# SnapCal vs Deadline Backsolve

The clearest difference is review sentiment: Deadline Backsolve at 100% against SnapCal's 46%. Deadline Backsolve also leads on update cadence (weekly vs every 2 months). SnapCal's advantage is price (Free vs $0.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SnapCal is free to download; Deadline Backsolve costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SnapCal ships an update every 2 months, Deadline Backsolve weekly. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SnapCal | Deadline Backsolve |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/snapcal-for-google-calendar/id922433670/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 46.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asteria Corporation](https://appshunter.io/developer/316535048) | [Daisuke Yamaguchi](https://appshunter.io/developer/880950899) |

## What reviewers say

### SnapCal

[App page](https://appshunter.io/ios/app/snapcal-for-google-calendar/id922433670)

This calendar application offers beautiful, customizable views for daily, weekly, and monthly event planning. It seamlessly integrates with Google Calendar and Tasks, consolidating your schedule into one intuitive interface. Navigate your events with an innovative fan-inspired UI.

**Highlights:** Beautiful calendar views (portrait/landscape), Day, week, month layouts, Google Calendar integration, Google Tasks integration, Fan UI for navigation

**Features:** Vision Pro support

**In-app purchases:** none


### Deadline Backsolve

[App page](https://appshunter.io/ios/app/deadline-backsolve-planner/id6796252958)

This app helps you adjust project plans when deadlines are at risk. It calculates the shortfall and suggests concrete adjustments like extending deadlines or reducing scope. The interface is currently in Japanese only.

**Highlights:** Calculates shortfall and suggests fixes, Adjusts plans based on available time, Learns user's real work pace, Offers recovery plan options, Focus timer that survives crashes, Offline functionality, JSON export/import for data transfer

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

**In-app purchases:** none


## Frequently asked questions

### Is SnapCal free?

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

### Is Deadline Backsolve free?

Deadline Backsolve costs $0.99, with no in-app purchases.

### Do SnapCal or Deadline Backsolve have ads?

Neither SnapCal nor Deadline Backsolve shows ads.

### Which is updated more often, SnapCal or Deadline Backsolve?

SnapCal ships an update every 2 months, and Deadline Backsolve weekly. Most recently, SnapCal was updated on October 9, 2026 and Deadline Backsolve 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.*