# ACalc vs SplitFlap

The clearest difference is price: ACalc at Free against SplitFlap's $1.99. ACalc also leads on rating (4.3 vs 1.9) and ratings volume (82 vs 8). SplitFlap's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment, device support and iOS requirement there is nothing between them.

ACalc is free to download; SplitFlap costs $1.99 up front. ACalc sells 1 one-off in-app purchase. SplitFlap asks for nothing beyond the download.

ACalc holds the better App Store score, 4.3 against 1.9. That said, the two scores are not equally well evidenced: ACalc has 82 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 20% of ACalc's written reviews are positive against 22% of SplitFlap's, so the app with the better star average is not the one people write more warmly about.

ACalc ships an update every 6 months, SplitFlap weekly. Both last shipped on October 14, 2026.

## The numbers

| Metric | ACalc | SplitFlap |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (82 ratings)](https://appshunter.io/ios/app/acalc-scientific-calculator/id957798727/reviews)** | [1.9 (8 ratings)](https://appshunter.io/ios/app/splitflap/id1502598345/reviews) |
| Number of ratings | **82** | 8 |
| Positive reviews | 19.5% of reviews | **22.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 10 MB | 37 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Netviking AB](https://appshunter.io/developer/425652251) | [Rico Obrist](https://appshunter.io/developer/1222506874) |

## What reviewers say

### ACalc

[App page](https://appshunter.io/ios/app/acalc-scientific-calculator/id957798727)

A straightforward scientific calculator with large, easy-to-use buttons and a clear display. It handles basic arithmetic and advanced functions like trigonometry and exponentials, with memory storage capabilities.

**Highlights:** Basic arithmetic operations, Trigonometric functions, Hyperbolic functions, Exponential functions, Memory storage (STO/ALPHA), Large buttons and display

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Removal | $0.99 | one-time |


### SplitFlap

[App page](https://appshunter.io/ios/app/splitflap/id1502598345)

This application simulates the function of a split-flap display board. It individually controls each of the 132 flaps to create a realistic scrolling effect. The app aims to eventually control a physical split-flap board.

**Highlights:** Simulates split-flap display function, Controls 132 individual flaps, Realistic scrolling effect, Uses separate threads for each flap, Future control of physical boards

**In-app purchases:** none


## Frequently asked questions

### Is ACalc free?

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

### Is SplitFlap free?

SplitFlap costs $1.99, with no in-app purchases.

### Which has better reviews, ACalc or SplitFlap?

ACalc is rated higher. ACalc averages 4.3 out of 5 from 82 ratings, while SplitFlap averages 1.9 from 8 ratings.

### Do ACalc or SplitFlap have ads?

ACalc shows ads; SplitFlap does not.

### Which is updated more often, ACalc or SplitFlap?

ACalc ships an update every 6 months, and SplitFlap weekly. Most recently, ACalc was updated on October 14, 2026 and SplitFlap on October 14, 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.*