Inflation Calculator vs DumbKeyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inflation Calculator
Easily determine the present-day value of past prices using up-to-date inflation data. This tool supports 22 international currencies and provides yearly updates, making it simple to understand historical cost comparisons.
- Calculate dollar value from 1800-2025
- Supports 22 international currencies
- Yearly inflation data updates
- Apple Watch companion app
- Simple and intuitive interface
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NEW: TIME MACHINE AND ASK - Time Machine: pick any year and see what everyday things cost, with charts of prices over time. - Ask: ask anything about money and the past, answered with real inflation data. - Share any result or chart with a friend. Ever see a price from the past and wonder how much that would cost today? With Inflation Calculator, the answer is just a tap away. Features include: - Calculate the value of the dollar over time from 1800 to 2026. - Support for 22 international currencies: - US Dollar - Euro - British Pound - Canadian Dollar - Australian Dollar - New Zealand Dollar - Japanese Yen - Swiss Franc - Chinese Yuan - Swedish Krona - Mexican Peso - Norwegian Krone - South Korean Won - Turkish Lira - Brazilian Real - South African Rand - Indian Rupee - Russian Ruble - Israeli Sheqel - Indonesian Rupiah - Saudi Arabian Riyal - Colombian Peso - Yearly updates with the latest inflation data. - Simple and intuitive. No ads or distracting popups. PREMIUM Premium adds charts for every price and as many Ask questions as you like. Choose a yearly subscription (new subscribers get a 7-day free trial) or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and you can manage or cancel them anytime in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dyoburon.com/inflation-calc-privacy-policy
DumbKeyboard
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Dumb Keyboard is a lightweight custom iOS keyboard focused on the basics: quick typing, clean layout, and no clutter. How to enable Open Settings > General > Keyboard > Keyboards Tap Add New Keyboard... Select Dumb Keyboard Tap Dumb Keyboard and enable Allow Full Access (required for haptics) Dumb Keyboard is built for people who want a straightforward keyboard experience.
Screenshots
Verdict
The clearest difference is in-app purchases: DumbKeyboard at none against Inflation Calculator's 4. DumbKeyboard also leads on update cadence (every 2 days vs every 3 months). Inflation Calculator's advantage is iOS requirement (16.0 vs 26.2). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Inflation Calculator sells 4 in-app purchases, starting at $7.49 per year. DumbKeyboard asks for nothing beyond the download.
Inflation Calculator ships an update every 3 months, DumbKeyboard every 2 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Inflation Calculator | DumbKeyboard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (3.6K ratings) — better | — |
| Positive reviews | 85.1% of reviews | — |
| Number of ratings | 3.6K — better | — |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Dylan Burton | Cassandra Sandquist |
Bugs and requests
Inflation Calculator
Reported bugs
2 issues- Not updated beyond 2024
- Caps out at 2020 for some countries
Requested features
4 requests- Update to 2025
- Add support for more currencies
- Improve design and usability
- Allow direct data input
DumbKeyboard
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Inflation Calculator
- Premium (yearly)$7.491 Year
- Premium (yearly)7 Days trial$14.991 Year
- Premium (lifetime)$14.99
- Premium (lifetime)$29.99
DumbKeyboard
No in-app purchases
Questions
Is Inflation Calculator free?
Is DumbKeyboard free?
Do Inflation Calculator or DumbKeyboard have ads?
Which is updated more often, Inflation Calculator or DumbKeyboard?
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