# O vs DifferSheet

The clearest difference is in-app purchases: O at none against DifferSheet's 9. O also leads on iOS requirement (12.1 vs 14.0). DifferSheet's advantage is update cadence (every 5 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. DifferSheet sells 9 one-off in-app purchases. O asks for nothing beyond the download.

O ships an update every 5 months, DifferSheet every 5 weeks. The most recent releases landed on September 17, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | O | DifferSheet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Size | 9 MB | 37 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [teerapat supamitsatian](https://appshunter.io/developer/1504648563) | [Thakornkrid Thanatharapokin](https://appshunter.io/developer/1622203193) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-plus-online/id1504677992)

**Features:** macOS Compatibility

**In-app purchases:** none


### DifferSheet

[App page](https://appshunter.io/ios/app/differsheet/id1633300617)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| สตาร์เจม 30 ดวง | $0.99 | one-time |
| สตาร์เจม 95 ดวง | $2.99 | one-time |
| Stargem 230 ดวง | $5.99 | one-time |
| สตาร์เจม 539 ดวง | $12.99 | one-time |
| สตาร์เจม 689 ดวง | $16.99 | one-time |
| สตาร์เจม 779 ดวง | $18.99 | one-time |
| สตาร์เจม 1049 ดวง | $24.99 | one-time |
| สตาร์เจม 919 ดวง | $24.99 | one-time |
| stargem_1299 | $26.99 | one-time |


## Frequently asked questions

### Is O free?

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

### Is DifferSheet free?

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

### Do O or DifferSheet have ads?

Neither O nor DifferSheet shows ads.

### Which is updated more often, O or DifferSheet?

O ships an update every 5 months, and DifferSheet every 5 weeks. Most recently, O was updated on September 17, 2026 and DifferSheet on September 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.*