NerdCalc vs Base64 Encoder Decoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NerdCalc
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.
- Simultaneous base display
- Switchable input modes
- Unsigned and 2's complement support
- Arithmetic operations
- Logic operations
- Bitwise shifting
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NerdCalc is a binary, hexadecimal and decimal calculator that displays all three number bases at the same time. With NerdCalc, you can quickly switch which base you are inputting and the result of your calculations is always updated for all three bases, no matter what the current input mode. NerdCalc supports both unsigned and 2’s complement, to allow for negative numbers, and can perform basic arithmetic and logic operations as well as bitwise shifting. Enjoy!
Base64 Encoder Decoder
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.
- Encode text to Base64
- Decode Base64 to text
- Upload files for conversion
- Copy results
- Download converted files
- Clear text for new sessions
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You can convert any text in the Base 64 number system using our free and easy-to-use Base 64 encoder/decoder. A user can easily encode or decode a text in the 64 unique digits set, and this number system is represented by 6 bits. This Base 64 encoder/decoder is very simple to use and provides you with the results in a couple of seconds. After getting the results, you can download the file or copy the results. How to use this Base64 online app? To encode or decode the text, follow these steps. 1. Write something or upload a file. 2. Click on the “Encode or Decode” button. Note: For encoding the data, click on the Encode button, and to decode the data, press the Decode button. What’s new? Here are some additional features of our app. 1. Upload a file directly from your device and save your time. 2. You can start a new session just by clicking on the “Clear text” button. 3. After getting the results, there are two options; download or copy the text.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | NerdCalc | Base64 Encoder Decoder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (183 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 84.8% of reviews — better | 50.0% of reviews |
| Number of ratings | 183 — better | 3 |
| Update frequency | Every 19 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Nidal Fakhouri | Ahmad Sattar |
Customer experience
NerdCalc
Base64 Encoder Decoder
In-app purchases
NerdCalc
No in-app purchases
Base64 Encoder Decoder
No in-app purchases
Questions
Is NerdCalc free?
Is Base64 Encoder Decoder free?
Which has better reviews, NerdCalc or Base64 Encoder Decoder?
Do NerdCalc or Base64 Encoder Decoder have ads?
Which is updated more often, NerdCalc or Base64 Encoder Decoder?
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