# Calc vs MDB

The clearest difference is price: Calc at Free against MDB's $3.99. Calc also leads on rating (5.0 vs 3.0). MDB's advantage is iOS requirement (13.0 vs 18.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Calc is free to download; MDB costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calc holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Calc ships an update every 2 weeks, MDB every 3 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Calc | MDB |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calc-u-59/id6761413142/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/mdb-viewer/id6790263073/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Paid |
| Size | 9 MB | 22 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Erzberger](https://appshunter.io/developer/1889469770) | [久燕 王](https://appshunter.io/developer/1896551289) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc-u-59/id6761413142)

This app emulates the classic TI-59, TI-58, and TI-58C calculators with cycle-accurate precision. It includes virtual magnetic cards, a printer, software modules, and a CPU-level debugger for in-depth analysis. Bring your old programs back to life or explore the inner workings of these vintage machines.

**Highlights:** Cycle-accurate TI-59, TI-58, TI-58C emulation, Virtual magnetic card reader/writer, PC-100C printer emulation, CPU-level debugger, Solid State Software module support, iCloud syncing for state files

**Features:** iPhone Duo support

**In-app purchases:** none


### MDB

[App page](https://appshunter.io/ios/app/mdb-viewer/id6790263073)

Access and view Microsoft Access database files directly on your iPhone. Browse tables, inspect data, and export it to CSV format without needing a desktop application. Ideal for field work and quick data access.

**Highlights:** Open .mdb and .accdb files, Browse table names, Preview row data, Export rows to CSV, No ads or subscriptions

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

**In-app purchases:** none


## Frequently asked questions

### Is Calc free?

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

### Is MDB free?

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

### Which has better reviews, Calc or MDB?

Calc is rated higher. Calc averages 5.0 out of 5 from 2 ratings, while MDB averages 3.0 from 1 ratings.

### Do Calc or MDB have ads?

Neither Calc nor MDB shows ads.

### Which is updated more often, Calc or MDB?

Calc ships an update every 2 weeks, and MDB every 3 weeks. Most recently, Calc was updated on November 5, 2026 and MDB on November 5, 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.*