# SIDO vs SmallButBig

The clearest difference is update cadence: SmallButBig at every 3 days against SIDO's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SIDO sells 2 in-app purchases, starting at $3.99 per month and SmallButBig sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

SIDO ships an update every 6 days, SmallButBig every 3 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SIDO | SmallButBig |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 129 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AEJIN SEO](https://appshunter.io/developer/1896585301) | [Junbeom Lim](https://appshunter.io/developer/6799930214) |

## What reviewers say

### SIDO

[App page](https://appshunter.io/ios/app/sido/id6768559309)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SIDO Pro 월간 | $3.99 | per month |
| SIDO Pro 연간 | $29.99 | per year |


### SmallButBig

[App page](https://appshunter.io/ios/app/smallbutbig-time-blocking/id6799930212)

This app transforms your to-do lists into a visual timeline, helping you focus on one task at a time. It allows for detailed planning, light tracking of actual time spent, and provides honest records of your efforts, even when plans change.

**Highlights:** One task at a time scheduling, Three-stage planning (Someday, Date, Date & Time), Lightweight time tracking, Honest record of actual time spent, Flexible task splitting and merging, Project management with Gantt charts, Habit tracking and pooled tasks

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $7.99 | per month |
| Basic Yearly | $47.99 | per year |
| Lifetime Access | $191.99 | one-time |


## Frequently asked questions

### Is SIDO free?

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

### Is SmallButBig free?

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

### Do SIDO or SmallButBig have ads?

Neither SIDO nor SmallButBig shows ads.

### Which is updated more often, SIDO or SmallButBig?

SIDO ships an update every 6 days, and SmallButBig every 3 days. Most recently, SIDO was updated on October 12, 2026 and SmallButBig on October 25, 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.*