https://appshunter.io/developer/1459712792) | [Yasmina IT and Development LLC](https://appshunter.io/developer/1893009136) |

## What reviewers say

### Calculate84

[App page](https://appshunter.io/ios/app/calculate84/id1459712793)

**Currently charting:** #102 Top Free · Education (US App Store)

This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.

**Highlights:** Fast, interactive touch-screen graphing, Scrollable windows, Intelligent error messages, Intuitive interface, Designed for TI-84 users

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $2.99 | per month |
| Annual Pro Subscription | $6.99 | per year |
| Lifetime Subscription | $6.99 | one-time |
| Lifetime Subscription | $9.99 | one-time |
| Lifetime Subscription | $12.99 | one-time |
| Lifetime Pro Subscription | $29.99 | one-time |

**What reviewers like**

- 👍 Identical to TI-84 calculator
- 🚀 Seamless and intuitive user experience
- 💰 Affordable alternative to physical calculator
- 📱 Convenient to have on phone
- 🔍 Comprehensive functionality matching physical calculator

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Missing some advanced features like regression types
- 🔒 Previous purchases removed without warning
- 💰 Subscription model can be expensive
- 📺 Intrusive ads in free version

**Reported bugs**

- Crashes when using 2-sample T/Z interval functions
- Incorrect results for inverse trig functions
- Issues with graphing parabolas and tracing points
- Regression equation not displayed correctly

**Requested features**

- Add TVM solver functionality
- Implement more regression types
- Allow disabling of ads for free users
- Restore previous purchase benefits
- Optimize for mobile experience instead of emulating physical calculator


### Debunk Hasbara

[App page](https://appshunter.io/ios/app/debunk-hasbara/id6762123088)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar | $4.99 | one-time |
| Medium Tip | $9.99 | one-time |
| Generous Tip | $19.99 | one-time |
| Super Tip | $49.99 | one-time |
| Mega Tip | $99.99 | one-time |
| Super Mega Tip | $1000.00 | one-time |


## Frequently asked questions

### Is Calculate84 free?

Calculate84 is free to download, with in-app purchases available.

### Is Debunk Hasbara free?

Debunk Hasbara is free to download, with in-app purchases available.

### Do Calculate84 or Debunk Hasbara have ads?

Calculate84 shows ads; Debunk Hasbara does not.

### Which is updated more often, Calculate84 or Debunk Hasbara?

Calculate84 ships an update fortnightly, and Debunk Hasbara every 2 weeks. Most recently, Calculate84 was updated on October 27, 2026 and Debunk Hasbara on October 21, 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.*