# Arithmos vs Counter #

The clearest difference is in-app purchases: Counter # at none against Arithmos's 1. Counter # also leads on update cadence (every 2 days vs every 4 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Arithmos sells 1 one-off in-app purchase. Counter # asks for nothing beyond the download.

Arithmos ships an update every 4 months, Counter # every 2 days. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Arithmos | Counter # |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arithmos-tally-counter/id6757173468/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 40 MB | 14 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aiofeffect LLC](https://appshunter.io/developer/1833105894) | [Yuri Costa Casadei](https://appshunter.io/developer/1842602285) |

## What reviewers say

### Arithmos

[App page](https://appshunter.io/ios/app/arithmos-tally-counter/id6757173468)

This utility app allows users to easily track counts with a simple tap interface and satisfying haptic feedback. Create unlimited, customizable counters for various purposes, all without ads or subscriptions. It works offline and offers data backup.

**Highlights:** Tap anywhere to count, Satisfying haptic feedback, Unlimited custom counters, Works offline, Data export/import backup, Custom step values

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arithmos Lifetime | $0.99 | one-time |


### Counter #

[App page](https://appshunter.io/ios/app/counter/id6777526060)

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

**In-app purchases:** none


## Frequently asked questions

### Is Arithmos free?

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

### Is Counter # free?

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

### Do Arithmos or Counter # have ads?

Neither Arithmos nor Counter # shows ads.

### Which is updated more often, Arithmos or Counter #?

Arithmos ships an update every 4 months, and Counter # every 2 days. Most recently, Arithmos was updated on October 16, 2026 and Counter # on October 4, 2026.

---

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