# Saving Diary vs Roll Call · Teacher Assistant

The clearest difference is update cadence: Roll Call · Teacher Assistant at every 3 days against Saving Diary's every 2 weeks. Roll Call · Teacher Assistant also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Saving Diary sells 3 in-app purchases, starting at $0.29 per month and Roll Call · Teacher Assistant sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Saving Diary ships an update every 2 weeks, Roll Call · Teacher Assistant every 3 days. Both last shipped on September 12, 2026.

## The numbers

| Metric | Saving Diary | Roll Call · Teacher Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/saving-diary-simple-tracker/id6759098489/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 2 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [颖 杨](https://appshunter.io/developer/1872549512) | [申生 金](https://appshunter.io/developer/1527691180) |

## What reviewers say

### Saving Diary

[App page](https://appshunter.io/ios/app/saving-diary-simple-tracker/id6759098489)

This app helps you build a consistent saving habit with engaging challenges and visual progress tracking. It offers various saving plans, personalized themes, and an achievement system to make reaching financial goals fun and rewarding. All your data is stored locally for maximum privacy.

**Highlights:** Multiple saving plans, Visual progress tracking, Yearly overview grid, Personalized themes, Achievement system, Local data storage, Shareable achievement cards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.29 | per month |
| Yearly Pro (Best Value) | $1.99 | per year |
| Lifetime Pro | $3.99 | one-time |


### Roll Call · Teacher Assistant

[App page](https://appshunter.io/ios/app/roll-call-teacher-assistant/id6759387869)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁 | $9.99 | one-time |


## Frequently asked questions

### Is Saving Diary free?

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

### Is Roll Call · Teacher Assistant free?

Roll Call · Teacher Assistant is free to download, with in-app purchases available.

### Do Saving Diary or Roll Call · Teacher Assistant have ads?

Neither Saving Diary nor Roll Call · Teacher Assistant shows ads.

### Which is updated more often, Saving Diary or Roll Call · Teacher Assistant?

Saving Diary ships an update every 2 weeks, and Roll Call · Teacher Assistant every 3 days. Most recently, Saving Diary was updated on September 12, 2026 and Roll Call · Teacher Assistant on September 12, 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.*