# Osiyo vs Prism

The clearest difference is in-app purchases: Osiyo at none against Prism's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Prism sells 2 in-app purchases, starting at $4.99 per month. Osiyo asks for nothing beyond the download.

Osiyo ships an update weekly, Prism every 10 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Osiyo | Prism |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 40 MB | 31 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Natija Sari LLC](https://appshunter.io/developer/1651801424) | [ON TIK CHAN](https://appshunter.io/developer/1864345044) |

## What reviewers say

### Osiyo

[App page](https://appshunter.io/ios/app/osiyo/id6452471042)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prism

[App page](https://appshunter.io/ios/app/prism-google-sheets-budget/id6757287712)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Plus Monthly | $4.99 | per month |
| Prism Plus Yearly | $39.99 | per year |


## Frequently asked questions

### Is Osiyo free?

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

### Is Prism free?

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

### Do Osiyo or Prism have ads?

Neither Osiyo nor Prism shows ads.

### Which is updated more often, Osiyo or Prism?

Osiyo ships an update weekly, and Prism every 10 days. Most recently, Osiyo was updated on November 7, 2026 and Prism on November 5, 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.*