# Tonica vs StringView

The clearest difference is price: Tonica at Free against StringView's $2.99. StringView's advantage is iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Tonica is free to download; StringView costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tonica ships an update every 10 days, StringView every 3 weeks. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Tonica | StringView |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 9 MB | 5 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHINICHI GOTO](https://appshunter.io/developer/957096131) | [Robin Dupuy](https://appshunter.io/developer/1875474748) |

## What reviewers say

### Tonica

[App page](https://appshunter.io/ios/app/tonica-harmonic-training/id1003005644)

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

**In-app purchases:** none


### StringView

[App page](https://appshunter.io/ios/app/stringview/id6758876210)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tonica free?

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

### Is StringView free?

StringView costs $2.99, with no in-app purchases.

### Do Tonica or StringView have ads?

Neither Tonica nor StringView shows ads.

### Which is updated more often, Tonica or StringView?

Tonica ships an update every 10 days, and StringView every 3 weeks. Most recently, Tonica was updated on September 9, 2026 and StringView on September 21, 2026.

---

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