Presometer vs TapInk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Presometer
Monitor the US President's approval and disapproval ratings with a clean, up-to-date widget. Data is sourced from public information and presented like a stock ticker for easy tracking.
- Track approval ratings
- Track disapproval ratings
- Widget functionality
- Data from public sources
- Clean interface
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Track the President's Approval Like a Stock Ticker Presometer lets you follow the US President's approval and disapproval ratings over time, powered by public data from Nate Silver. Clean, up-to-date, available in an app or a convenient widget
TapInk
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TapInk turns your iPhone into a simple writer for Waveshare NFC-powered e-paper displays. Design crisp black-and-white labels, choose icons or QR codes, add styled text and borders, save reusable layouts, or send photos with dithering. When you’re ready, hold your iPhone near the display and TapInk transfers the image over NFC. Features: - Create custom e-paper labels - Add icons, photos, QR codes, text, and borders - Save and reuse label designs - Preview black-and-white output before sending - Choose plain or dithered rendering - Supports multiple Waveshare NFC e-paper display sizes - Clear transfer progress while writing over NFC TapInk is built for NFC-powered e-paper displays that draw power from your iPhone during transfer. No battery on the display side required.
Screenshots
Verdict
Presometer and TapInk are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Presometer | TapInk |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.4 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | John Kneeland | Caleb Jones |
In-app purchases
Presometer
No in-app purchases
TapInk
No in-app purchases









