Dog Repeller LITE vs SignSync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dog Repeller LITE
Deter aggressive dogs using a high-frequency ultrasonic sound undetectable by humans. Ideal for cyclists, walkers, and joggers, this app provides a safe way to protect yourself from stray or vicious animals without causing them harm. Features adjustable frequency for optimal effectiveness.
- Ultrasonic sound emission
- Adjustable frequency
- Human-inaudible sound
- Dog deterrence
- Personal safety tool
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This is a free version of the popular Dog Repeller-App with adds! Protect yourself from dangerous dogs while cycling or walking or jogging with the ultrasonic Dog Repeller. It produces a high frequency sound that the human ear can not detect yet it is able to deter vicious dogs without harming them. A must-have for every mailman! Now with adjustable frequency __________________________________ For best results use an iPhone 4 or newest generation iPod and set system volume to maximum
SignSync
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Detect American Sign Language (ASL)
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Verdict
The clearest difference is ads: SignSync at none against Dog Repeller LITE's shown. SignSync also leads on update cadence (every 11 days vs every 4 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
Dog Repeller LITE ships an update every 4 months, SignSync every 11 days. The most recent releases landed on September 23, 2026 and May 17, 2026 respectively.
| Parameter | Dog Repeller LITE | SignSync |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (11 ratings) — better | — |
| Positive reviews | 21.3% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 4 months | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | TiAu Engineering UG haftungsbeschraenkt | Coding Minds, Inc. |
In-app purchases
Dog Repeller LITE
No in-app purchases
SignSync
No in-app purchases
Questions
Is Dog Repeller LITE free?
Is SignSync free?
Do Dog Repeller LITE or SignSync have ads?
Which is updated more often, Dog Repeller LITE or SignSync?
Other comparisons
