# picocalc vs Exam Study Timer

The clearest difference is ads: Exam Study Timer at none against picocalc's shown. Exam Study Timer also leads on update cadence (every 3 months vs every 16 months). picocalc's advantage is device support (4 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. picocalc sells 1 one-off in-app purchase and Exam Study Timer sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

picocalc ships an update every 16 months, Exam Study Timer every 3 months. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | picocalc | Exam Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/picocalc/id284740333/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 17 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### picocalc

[App page](https://appshunter.io/ios/app/picocalc/id284740333)

This app displays a single number on your home screen badge, which can be set, added to, or subtracted from. It's a minimalist tool for quick numerical reminders. Negative numbers and zero are not displayed on the badge.

**Highlights:** Set a number, Add to number, Subtract from number, Home screen badge display, Hides zero and negative numbers

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Exam Study Timer

[App page](https://appshunter.io/ios/app/exam-study-timer-white-noise/id6759962907)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $3.99 | per 7 days |
| Premium Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is picocalc free?

picocalc is free to download, with in-app purchases available.

### Is Exam Study Timer free?

Exam Study Timer is free to download, with in-app purchases available.

### Do picocalc or Exam Study Timer have ads?

picocalc shows ads; Exam Study Timer does not.

### Which is updated more often, picocalc or Exam Study Timer?

picocalc ships an update every 16 months, and Exam Study Timer every 3 months. Most recently, picocalc was updated on October 31, 2026 and Exam Study Timer on November 7, 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.*