# NerdCalc vs Base64 Encoder Decoder

The clearest difference is review sentiment: NerdCalc at 85% against Base64 Encoder Decoder's 50%. NerdCalc also leads on ratings volume (183 vs 3). Base64 Encoder Decoder's advantage is update cadence (every 5 months vs every 19 months) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Base64 Encoder Decoder holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: NerdCalc has 183 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 85% of NerdCalc's written reviews are positive against 50% of Base64 Encoder Decoder's, so the app with the better star average is not the one people write more warmly about.

NerdCalc ships an update every 19 months, Base64 Encoder Decoder every 5 months. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | NerdCalc | Base64 Encoder Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/base64-encoder-decoder/id1612435358/reviews)** |
| Number of ratings | **183** | 3 |
| Positive reviews | **84.8% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 0 MB | 44 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### NerdCalc

[App page](https://appshunter.io/ios/app/nerdcalc/id432781819)

Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.

**Highlights:** Simultaneous base display, Switchable input modes, Unsigned and 2's complement support, Arithmetic operations, Logic operations, Bitwise shifting

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

**In-app purchases:** none


### Base64 Encoder Decoder

[App page](https://appshunter.io/ios/app/base64-encoder-decoder/id1612435358)

Easily convert text to and from the Base64 number system. This free utility allows you to encode or decode text quickly, with options to copy or download the results.

**Highlights:** Encode text to Base64, Decode Base64 to text, Upload files for conversion, Copy results, Download converted files, Clear text for new sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NerdCalc free?

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

### Is Base64 Encoder Decoder free?

Base64 Encoder Decoder is free to download, with no in-app purchases.

### Which has better reviews, NerdCalc or Base64 Encoder Decoder?

Base64 Encoder Decoder is rated higher. NerdCalc averages 4.8 out of 5 from 183 ratings, while Base64 Encoder Decoder averages 5.0 from 3 ratings.

### Do NerdCalc or Base64 Encoder Decoder have ads?

Neither NerdCalc nor Base64 Encoder Decoder shows ads.

### Which is updated more often, NerdCalc or Base64 Encoder Decoder?

NerdCalc ships an update every 19 months, and Base64 Encoder Decoder every 5 months. Most recently, NerdCalc was updated on October 19, 2026 and Base64 Encoder Decoder on October 13, 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.*