# Study100on100 vs Micro

The clearest difference is in-app purchases: Study100on100 at none against Micro's 5. Micro's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Micro sells 5 in-app purchases, starting at $12.99 per month. Study100on100 asks for nothing beyond the download.

Study100on100 ships an update every 6 days, Micro every 5 days. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Study100on100 | Micro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 5 days** |
| Size | 56 MB | 155 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ISolvX](https://appshunter.io/developer/1836852840) | [Dalan, Luigi](https://appshunter.io/developer/1836245651) |

## What reviewers say

### Study100on100

[App page](https://appshunter.io/ios/app/study100on100/id6751793640)

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

**In-app purchases:** none


### Micro

[App page](https://appshunter.io/ios/app/micro-learn-and-remember/id6755906544)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus - Monthly | $12.99 | per month |
| Pro - Monthly | $17.99 | per month |
| Plus - Annual | $89.00 | per year |
| Pro - Annual | $129.00 | per year |
| Ultra - Monthly | $229.00 | per month |


## Frequently asked questions

### Is Study100on100 free?

Study100on100 is free to download, with no in-app purchases.

### Is Micro free?

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

### Do Study100on100 or Micro have ads?

Neither Study100on100 nor Micro shows ads.

### Which is updated more often, Study100on100 or Micro?

Study100on100 ships an update every 6 days, and Micro every 5 days. Most recently, Study100on100 was updated on September 14, 2026 and Micro on September 17, 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.*