# SmileTutor Assignments App vs Study Timer Study Rainbow

The clearest difference is in-app purchases: SmileTutor Assignments App at none against Study Timer Study Rainbow's 4. SmileTutor Assignments App also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.4). Study Timer Study Rainbow's advantage is update cadence (every 5 days vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Study Timer Study Rainbow sells 4 in-app purchases, starting at $0.49 per month. SmileTutor Assignments App asks for nothing beyond the download.

SmileTutor Assignments App ships an update every 5 weeks, Study Timer Study Rainbow every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SmileTutor Assignments App | Study Timer Study Rainbow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smiletutor-assignments-app/id1475407281/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 7 MB | 37 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SmileTutor Tuition Agency](https://appshunter.io/developer/1475407280) | [Toshiaki Nakamura](https://appshunter.io/developer/822485897) |

## What reviewers say

### SmileTutor Assignments App

[App page](https://appshunter.io/ios/app/smiletutor-assignments-app/id1475407281)

Tutors in Singapore can create a free account to access over 100 new tuition jobs daily. The app allows users to view, apply for, and track job applications, with push notifications for suitable assignments. Most jobs are confirmed on the same day.

**Highlights:** Free tutor account creation, Daily new assignment listings, Apply for tuition jobs, Track application status, Push notifications for jobs, Same-day job confirmation

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

**In-app purchases:** none


### Study Timer Study Rainbow

[App page](https://appshunter.io/ios/app/study-timer-study-rainbow/id6780163715)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Support Monthly | $0.49 | per month |
| Plus Monthly | $1.99 | per month |
| Student Support Yearly | $5.99 | per year |
| Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is SmileTutor Assignments App free?

SmileTutor Assignments App is free to download, with no in-app purchases.

### Is Study Timer Study Rainbow free?

Study Timer Study Rainbow is free to download, with in-app purchases available.

### Do SmileTutor Assignments App or Study Timer Study Rainbow have ads?

Neither SmileTutor Assignments App nor Study Timer Study Rainbow shows ads.

### Which is updated more often, SmileTutor Assignments App or Study Timer Study Rainbow?

SmileTutor Assignments App ships an update every 5 weeks, and Study Timer Study Rainbow every 5 days. Most recently, SmileTutor Assignments App was updated on October 24, 2026 and Study Timer Study Rainbow on October 6, 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.*