# StudentCalc vs 555 Timer & Oscillators Guide

The clearest difference is price: 555 Timer & Oscillators Guide at Free against StudentCalc's $1.99. 555 Timer & Oscillators Guide also leads on iOS requirement (16.0 vs 26.0). StudentCalc's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

555 Timer & Oscillators Guide is free to download; StudentCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StudentCalc ships an update every 4 months, 555 Timer & Oscillators Guide every 5 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StudentCalc | 555 Timer & Oscillators Guide |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/studentcalc/id466330694/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | — |
| Size | 16 MB | 24 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hannes Sverrisson](https://appshunter.io/developer/428851947) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### StudentCalc

[App page](https://appshunter.io/ios/app/studentcalc/id466330694)

A scientific calculator designed for ease of use on mobile devices. It offers large, uncluttered buttons and intuitive gesture-based access to functions, eliminating the need for complex key combinations. Customize your experience with background options and enjoy extended accuracy for precise calculations.

**Highlights:** Gesture-based function access, Large, uncluttered buttons, Backspace correction key, Copy and paste functionality, Customizable background and display, Extended accuracy calculations

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

**In-app purchases:** none


### 555 Timer & Oscillators Guide

[App page](https://appshunter.io/ios/app/555-timer-and-oscillators-guide/id6504487994)

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

**In-app purchases:** none


## Frequently asked questions

### Is StudentCalc free?

StudentCalc costs $1.99, with no in-app purchases.

### Is 555 Timer & Oscillators Guide free?

555 Timer & Oscillators Guide is free to download, with no in-app purchases.

### Do StudentCalc or 555 Timer & Oscillators Guide have ads?

555 Timer & Oscillators Guide shows ads; StudentCalc does not.

### Which is updated more often, StudentCalc or 555 Timer & Oscillators Guide?

StudentCalc ships an update every 4 months, and 555 Timer & Oscillators Guide every 5 months. Most recently, StudentCalc was updated on October 6, 2026 and 555 Timer & Oscillators Guide on October 12, 2026.

---

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