# Soroban66 vs Chip Simulator

The clearest difference is review sentiment: Soroban66 at 100% against Chip Simulator's 38%. Soroban66 also leads on update cadence (every 3 weeks vs every 3 months). Chip Simulator's advantage is price ($0.99 vs $3.99) and iOS requirement (11.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Soroban66 costs $3.99 and Chip Simulator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Soroban66 ships an update every 3 weeks, Chip Simulator every 3 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Soroban66 | Chip Simulator |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | — | **[1.0 (7 ratings)](https://appshunter.io/ios/app/chip-simulator/id1665510956/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | **100.0% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Paid | Paid |
| Size | 29 MB | 70 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masashi Fujishiro](https://appshunter.io/developer/1619460749) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### Soroban66

[App page](https://appshunter.io/ios/app/soroban66/id1661734047)

Practice multiplication, division, and addition with customizable difficulty. Includes dictation exercises and a flash anzan mode for rapid calculation. Offers personalized routines and timed challenges.

**Highlights:** Multiplication and division practice, Customizable addition exercises, Number dictation for sums, Flash Anzan rapid calculation, Personalized routine creation, Timed challenges

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

**In-app purchases:** none


### Chip Simulator

[App page](https://appshunter.io/ios/app/chip-simulator/id1665510956)

Design and test digital logic circuits with this intuitive simulator. It's a great tool for students and hobbyists to learn and experiment with chip design and basic digital logic in real-time.

**Highlights:** Intuitive user interface, Design digital logic circuits, Test and debug chips, Real-time simulation, Learn digital logic basics, Experiment with circuit configurations

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

**In-app purchases:** none


## Frequently asked questions

### Is Soroban66 free?

Soroban66 costs $3.99, with no in-app purchases.

### Is Chip Simulator free?

Chip Simulator costs $0.99, with no in-app purchases.

### Do Soroban66 or Chip Simulator have ads?

Neither Soroban66 nor Chip Simulator shows ads.

### Which is updated more often, Soroban66 or Chip Simulator?

Soroban66 ships an update every 3 weeks, and Chip Simulator every 3 months. Most recently, Soroban66 was updated on October 12, 2026 and Chip Simulator on October 11, 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.*