# QRコードリーダーEQS vs CalcHistory

The clearest difference is update cadence: QRコードリーダーEQS at every 2 months against CalcHistory's every 15 months. QRコードリーダーEQS also leads on iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QRコードリーダーEQS ships an update every 2 months, CalcHistory every 15 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | QRコードリーダーEQS | CalcHistory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/calchistory/id1231325032/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 70.6% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | — | Ad-supported |
| Size | 12 MB | 6 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EQS Inc.](https://appshunter.io/developer/536813902) | [sky-nexus Inc.](https://appshunter.io/developer/512522554) |

## What reviewers say

### QRコードリーダーEQS

[App page](https://appshunter.io/ios/app/qreqs/id873068070)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcHistory

[App page](https://appshunter.io/ios/app/calchistory/id1231325032)

This calculator app performs calculations in the order you input them, like a standard calculator. It allows you to save calculation results and view the input process, making it easy to spot errors. It also offers a function calculator mode for more complex operations.

**Highlights:** Input order calculation, Save calculation results, View input process, Function calculator mode, Error spotting

**In-app purchases:** none


## Frequently asked questions

### Is QRコードリーダーEQS free?

QRコードリーダーEQS is free to download, with no in-app purchases.

### Is CalcHistory free?

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

### Do QRコードリーダーEQS or CalcHistory have ads?

Both QRコードリーダーEQS and CalcHistory show ads.

### Which is updated more often, QRコードリーダーEQS or CalcHistory?

QRコードリーダーEQS ships an update every 2 months, and CalcHistory every 15 months. Most recently, QRコードリーダーEQS was updated on October 10, 2026 and CalcHistory on October 11, 2026.

---

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